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-rw-r--r--arch/mips/Kconfig3
-rw-r--r--arch/mips/ar7/setup.c1
-rw-r--r--arch/mips/ath79/setup.c2
-rw-r--r--arch/mips/bcm63xx/dev-flash.c1
-rw-r--r--arch/mips/bmips/setup.c2
-rw-r--r--arch/mips/boot/dts/mscc/ocelot.dtsi5
-rw-r--r--arch/mips/boot/dts/qca/ar9331.dtsi26
-rw-r--r--arch/mips/boot/dts/qca/ar9331_dpt_module.dts8
-rw-r--r--arch/mips/boot/dts/ralink/mt7628a.dtsi148
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-pko.c2
-rw-r--r--arch/mips/configs/ar7_defconfig1
-rw-r--r--arch/mips/configs/ath25_defconfig1
-rw-r--r--arch/mips/configs/ath79_defconfig1
-rw-r--r--arch/mips/configs/bcm63xx_defconfig1
-rw-r--r--arch/mips/configs/bigsur_defconfig1
-rw-r--r--arch/mips/configs/bmips_be_defconfig1
-rw-r--r--arch/mips/configs/bmips_stb_defconfig1
-rw-r--r--arch/mips/configs/cavium_octeon_defconfig1
-rw-r--r--arch/mips/configs/ci20_defconfig1
-rw-r--r--arch/mips/configs/cobalt_defconfig1
-rw-r--r--arch/mips/configs/fuloong2e_defconfig1
-rw-r--r--arch/mips/configs/gpr_defconfig1
-rw-r--r--arch/mips/configs/ip27_defconfig1
-rw-r--r--arch/mips/configs/ip32_defconfig1
-rw-r--r--arch/mips/configs/lemote2f_defconfig2
-rw-r--r--arch/mips/configs/loongson1b_defconfig1
-rw-r--r--arch/mips/configs/loongson1c_defconfig1
-rw-r--r--arch/mips/configs/loongson3_defconfig1
-rw-r--r--arch/mips/configs/malta_defconfig2
-rw-r--r--arch/mips/configs/malta_kvm_defconfig2
-rw-r--r--arch/mips/configs/malta_kvm_guest_defconfig2
-rw-r--r--arch/mips/configs/malta_qemu_32r6_defconfig1
-rw-r--r--arch/mips/configs/maltaaprp_defconfig1
-rw-r--r--arch/mips/configs/maltasmvp_defconfig1
-rw-r--r--arch/mips/configs/maltasmvp_eva_defconfig1
-rw-r--r--arch/mips/configs/maltaup_defconfig1
-rw-r--r--arch/mips/configs/maltaup_xpa_defconfig2
-rw-r--r--arch/mips/configs/mips_paravirt_defconfig1
-rw-r--r--arch/mips/configs/omega2p_defconfig1
-rw-r--r--arch/mips/configs/pistachio_defconfig1
-rw-r--r--arch/mips/configs/pnx8335_stb225_defconfig1
-rw-r--r--arch/mips/configs/qi_lb60_defconfig2
-rw-r--r--arch/mips/configs/rb532_defconfig2
-rw-r--r--arch/mips/configs/rt305x_defconfig1
-rw-r--r--arch/mips/configs/sb1250_swarm_defconfig1
-rw-r--r--arch/mips/configs/tb0219_defconfig1
-rw-r--r--arch/mips/configs/tb0226_defconfig1
-rw-r--r--arch/mips/configs/tb0287_defconfig1
-rw-r--r--arch/mips/configs/vocore2_defconfig1
-rw-r--r--arch/mips/configs/xway_defconfig1
-rw-r--r--arch/mips/include/asm/atomic.h22
-rw-r--r--arch/mips/include/asm/cpu.h125
-rw-r--r--arch/mips/include/asm/io.h13
-rw-r--r--arch/mips/include/asm/kprobes.h1
-rw-r--r--arch/mips/include/asm/mach-jz4740/clock.h22
-rw-r--r--arch/mips/include/asm/mach-ralink/pinmux.h1
-rw-r--r--arch/mips/include/asm/page.h3
-rw-r--r--arch/mips/include/asm/pgalloc.h33
-rw-r--r--arch/mips/include/asm/pgtable.h3
-rw-r--r--arch/mips/include/asm/ptrace.h5
-rw-r--r--arch/mips/include/asm/switch_to.h4
-rw-r--r--arch/mips/include/asm/syscall.h6
-rw-r--r--arch/mips/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/jazz/jazzdma.c6
-rw-r--r--arch/mips/jz4740/board-qi_lb60.c18
-rw-r--r--arch/mips/jz4740/platform.c2
-rw-r--r--arch/mips/jz4740/pm.c8
-rw-r--r--arch/mips/jz4740/time.c3
-rw-r--r--arch/mips/kernel/branch.c18
-rw-r--r--arch/mips/kernel/ftrace.c23
-rw-r--r--arch/mips/kernel/kprobes.c4
-rw-r--r--arch/mips/kernel/mips-mt-fpaff.c2
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c30
-rw-r--r--arch/mips/kernel/signal.c8
-rw-r--r--arch/mips/kernel/signal_n32.c4
-rw-r--r--arch/mips/kernel/signal_o32.c8
-rw-r--r--arch/mips/kernel/syscalls/syscall_n32.tbl2
-rw-r--r--arch/mips/kernel/syscalls/syscall_n64.tbl2
-rw-r--r--arch/mips/kernel/syscalls/syscall_o32.tbl2
-rw-r--r--arch/mips/kernel/traps.c56
-rw-r--r--arch/mips/kernel/unaligned.c20
-rw-r--r--arch/mips/kvm/mips.c4
-rw-r--r--arch/mips/lantiq/irq.c177
-rw-r--r--arch/mips/mm/Makefile1
-rw-r--r--arch/mips/mm/cache.c2
-rw-r--r--arch/mips/mm/dma-noncoherent.c26
-rw-r--r--arch/mips/mm/fault.c4
-rw-r--r--arch/mips/mm/gup.c303
-rw-r--r--arch/mips/sgi-ip22/ip22-berr.c2
-rw-r--r--arch/mips/sgi-ip22/ip28-berr.c2
-rw-r--r--arch/mips/sgi-ip27/ip27-berr.c2
-rw-r--r--arch/mips/sgi-ip32/ip32-berr.c2
92 files changed, 534 insertions, 692 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 70d3200476bf..d50fafd7bf3a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -34,6 +34,7 @@ config MIPS
select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL
+ select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
select HANDLE_DOMAIN_IRQ
select HAVE_ARCH_COMPILER_H
select HAVE_ARCH_JUMP_LABEL
@@ -52,6 +53,7 @@ config MIPS
select HAVE_DMA_CONTIGUOUS
select HAVE_DYNAMIC_FTRACE
select HAVE_EXIT_THREAD
+ select HAVE_FAST_GUP
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
@@ -1119,6 +1121,7 @@ config DMA_NONCOHERENT
bool
select ARCH_HAS_DMA_MMAP_PGPROT
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+ select ARCH_HAS_UNCACHED_SEGMENT
select NEED_DMA_MAP_STATE
select ARCH_HAS_DMA_COHERENT_TO_PFN
select DMA_NONCOHERENT_CACHE_SYNC
diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c
index ba32825ae58a..b3ffe7c898eb 100644
--- a/arch/mips/ar7/setup.c
+++ b/arch/mips/ar7/setup.c
@@ -57,6 +57,7 @@ const char *get_system_type(void)
case TITAN_CHIP_1060:
return "TI AR7 (TNETV1060)";
}
+ /* fall through */
default:
return "TI AR7 (unknown)";
}
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index f22538cae0ab..ea385a865781 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -153,7 +153,7 @@ static void __init ath79_detect_sys_type(void)
case REV_ID_MAJOR_QCA9533_V2:
ver = 2;
ath79_soc_rev = 2;
- /* drop through */
+ /* fall through */
case REV_ID_MAJOR_QCA9533:
ath79_soc = ATH79_SOC_QCA9533;
diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c
index 172dd8397178..a1093934c616 100644
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -94,6 +94,7 @@ static int __init bcm63xx_detect_flash_type(void)
case STRAPBUS_6368_BOOT_SEL_PARALLEL:
return BCM63XX_FLASH_TYPE_PARALLEL;
}
+ /* fall through */
default:
return -EINVAL;
}
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 1738a06396f9..2f81a94c71a6 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -162,7 +162,7 @@ void __init plat_mem_setup(void)
ioport_resource.start = 0;
ioport_resource.end = ~0;
- /* intended to somewhat resemble ARM; see Documentation/arm/Booting */
+ /* intended to somewhat resemble ARM; see Documentation/arm/booting.rst */
if (fw_arg0 == 0 && fw_arg1 == 0xffffffff)
dtb = phys_to_virt(fw_arg2);
else if (fw_passed_dtb) /* UHI interface or appended dtb */
diff --git a/arch/mips/boot/dts/mscc/ocelot.dtsi b/arch/mips/boot/dts/mscc/ocelot.dtsi
index 90c60d42f571..33ae74aaa1bb 100644
--- a/arch/mips/boot/dts/mscc/ocelot.dtsi
+++ b/arch/mips/boot/dts/mscc/ocelot.dtsi
@@ -132,11 +132,12 @@
<0x1270000 0x100>,
<0x1280000 0x100>,
<0x1800000 0x80000>,
- <0x1880000 0x10000>;
+ <0x1880000 0x10000>,
+ <0x1060000 0x10000>;
reg-names = "sys", "rew", "qs", "port0", "port1",
"port2", "port3", "port4", "port5", "port6",
"port7", "port8", "port9", "port10", "qsys",
- "ana";
+ "ana", "s2";
interrupts = <21 22>;
interrupt-names = "xtr", "inj";
diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
index 2bae201aa365..63a9f33aa43e 100644
--- a/arch/mips/boot/dts/qca/ar9331.dtsi
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -116,6 +116,32 @@
};
};
+ eth0: ethernet@19000000 {
+ compatible = "qca,ar9330-eth";
+ reg = <0x19000000 0x200>;
+ interrupts = <4>;
+
+ resets = <&rst 9>, <&rst 22>;
+ reset-names = "mac", "mdio";
+ clocks = <&pll ATH79_CLK_AHB>, <&pll ATH79_CLK_AHB>;
+ clock-names = "eth", "mdio";
+
+ status = "disabled";
+ };
+
+ eth1: ethernet@1a000000 {
+ compatible = "qca,ar9330-eth";
+ reg = <0x1a000000 0x200>;
+ interrupts = <5>;
+
+ resets = <&rst 13>, <&rst 23>;
+ reset-names = "mac", "mdio";
+ clocks = <&pll ATH79_CLK_AHB>, <&pll ATH79_CLK_AHB>;
+ clock-names = "eth", "mdio";
+
+ status = "disabled";
+ };
+
usb: usb@1b000100 {
compatible = "chipidea,usb2";
reg = <0x1b000000 0x200>;
diff --git a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
index e7af2cf5f4c1..77bab823eb3b 100644
--- a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
+++ b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
@@ -76,3 +76,11 @@
reg = <0>;
};
};
+
+&eth0 {
+ status = "okay";
+};
+
+&eth1 {
+ status = "okay";
+};
diff --git a/arch/mips/boot/dts/ralink/mt7628a.dtsi b/arch/mips/boot/dts/ralink/mt7628a.dtsi
index 9ff7e8faaecc..61f8621e88b3 100644
--- a/arch/mips/boot/dts/ralink/mt7628a.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7628a.dtsi
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0
+
/ {
#address-cells = <1>;
#size-cells = <1>;
@@ -36,7 +38,113 @@
sysc: system-controller@0 {
compatible = "ralink,mt7620a-sysc", "syscon";
- reg = <0x0 0x100>;
+ reg = <0x0 0x60>;
+ };
+
+ pinmux: pinmux@60 {
+ compatible = "pinctrl-single";
+ reg = <0x60 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #pinctrl-cells = <2>;
+ pinctrl-single,bit-per-mux;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0x1>;
+
+ pinmux_gpio_gpio: pinmux_gpio_gpio {
+ pinctrl-single,bits = <0x0 0x0 0x3>;
+ };
+
+ pinmux_spi_cs1_cs: pinmux_spi_cs1_cs {
+ pinctrl-single,bits = <0x0 0x0 0x30>;
+ };
+
+ pinmux_i2s_gpio: pinmux_i2s_gpio {
+ pinctrl-single,bits = <0x0 0x40 0xc0>;
+ };
+
+ pinmux_uart0_uart: pinmux_uart0_uart0 {
+ pinctrl-single,bits = <0x0 0x0 0x300>;
+ };
+
+ pinmux_sdmode_sdxc: pinmux_sdmode_sdxc {
+ pinctrl-single,bits = <0x0 0x0 0xc00>;
+ };
+
+ pinmux_sdmode_gpio: pinmux_sdmode_gpio {
+ pinctrl-single,bits = <0x0 0x400 0xc00>;
+ };
+
+ pinmux_spi_spi: pinmux_spi_spi {
+ pinctrl-single,bits = <0x0 0x0 0x1000>;
+ };
+
+ pinmux_refclk_gpio: pinmux_refclk_gpio {
+ pinctrl-single,bits = <0x0 0x40000 0x40000>;
+ };
+
+ pinmux_i2c_i2c: pinmux_i2c_i2c {
+ pinctrl-single,bits = <0x0 0x0 0x300000>;
+ };
+
+ pinmux_uart1_uart: pinmux_uart1_uart1 {
+ pinctrl-single,bits = <0x0 0x0 0x3000000>;
+ };
+
+ pinmux_uart2_uart: pinmux_uart2_uart {
+ pinctrl-single,bits = <0x0 0x0 0xc000000>;
+ };
+
+ pinmux_pwm0_pwm: pinmux_pwm0_pwm {
+ pinctrl-single,bits = <0x0 0x0 0x30000000>;
+ };
+
+ pinmux_pwm0_gpio: pinmux_pwm0_gpio {
+ pinctrl-single,bits = <0x0 0x10000000
+ 0x30000000>;
+ };
+
+ pinmux_pwm1_pwm: pinmux_pwm1_pwm {
+ pinctrl-single,bits = <0x0 0x0 0xc0000000>;
+ };
+
+ pinmux_pwm1_gpio: pinmux_pwm1_gpio {
+ pinctrl-single,bits = <0x0 0x40000000
+ 0xc0000000>;
+ };
+
+ pinmux_p0led_an_gpio: pinmux_p0led_an_gpio {
+ pinctrl-single,bits = <0x4 0x4 0xc>;
+ };
+
+ pinmux_p1led_an_gpio: pinmux_p1led_an_gpio {
+ pinctrl-single,bits = <0x4 0x10 0x30>;
+ };
+
+ pinmux_p2led_an_gpio: pinmux_p2led_an_gpio {
+ pinctrl-single,bits = <0x4 0x40 0xc0>;
+ };
+
+ pinmux_p3led_an_gpio: pinmux_p3led_an_gpio {
+ pinctrl-single,bits = <0x4 0x100 0x300>;
+ };
+
+ pinmux_p4led_an_gpio: pinmux_p4led_an_gpio {
+ pinctrl-single,bits = <0x4 0x400 0xc00>;
+ };
+ };
+
+ watchdog: watchdog@100 {
+ compatible = "mediatek,mt7621-wdt";
+ reg = <0x100 0x30>;
+
+ resets = <&resetc 8>;
+ reset-names = "wdt";
+
+ interrupt-parent = <&intc>;
+ interrupts = <24>;
+
+ status = "disabled";
};
intc: interrupt-controller@200 {
@@ -62,10 +170,42 @@
reg = <0x300 0x100>;
};
+ gpio: gpio@600 {
+ compatible = "mediatek,mt7621-gpio";
+ reg = <0x600 0x100>;
+
+ gpio-controller;
+ interrupt-controller;
+ #gpio-cells = <2>;
+ #interrupt-cells = <2>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <6>;
+ };
+
+ spi: spi@b00 {
+ compatible = "ralink,mt7621-spi";
+ reg = <0xb00 0x100>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinmux_spi_spi>;
+
+ resets = <&resetc 18>;
+ reset-names = "spi";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+ };
+
uart0: uartlite@c00 {
compatible = "ns16550a";
reg = <0xc00 0x100>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinmux_uart0_uart>;
+
resets = <&resetc 12>;
reset-names = "uart0";
@@ -79,6 +219,9 @@
compatible = "ns16550a";
reg = <0xd00 0x100>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinmux_uart1_uart>;
+
resets = <&resetc 19>;
reset-names = "uart1";
@@ -92,6 +235,9 @@
compatible = "ns16550a";
reg = <0xe00 0x100>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinmux_uart2_uart>;
+
resets = <&resetc 20>;
reset-names = "uart2";
diff --git a/arch/mips/cavium-octeon/executive/cvmx-pko.c b/arch/mips/cavium-octeon/executive/cvmx-pko.c
index 676fab50dd2b..b077597c668a 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-pko.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-pko.c
@@ -485,11 +485,11 @@ cvmx_pko_status_t cvmx_pko_config_port(uint64_t port, uint64_t base_queue,
config.s.qos_mask = 0xff;
break;
case CVMX_PKO_QUEUE_STATIC_PRIORITY:
- /* Pass 1 will fall through to the error case */
if (!cvmx_octeon_is_pass1()) {
config.s.qos_mask = 0xff;
break;
}
+ /* fall through - to the error case, when Pass 1 */
default:
cvmx_dprintf("ERROR: cvmx_pko_config_port: Invalid "
"priority %llu\n",
diff --git a/arch/mips/configs/ar7_defconfig b/arch/mips/configs/ar7_defconfig
index c83fdf649327..cef2754bd408 100644
--- a/arch/mips/configs/ar7_defconfig
+++ b/arch/mips/configs/ar7_defconfig
@@ -71,7 +71,6 @@ CONFIG_NET_ACT_POLICE=y
CONFIG_HAMRADIO=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
diff --git a/arch/mips/configs/ath25_defconfig b/arch/mips/configs/ath25_defconfig
index 5dd6b1939e9c..c35add2fd716 100644
--- a/arch/mips/configs/ath25_defconfig
+++ b/arch/mips/configs/ath25_defconfig
@@ -37,7 +37,6 @@ CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_DEBUGFS=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_REDBOOT_PARTS=y
CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-2
diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig
index 6f981af67826..4ffc59cab436 100644
--- a/arch/mips/configs/ath79_defconfig
+++ b/arch/mips/configs/ath79_defconfig
@@ -37,7 +37,6 @@ CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_DEBUGFS=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_REDBOOT_PARTS=y
CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-2
diff --git a/arch/mips/configs/bcm63xx_defconfig b/arch/mips/configs/bcm63xx_defconfig
index d22fe62adad3..54e2f9a659fb 100644
--- a/arch/mips/configs/bcm63xx_defconfig
+++ b/arch/mips/configs/bcm63xx_defconfig
@@ -34,7 +34,6 @@ CONFIG_INET=y
CONFIG_CFG80211=y
CONFIG_NL80211_TESTMODE=y
CONFIG_MAC80211=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_MTD=y
diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
index 597bc0aa2653..66566026409d 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -99,7 +99,6 @@ CONFIG_BPQETHER=m
CONFIG_BAYCOM_SER_FDX=m
CONFIG_BAYCOM_SER_HDX=m
CONFIG_YAM=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
diff --git a/arch/mips/configs/bmips_be_defconfig b/arch/mips/configs/bmips_be_defconfig
index 8a91f0101134..f669a40e085b 100644
--- a/arch/mips/configs/bmips_be_defconfig
+++ b/arch/mips/configs/bmips_be_defconfig
@@ -26,7 +26,6 @@ CONFIG_INET=y
CONFIG_CFG80211=y
CONFIG_NL80211_TESTMODE=y
CONFIG_MAC80211=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/mips/configs/bmips_stb_defconfig b/arch/mips/configs/bmips_stb_defconfig
index 39adcca46bb0..a0b775893dba 100644
--- a/arch/mips/configs/bmips_stb_defconfig
+++ b/arch/mips/configs/bmips_stb_defconfig
@@ -35,7 +35,6 @@ CONFIG_INET=y
CONFIG_CFG80211=y
CONFIG_NL80211_TESTMODE=y
CONFIG_MAC80211=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/mips/configs/cavium_octeon_defconfig b/arch/mips/configs/cavium_octeon_defconfig
index d7abb648b8a0..b6695367aa33 100644
--- a/arch/mips/configs/cavium_octeon_defconfig
+++ b/arch/mips/configs/cavium_octeon_defconfig
@@ -42,7 +42,6 @@ CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FW_LOADER is not set
CONFIG_MTD=y
diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig
index 50bebce28500..cb4aa23a2bf4 100644
--- a/arch/mips/configs/ci20_defconfig
+++ b/arch/mips/configs/ci20_defconfig
@@ -44,7 +44,6 @@ CONFIG_IP_PNP_DHCP=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FW_LOADER is not set
# CONFIG_ALLOW_DEV_COREDUMP is not set
diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig
index 20c62841827f..c6a652ad34f7 100644
--- a/arch/mips/configs/cobalt_defconfig
+++ b/arch/mips/configs/cobalt_defconfig
@@ -14,7 +14,6 @@ CONFIG_NET_KEY=y
CONFIG_NET_KEY_MIGRATE=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_CFI_AMDSTD=y
diff --git a/arch/mips/configs/fuloong2e_defconfig b/arch/mips/configs/fuloong2e_defconfig
index 8bcb61a6ec15..7a7af706e898 100644
--- a/arch/mips/configs/fuloong2e_defconfig
+++ b/arch/mips/configs/fuloong2e_defconfig
@@ -83,7 +83,6 @@ CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_PHONET=m
CONFIG_NET_9P=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_MTD=m
CONFIG_MTD_BLOCK=m
diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig
index 9d9af5f923c3..9085f4d6c698 100644
--- a/arch/mips/configs/gpr_defconfig
+++ b/arch/mips/configs/gpr_defconfig
@@ -249,7 +249,6 @@ CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SSB=m
CONFIG_SSB_DRIVER_PCICORE=y
# CONFIG_VGA_ARB is not set
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_GENERIC is not set
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 54db5dedf776..82d942a6026e 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -91,7 +91,6 @@ CONFIG_NET_ACT_SKBEDIT=m
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_RFKILL=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_CDROM_PKTCDVD=m
diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index 8f6d8af2e3c0..572cab91670c 100644
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -42,7 +42,6 @@ CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_TUNNEL=m
CONFIG_NETWORK_SECMARK=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_CONNECTOR=y
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
diff --git a/arch/mips/configs/lemote2f_defconfig b/arch/mips/configs/lemote2f_defconfig
index 300127b0f5b7..d44f1469cf64 100644
--- a/arch/mips/configs/lemote2f_defconfig
+++ b/arch/mips/configs/lemote2f_defconfig
@@ -77,7 +77,6 @@ CONFIG_MAC80211=m
CONFIG_MAC80211_LEDS=y
CONFIG_RFKILL=m
CONFIG_RFKILL_INPUT=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_RAM=y
@@ -144,7 +143,6 @@ CONFIG_FB_TILEBLITTING=y
CONFIG_FB_SIS=y
CONFIG_FB_SIS_300=y
CONFIG_FB_SIS_315=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=m
diff --git a/arch/mips/configs/loongson1b_defconfig b/arch/mips/configs/loongson1b_defconfig
index 3d390a7494d6..25e70423e17d 100644
--- a/arch/mips/configs/loongson1b_defconfig
+++ b/arch/mips/configs/loongson1b_defconfig
@@ -34,7 +34,6 @@ CONFIG_SYN_COOKIES=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/mips/configs/loongson1c_defconfig b/arch/mips/configs/loongson1c_defconfig
index 247d56e94c0a..3a158d4d2fab 100644
--- a/arch/mips/configs/loongson1c_defconfig
+++ b/arch/mips/configs/loongson1c_defconfig
@@ -35,7 +35,6 @@ CONFIG_SYN_COOKIES=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
index 1322adb705c8..90ee0084d786 100644
--- a/arch/mips/configs/loongson3_defconfig
+++ b/arch/mips/configs/loongson3_defconfig
@@ -97,7 +97,6 @@ CONFIG_CFG80211_WEXT=y
CONFIG_MAC80211=m
CONFIG_RFKILL=m
CONFIG_RFKILL_INPUT=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_MTD=m
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 0ee5e677662e..59eedf55419d 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -210,12 +210,10 @@ CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
-CONFIG_NET_CLS_IND=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_CONNECTOR=m
CONFIG_MTD=y
diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig
index 041bffac043b..8ef612552a19 100644
--- a/arch/mips/configs/malta_kvm_defconfig
+++ b/arch/mips/configs/malta_kvm_defconfig
@@ -215,12 +215,10 @@ CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
-CONFIG_NET_CLS_IND=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_CONNECTOR=m
CONFIG_MTD=y
diff --git a/arch/mips/configs/malta_kvm_guest_defconfig b/arch/mips/configs/malta_kvm_guest_defconfig
index 511065e62182..d2a008c9907c 100644
--- a/arch/mips/configs/malta_kvm_guest_defconfig
+++ b/arch/mips/configs/malta_kvm_guest_defconfig
@@ -212,12 +212,10 @@ CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
-CONFIG_NET_CLS_IND=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_CONNECTOR=m
CONFIG_MTD=y
diff --git a/arch/mips/configs/malta_qemu_32r6_defconfig b/arch/mips/configs/malta_qemu_32r6_defconfig
index 299088043164..e6c600dc1814 100644
--- a/arch/mips/configs/malta_qemu_32r6_defconfig
+++ b/arch/mips/configs/malta_qemu_32r6_defconfig
@@ -74,7 +74,6 @@ CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
-CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig
index 2b4b3a24f637..82b44b774553 100644
--- a/arch/mips/configs/maltaaprp_defconfig
+++ b/arch/mips/configs/maltaaprp_defconfig
@@ -76,7 +76,6 @@ CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
-CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig
index 425ddfd7cd78..4190fc6189a0 100644
--- a/arch/mips/configs/maltasmvp_defconfig
+++ b/arch/mips/configs/maltasmvp_defconfig
@@ -77,7 +77,6 @@ CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
-CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig
index 8beaa7ba1e52..a13c10e910ec 100644
--- a/arch/mips/configs/maltasmvp_eva_defconfig
+++ b/arch/mips/configs/maltasmvp_eva_defconfig
@@ -78,7 +78,6 @@ CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
-CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig
index 6e8b95ceb54a..b35f1fc690fb 100644
--- a/arch/mips/configs/maltaup_defconfig
+++ b/arch/mips/configs/maltaup_defconfig
@@ -75,7 +75,6 @@ CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
-CONFIG_NET_CLS_IND=y
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
CONFIG_BLK_DEV_LOOP=y
diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig
index 6c026db96ff9..970df6d42728 100644
--- a/arch/mips/configs/maltaup_xpa_defconfig
+++ b/arch/mips/configs/maltaup_xpa_defconfig
@@ -212,12 +212,10 @@ CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
-CONFIG_NET_CLS_IND=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_MESH=y
CONFIG_RFKILL=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_CONNECTOR=m
diff --git a/arch/mips/configs/mips_paravirt_defconfig b/arch/mips/configs/mips_paravirt_defconfig
index 8dc5d96a08de..5599cde97030 100644
--- a/arch/mips/configs/mips_paravirt_defconfig
+++ b/arch/mips/configs/mips_paravirt_defconfig
@@ -39,7 +39,6 @@ CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_FW_LOADER is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_VIRTIO_BLK=y
diff --git a/arch/mips/configs/omega2p_defconfig b/arch/mips/configs/omega2p_defconfig
index 0649b8f06b7c..a39426e57e91 100644
--- a/arch/mips/configs/omega2p_defconfig
+++ b/arch/mips/configs/omega2p_defconfig
@@ -42,7 +42,6 @@ CONFIG_INET=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FW_LOADER is not set
# CONFIG_ALLOW_DEV_COREDUMP is not set
diff --git a/arch/mips/configs/pistachio_defconfig b/arch/mips/configs/pistachio_defconfig
index 2f08d071ada6..24e07180c57d 100644
--- a/arch/mips/configs/pistachio_defconfig
+++ b/arch/mips/configs/pistachio_defconfig
@@ -214,7 +214,6 @@ CONFIG_IR_IMG_RC6=y
CONFIG_MEDIA_SUPPORT=y
CONFIG_FB=y
CONFIG_FB_MODE_HELPERS=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_SOUND=y
diff --git a/arch/mips/configs/pnx8335_stb225_defconfig b/arch/mips/configs/pnx8335_stb225_defconfig
index aa0b169800e0..738ba3b1374b 100644
--- a/arch/mips/configs/pnx8335_stb225_defconfig
+++ b/arch/mips/configs/pnx8335_stb225_defconfig
@@ -25,7 +25,6 @@ CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_INET_AH=y
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/mips/configs/qi_lb60_defconfig b/arch/mips/configs/qi_lb60_defconfig
index 1a0677d04982..208da8a55f48 100644
--- a/arch/mips/configs/qi_lb60_defconfig
+++ b/arch/mips/configs/qi_lb60_defconfig
@@ -41,7 +41,6 @@ CONFIG_TCP_CONG_ADVANCED=y
CONFIG_TCP_CONG_WESTWOOD=y
# CONFIG_TCP_CONG_HTCP is not set
# CONFIG_IPV6 is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_RAW_NAND=y
@@ -77,7 +76,6 @@ CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_FB=y
CONFIG_FB_JZ4740=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
# CONFIG_VGA_CONSOLE is not set
diff --git a/arch/mips/configs/rb532_defconfig b/arch/mips/configs/rb532_defconfig
index 50632a3103dd..5b947183852b 100644
--- a/arch/mips/configs/rb532_defconfig
+++ b/arch/mips/configs/rb532_defconfig
@@ -103,9 +103,7 @@ CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=m
CONFIG_NET_ACT_IPT=m
CONFIG_NET_ACT_PEDIT=m
-CONFIG_NET_CLS_IND=y
CONFIG_HAMRADIO=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_BLOCK2MTD=y
diff --git a/arch/mips/configs/rt305x_defconfig b/arch/mips/configs/rt305x_defconfig
index 0392e38010e6..110948bc6b39 100644
--- a/arch/mips/configs/rt305x_defconfig
+++ b/arch/mips/configs/rt305x_defconfig
@@ -69,7 +69,6 @@ CONFIG_BRIDGE=y
CONFIG_VLAN_8021Q=y
CONFIG_NET_SCHED=y
CONFIG_HAMRADIO=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/mips/configs/sb1250_swarm_defconfig b/arch/mips/configs/sb1250_swarm_defconfig
index ad8981666ee4..6883ea4477d4 100644
--- a/arch/mips/configs/sb1250_swarm_defconfig
+++ b/arch/mips/configs/sb1250_swarm_defconfig
@@ -43,7 +43,6 @@ CONFIG_NETWORK_SECMARK=y
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_RFKILL=m
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_FW_LOADER=m
CONFIG_CONNECTOR=m
CONFIG_BLK_DEV_RAM=y
diff --git a/arch/mips/configs/tb0219_defconfig b/arch/mips/configs/tb0219_defconfig
index f0a11a72307e..6547f84750b5 100644
--- a/arch/mips/configs/tb0219_defconfig
+++ b/arch/mips/configs/tb0219_defconfig
@@ -28,7 +28,6 @@ CONFIG_SYN_COOKIES=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
CONFIG_NETWORK_SECMARK=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig
index 025e45656359..7e099f7c2286 100644
--- a/arch/mips/configs/tb0226_defconfig
+++ b/arch/mips/configs/tb0226_defconfig
@@ -26,7 +26,6 @@ CONFIG_SYN_COOKIES=y
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
CONFIG_NETWORK_SECMARK=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
diff --git a/arch/mips/configs/tb0287_defconfig b/arch/mips/configs/tb0287_defconfig
index 68490248e3f1..0d881dd862c0 100644
--- a/arch/mips/configs/tb0287_defconfig
+++ b/arch/mips/configs/tb0287_defconfig
@@ -30,7 +30,6 @@ CONFIG_TCP_CONG_BIC=y
CONFIG_TCP_CONG_CUBIC=m
# CONFIG_IPV6 is not set
CONFIG_NETWORK_SECMARK=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
diff --git a/arch/mips/configs/vocore2_defconfig b/arch/mips/configs/vocore2_defconfig
index ded3dce911d5..523b944fd527 100644
--- a/arch/mips/configs/vocore2_defconfig
+++ b/arch/mips/configs/vocore2_defconfig
@@ -42,7 +42,6 @@ CONFIG_INET=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FW_LOADER is not set
# CONFIG_ALLOW_DEV_COREDUMP is not set
diff --git a/arch/mips/configs/xway_defconfig b/arch/mips/configs/xway_defconfig
index 203db83c3ee9..49b5ea6eff62 100644
--- a/arch/mips/configs/xway_defconfig
+++ b/arch/mips/configs/xway_defconfig
@@ -71,7 +71,6 @@ CONFIG_BRIDGE=y
CONFIG_VLAN_8021Q=y
CONFIG_NET_SCHED=y
CONFIG_HAMRADIO=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 94096299fc56..9a82dd11c0e9 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -254,10 +254,10 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
#define atomic64_set(v, i) WRITE_ONCE((v)->counter, (i))
#define ATOMIC64_OP(op, c_op, asm_op) \
-static __inline__ void atomic64_##op(long i, atomic64_t * v) \
+static __inline__ void atomic64_##op(s64 i, atomic64_t * v) \
{ \
if (kernel_uses_llsc) { \
- long temp; \
+ s64 temp; \
\
loongson_llsc_mb(); \
__asm__ __volatile__( \
@@ -280,12 +280,12 @@ static __inline__ void atomic64_##op(long i, atomic64_t * v) \
}
#define ATOMIC64_OP_RETURN(op, c_op, asm_op) \
-static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \
+static __inline__ s64 atomic64_##op##_return_relaxed(s64 i, atomic64_t * v) \
{ \
- long result; \
+ s64 result; \
\
if (kernel_uses_llsc) { \
- long temp; \
+ s64 temp; \
\
loongson_llsc_mb(); \
__asm__ __volatile__( \
@@ -314,12 +314,12 @@ static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \
}
#define ATOMIC64_FETCH_OP(op, c_op, asm_op) \
-static __inline__ long atomic64_fetch_##op##_relaxed(long i, atomic64_t * v) \
+static __inline__ s64 atomic64_fetch_##op##_relaxed(s64 i, atomic64_t * v) \
{ \
- long result; \
+ s64 result; \
\
if (kernel_uses_llsc) { \
- long temp; \
+ s64 temp; \
\
loongson_llsc_mb(); \
__asm__ __volatile__( \
@@ -386,14 +386,14 @@ ATOMIC64_OPS(xor, ^=, xor)
* Atomically test @v and subtract @i if @v is greater or equal than @i.
* The function returns the old value of @v minus @i.
*/
-static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
+static __inline__ s64 atomic64_sub_if_positive(s64 i, atomic64_t * v)
{
- long result;
+ s64 result;
smp_mb__before_llsc();
if (kernel_uses_llsc) {
- long temp;
+ s64 temp;
__asm__ __volatile__(
" .set push \n"
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 6ad7d3cabd91..290369fa44a4 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -9,6 +9,8 @@
#ifndef _ASM_CPU_H
#define _ASM_CPU_H
+#include <linux/bits.h>
+
/*
As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0
register 15, select 0) is defined in this (backwards compatible) way:
@@ -353,76 +355,69 @@ enum cpu_type_enum {
MIPS_CPU_ISA_M64R6)
/*
- * Private version of BIT_ULL() to escape include file recursion hell.
- * We soon will have to switch to another mechanism that will work with
- * more than 64 bits anyway.
- */
-#define MBIT_ULL(bit) (1ULL << (bit))
-
-/*
* CPU Option encodings
*/
-#define MIPS_CPU_TLB MBIT_ULL( 0) /* CPU has TLB */
-#define MIPS_CPU_4KEX MBIT_ULL( 1) /* "R4K" exception model */
-#define MIPS_CPU_3K_CACHE MBIT_ULL( 2) /* R3000-style caches */
-#define MIPS_CPU_4K_CACHE MBIT_ULL( 3) /* R4000-style caches */
-#define MIPS_CPU_TX39_CACHE MBIT_ULL( 4) /* TX3900-style caches */
-#define MIPS_CPU_FPU MBIT_ULL( 5) /* CPU has FPU */
-#define MIPS_CPU_32FPR MBIT_ULL( 6) /* 32 dbl. prec. FP registers */
-#define MIPS_CPU_COUNTER MBIT_ULL( 7) /* Cycle count/compare */
-#define MIPS_CPU_WATCH MBIT_ULL( 8) /* watchpoint registers */
-#define MIPS_CPU_DIVEC MBIT_ULL( 9) /* dedicated interrupt vector */
-#define MIPS_CPU_VCE MBIT_ULL(10) /* virt. coherence conflict possible */
-#define MIPS_CPU_CACHE_CDEX_P MBIT_ULL(11) /* Create_Dirty_Exclusive CACHE op */
-#define MIPS_CPU_CACHE_CDEX_S MBIT_ULL(12) /* ... same for seconary cache ... */
-#define MIPS_CPU_MCHECK MBIT_ULL(13) /* Machine check exception */
-#define MIPS_CPU_EJTAG MBIT_ULL(14) /* EJTAG exception */
-#define MIPS_CPU_NOFPUEX MBIT_ULL(15) /* no FPU exception */
-#define MIPS_CPU_LLSC MBIT_ULL(16) /* CPU has ll/sc instructions */
-#define MIPS_CPU_INCLUSIVE_CACHES MBIT_ULL(17) /* P-cache subset enforced */
-#define MIPS_CPU_PREFETCH MBIT_ULL(18) /* CPU has usable prefetch */
-#define MIPS_CPU_VINT MBIT_ULL(19) /* CPU supports MIPSR2 vectored interrupts */
-#define MIPS_CPU_VEIC MBIT_ULL(20) /* CPU supports MIPSR2 external interrupt controller mode */
-#define MIPS_CPU_ULRI MBIT_ULL(21) /* CPU has ULRI feature */
-#define MIPS_CPU_PCI MBIT_ULL(22) /* CPU has Perf Ctr Int indicator */
-#define MIPS_CPU_RIXI MBIT_ULL(23) /* CPU has TLB Read/eXec Inhibit */
-#define MIPS_CPU_MICROMIPS MBIT_ULL(24) /* CPU has microMIPS capability */
-#define MIPS_CPU_TLBINV MBIT_ULL(25) /* CPU supports TLBINV/F */
-#define MIPS_CPU_SEGMENTS MBIT_ULL(26) /* CPU supports Segmentation Control registers */
-#define MIPS_CPU_EVA MBIT_ULL(27) /* CPU supports Enhanced Virtual Addressing */
-#define MIPS_CPU_HTW MBIT_ULL(28) /* CPU support Hardware Page Table Walker */
-#define MIPS_CPU_RIXIEX MBIT_ULL(29) /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
-#define MIPS_CPU_MAAR MBIT_ULL(30) /* MAAR(I) registers are present */
-#define MIPS_CPU_FRE MBIT_ULL(31) /* FRE & UFE bits implemented */
-#define MIPS_CPU_RW_LLB MBIT_ULL(32) /* LLADDR/LLB writes are allowed */
-#define MIPS_CPU_LPA MBIT_ULL(33) /* CPU supports Large Physical Addressing */
-#define MIPS_CPU_CDMM MBIT_ULL(34) /* CPU has Common Device Memory Map */
-#define MIPS_CPU_BP_GHIST MBIT_ULL(35) /* R12K+ Branch Prediction Global History */
-#define MIPS_CPU_SP MBIT_ULL(36) /* Small (1KB) page support */
-#define MIPS_CPU_FTLB MBIT_ULL(37) /* CPU has Fixed-page-size TLB */
-#define MIPS_CPU_NAN_LEGACY MBIT_ULL(38) /* Legacy NaN implemented */
-#define MIPS_CPU_NAN_2008 MBIT_ULL(39) /* 2008 NaN implemented */
-#define MIPS_CPU_VP MBIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */
-#define MIPS_CPU_LDPTE MBIT_ULL(41) /* CPU has ldpte/lddir instructions */
-#define MIPS_CPU_MVH MBIT_ULL(42) /* CPU supports MFHC0/MTHC0 */
-#define MIPS_CPU_EBASE_WG MBIT_ULL(43) /* CPU has EBase.WG */
-#define MIPS_CPU_BADINSTR MBIT_ULL(44) /* CPU has BadInstr register */
-#define MIPS_CPU_BADINSTRP MBIT_ULL(45) /* CPU has BadInstrP register */
-#define MIPS_CPU_CTXTC MBIT_ULL(46) /* CPU has [X]ConfigContext registers */
-#define MIPS_CPU_PERF MBIT_ULL(47) /* CPU has MIPS performance counters */
-#define MIPS_CPU_GUESTCTL0EXT MBIT_ULL(48) /* CPU has VZ GuestCtl0Ext register */
-#define MIPS_CPU_GUESTCTL1 MBIT_ULL(49) /* CPU has VZ GuestCtl1 register */
-#define MIPS_CPU_GUESTCTL2 MBIT_ULL(50) /* CPU has VZ GuestCtl2 register */
-#define MIPS_CPU_GUESTID MBIT_ULL(51) /* CPU uses VZ ASE GuestID feature */
-#define MIPS_CPU_DRG MBIT_ULL(52) /* CPU has VZ Direct Root to Guest (DRG) */
-#define MIPS_CPU_UFR MBIT_ULL(53) /* CPU supports User mode FR switching */
+#define MIPS_CPU_TLB BIT_ULL( 0) /* CPU has TLB */
+#define MIPS_CPU_4KEX BIT_ULL( 1) /* "R4K" exception model */
+#define MIPS_CPU_3K_CACHE BIT_ULL( 2) /* R3000-style caches */
+#define MIPS_CPU_4K_CACHE BIT_ULL( 3) /* R4000-style caches */
+#define MIPS_CPU_TX39_CACHE BIT_ULL( 4) /* TX3900-style caches */
+#define MIPS_CPU_FPU BIT_ULL( 5) /* CPU has FPU */
+#define MIPS_CPU_32FPR BIT_ULL( 6) /* 32 dbl. prec. FP registers */
+#define MIPS_CPU_COUNTER BIT_ULL( 7) /* Cycle count/compare */
+#define MIPS_CPU_WATCH BIT_ULL( 8) /* watchpoint registers */
+#define MIPS_CPU_DIVEC BIT_ULL( 9) /* dedicated interrupt vector */
+#define MIPS_CPU_VCE BIT_ULL(10) /* virt. coherence conflict possible */
+#define MIPS_CPU_CACHE_CDEX_P BIT_ULL(11) /* Create_Dirty_Exclusive CACHE op */
+#define MIPS_CPU_CACHE_CDEX_S BIT_ULL(12) /* ... same for seconary cache ... */
+#define MIPS_CPU_MCHECK BIT_ULL(13) /* Machine check exception */
+#define MIPS_CPU_EJTAG BIT_ULL(14) /* EJTAG exception */
+#define MIPS_CPU_NOFPUEX BIT_ULL(15) /* no FPU exception */
+#define MIPS_CPU_LLSC BIT_ULL(16) /* CPU has ll/sc instructions */
+#define MIPS_CPU_INCLUSIVE_CACHES BIT_ULL(17) /* P-cache subset enforced */
+#define MIPS_CPU_PREFETCH BIT_ULL(18) /* CPU has usable prefetch */
+#define MIPS_CPU_VINT BIT_ULL(19) /* CPU supports MIPSR2 vectored interrupts */
+#define MIPS_CPU_VEIC BIT_ULL(20) /* CPU supports MIPSR2 external interrupt controller mode */
+#define MIPS_CPU_ULRI BIT_ULL(21) /* CPU has ULRI feature */
+#define MIPS_CPU_PCI BIT_ULL(22) /* CPU has Perf Ctr Int indicator */
+#define MIPS_CPU_RIXI BIT_ULL(23) /* CPU has TLB Read/eXec Inhibit */
+#define MIPS_CPU_MICROMIPS BIT_ULL(24) /* CPU has microMIPS capability */
+#define MIPS_CPU_TLBINV BIT_ULL(25) /* CPU supports TLBINV/F */
+#define MIPS_CPU_SEGMENTS BIT_ULL(26) /* CPU supports Segmentation Control registers */
+#define MIPS_CPU_EVA BIT_ULL(27) /* CPU supports Enhanced Virtual Addressing */
+#define MIPS_CPU_HTW BIT_ULL(28) /* CPU support Hardware Page Table Walker */
+#define MIPS_CPU_RIXIEX BIT_ULL(29) /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
+#define MIPS_CPU_MAAR BIT_ULL(30) /* MAAR(I) registers are present */
+#define MIPS_CPU_FRE BIT_ULL(31) /* FRE & UFE bits implemented */
+#define MIPS_CPU_RW_LLB BIT_ULL(32) /* LLADDR/LLB writes are allowed */
+#define MIPS_CPU_LPA BIT_ULL(33) /* CPU supports Large Physical Addressing */
+#define MIPS_CPU_CDMM BIT_ULL(34) /* CPU has Common Device Memory Map */
+#define MIPS_CPU_BP_GHIST BIT_ULL(35) /* R12K+ Branch Prediction Global History */
+#define MIPS_CPU_SP BIT_ULL(36) /* Small (1KB) page support */
+#define MIPS_CPU_FTLB BIT_ULL(37) /* CPU has Fixed-page-size TLB */
+#define MIPS_CPU_NAN_LEGACY BIT_ULL(38) /* Legacy NaN implemented */
+#define MIPS_CPU_NAN_2008 BIT_ULL(39) /* 2008 NaN implemented */
+#define MIPS_CPU_VP BIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */
+#define MIPS_CPU_LDPTE BIT_ULL(41) /* CPU has ldpte/lddir instructions */
+#define MIPS_CPU_MVH BIT_ULL(42) /* CPU supports MFHC0/MTHC0 */
+#define MIPS_CPU_EBASE_WG BIT_ULL(43) /* CPU has EBase.WG */
+#define MIPS_CPU_BADINSTR BIT_ULL(44) /* CPU has BadInstr register */
+#define MIPS_CPU_BADINSTRP BIT_ULL(45) /* CPU has BadInstrP register */
+#define MIPS_CPU_CTXTC BIT_ULL(46) /* CPU has [X]ConfigContext registers */
+#define MIPS_CPU_PERF BIT_ULL(47) /* CPU has MIPS performance counters */
+#define MIPS_CPU_GUESTCTL0EXT BIT_ULL(48) /* CPU has VZ GuestCtl0Ext register */
+#define MIPS_CPU_GUESTCTL1 BIT_ULL(49) /* CPU has VZ GuestCtl1 register */
+#define MIPS_CPU_GUESTCTL2 BIT_ULL(50) /* CPU has VZ GuestCtl2 register */
+#define MIPS_CPU_GUESTID BIT_ULL(51) /* CPU uses VZ ASE GuestID feature */
+#define MIPS_CPU_DRG BIT_ULL(52) /* CPU has VZ Direct Root to Guest (DRG) */
+#define MIPS_CPU_UFR BIT_ULL(53) /* CPU supports User mode FR switching */
#define MIPS_CPU_SHARED_FTLB_RAM \
- MBIT_ULL(54) /* CPU shares FTLB RAM with another */
+ BIT_ULL(54) /* CPU shares FTLB RAM with another */
#define MIPS_CPU_SHARED_FTLB_ENTRIES \
- MBIT_ULL(55) /* CPU shares FTLB entries with another */
+ BIT_ULL(55) /* CPU shares FTLB entries with another */
#define MIPS_CPU_MT_PER_TC_PERF_COUNTERS \
- MBIT_ULL(56) /* CPU has perf counters implemented per TC (MIPSMT ASE) */
-#define MIPS_CPU_MMID MBIT_ULL(57) /* CPU supports MemoryMapIDs */
+ BIT_ULL(56) /* CPU has perf counters implemented per TC (MIPSMT ASE) */
+#define MIPS_CPU_MMID BIT_ULL(57) /* CPU supports MemoryMapIDs */
/*
* CPU ASE encodings
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 29997e42480e..97a280640daf 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -149,8 +149,6 @@ static inline void *isa_bus_to_virt(unsigned long address)
return phys_to_virt(address);
}
-#define isa_page_to_bus page_to_phys
-
/*
* However PCI ones are not necessarily 1:1 and therefore these interfaces
* are forbidden in portable PCI drivers.
@@ -462,7 +460,12 @@ __BUILD_MEMORY_PFX(, bwlq, type, 0)
BUILDIO_MEM(b, u8)
BUILDIO_MEM(w, u16)
BUILDIO_MEM(l, u32)
+#ifdef CONFIG_64BIT
BUILDIO_MEM(q, u64)
+#else
+__BUILD_MEMORY_PFX(__raw_, q, u64, 0)
+__BUILD_MEMORY_PFX(__mem_, q, u64, 0)
+#endif
#define __BUILD_IOPORT_PFX(bus, bwlq, type) \
__BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0,) \
@@ -488,12 +491,16 @@ __BUILDIO(q, u64)
#define readb_relaxed __relaxed_readb
#define readw_relaxed __relaxed_readw
#define readl_relaxed __relaxed_readl
+#ifdef CONFIG_64BIT
#define readq_relaxed __relaxed_readq
+#endif
#define writeb_relaxed __relaxed_writeb
#define writew_relaxed __relaxed_writew
#define writel_relaxed __relaxed_writel
+#ifdef CONFIG_64BIT
#define writeq_relaxed __relaxed_writeq
+#endif
#define readb_be(addr) \
__raw_readb((__force unsigned *)(addr))
@@ -516,8 +523,10 @@ __BUILDIO(q, u64)
/*
* Some code tests for these symbols
*/
+#ifdef CONFIG_64BIT
#define readq readq
#define writeq writeq
+#endif
#define __BUILD_MEMORY_STRING(bwlq, type) \
\
diff --git a/arch/mips/include/asm/kprobes.h b/arch/mips/include/asm/kprobes.h
index 3cf8e4d5fa28..68b1e5d458cf 100644
--- a/arch/mips/include/asm/kprobes.h
+++ b/arch/mips/include/asm/kprobes.h
@@ -41,6 +41,7 @@ do { \
#define kretprobe_blacklist_size 0
void arch_remove_kprobe(struct kprobe *p);
+int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
/* Architecture specific copy of original instruction*/
struct arch_specific_insn {
diff --git a/arch/mips/include/asm/mach-jz4740/clock.h b/arch/mips/include/asm/mach-jz4740/clock.h
deleted file mode 100644
index 600d5051691a..000000000000
--- a/arch/mips/include/asm/mach-jz4740/clock.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- */
-
-#ifndef __ASM_JZ4740_CLOCK_H__
-#define __ASM_JZ4740_CLOCK_H__
-
-enum jz4740_wait_mode {
- JZ4740_WAIT_MODE_IDLE,
- JZ4740_WAIT_MODE_SLEEP,
-};
-
-void jz4740_clock_set_wait_mode(enum jz4740_wait_mode mode);
-
-void jz4740_clock_suspend(void);
-void jz4740_clock_resume(void);
-
-void jz4740_clock_udc_enable_auto_suspend(void);
-void jz4740_clock_udc_disable_auto_suspend(void);
-
-#endif
diff --git a/arch/mips/include/asm/mach-ralink/pinmux.h b/arch/mips/include/asm/mach-ralink/pinmux.h
index e54d4e1533b4..048309348be0 100644
--- a/arch/mips/include/asm/mach-ralink/pinmux.h
+++ b/arch/mips/include/asm/mach-ralink/pinmux.h
@@ -1,6 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- *
* Copyright (C) 2012 John Crispin <john@phrozen.org>
*/
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index a25643d258cb..0ba4ce6e2bf3 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -258,9 +258,6 @@ extern bool __virt_addr_valid(const volatile void *kaddr);
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#define UNCAC_ADDR(addr) (UNCAC_BASE + __pa(addr))
-#define CAC_ADDR(addr) ((unsigned long)__va((addr) - UNCAC_BASE))
-
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 27808d9461f4..aa16b85ddffc 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -13,6 +13,8 @@
#include <linux/mm.h>
#include <linux/sched.h>
+#include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */
+
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
pte_t *pte)
{
@@ -50,37 +52,6 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
free_pages((unsigned long)pgd, PGD_ORDER);
}
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
-{
- return (pte_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, PTE_ORDER);
-}
-
-static inline struct page *pte_alloc_one(struct mm_struct *mm)
-{
- struct page *pte;
-
- pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
- if (!pte)
- return NULL;
- clear_highpage(pte);
- if (!pgtable_page_ctor(pte)) {
- __free_page(pte);
- return NULL;
- }
- return pte;
-}
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
- free_pages((unsigned long)pte, PTE_ORDER);
-}
-
-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
-{
- pgtable_page_dtor(pte);
- __free_pages(pte, PTE_ORDER);
-}
-
#define __pte_free_tlb(tlb,pte,address) \
do { \
pgtable_page_dtor(pte); \
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 4ccb465ef3f2..7d27194e3b45 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -20,6 +20,7 @@
#include <asm/cmpxchg.h>
#include <asm/io.h>
#include <asm/pgtable-bits.h>
+#include <asm/cpu-features.h>
struct mm_struct;
struct vm_area_struct;
@@ -626,6 +627,8 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+#define gup_fast_permitted(start, end) (!cpu_has_dc_aliases)
+
#include <asm-generic/pgtable.h>
/*
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index b6578611dddb..1e76774b36dd 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -56,11 +56,6 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
return regs->regs[31];
}
-/*
- * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
- * sense on MIPS. We rather want an error if they get invoked.
- */
-
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index 0f813bb753c6..09cbe9042828 100644
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -42,7 +42,7 @@ extern struct task_struct *ll_task;
* inline to try to keep the overhead down. If we have been forced to run on
* a "CPU" with an FPU because of a previous high level of FP computation,
* but did not actually use the FPU during the most recent time-slice (CU1
- * isn't set), we undo the restriction on cpus_allowed.
+ * isn't set), we undo the restriction on cpus_mask.
*
* We're not calling set_cpus_allowed() here, because we have no need to
* force prompt migration - we're already switching the current CPU to a
@@ -57,7 +57,7 @@ do { \
test_ti_thread_flag(__prev_ti, TIF_FPUBOUND) && \
(!(KSTK_STATUS(prev) & ST0_CU1))) { \
clear_ti_thread_flag(__prev_ti, TIF_FPUBOUND); \
- prev->cpus_allowed = prev->thread.user_cpus_allowed; \
+ prev->cpus_mask = prev->thread.user_cpus_allowed; \
} \
next->thread.emulated_fp = 0; \
} while(0)
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index acf80ae0a430..83bb439597d8 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -89,6 +89,12 @@ static inline unsigned long mips_get_syscall_arg(unsigned long *arg,
unreachable();
}
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->regs[7] ? -regs->regs[2] : 0;
+}
+
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index d41765cfbc6e..d0a9ed2ca2d6 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -133,6 +133,8 @@
#define SO_RCVTIMEO_NEW 66
#define SO_SNDTIMEO_NEW 67
+#define SO_DETACH_REUSEPORT_BPF 68
+
#if !defined(__KERNEL__)
#if __BITS_PER_LONG == 64
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index bedb5047aff3..1804dc9d8136 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -575,10 +575,6 @@ static void *jazz_dma_alloc(struct device *dev, size_t size,
return NULL;
}
- if (!(attrs & DMA_ATTR_NON_CONSISTENT)) {
- dma_cache_wback_inv((unsigned long)ret, size);
- ret = (void *)UNCAC_ADDR(ret);
- }
return ret;
}
@@ -586,8 +582,6 @@ static void jazz_dma_free(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle, unsigned long attrs)
{
vdma_free(dma_handle);
- if (!(attrs & DMA_ATTR_NON_CONSISTENT))
- vaddr = (void *)CAC_ADDR((unsigned long)vaddr);
dma_direct_free_pages(dev, size, vaddr, dma_handle, attrs);
}
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 071e9d94eea7..4a7a80c358c7 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -37,8 +37,6 @@
#include <asm/mach-jz4740/platform.h>
-#include "clock.h"
-
/* GPIOs */
#define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
#define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
@@ -466,27 +464,27 @@ static unsigned long pin_cfg_bias_disable[] = {
static struct pinctrl_map pin_map[] __initdata = {
/* NAND pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand",
- "10010000.jz4740-pinctrl", "nand", "nand-cs1"),
+ "10010000.pin-controller", "nand-cs1", "nand"),
/* fbdev pin configuration */
PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT,
- "10010000.jz4740-pinctrl", "lcd", "lcd-8bit"),
+ "10010000.pin-controller", "lcd-8bit", "lcd"),
PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP,
- "10010000.jz4740-pinctrl", "lcd", "lcd-no-pins"),
+ "10010000.pin-controller", "lcd-no-pins", "lcd"),
/* MMC pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "mmc", "mmc-1bit"),
+ "10010000.pin-controller", "mmc-1bit", "mmc"),
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "mmc", "mmc-4bit"),
+ "10010000.pin-controller", "mmc-4bit", "mmc"),
PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "PD0", pin_cfg_bias_disable),
+ "10010000.pin-controller", "PD0", pin_cfg_bias_disable),
PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
- "10010000.jz4740-pinctrl", "PD2", pin_cfg_bias_disable),
+ "10010000.pin-controller", "PD2", pin_cfg_bias_disable),
/* PWM pin configuration */
PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm",
- "10010000.jz4740-pinctrl", "pwm4", "pwm4"),
+ "10010000.pin-controller", "pwm4", "pwm4"),
};
diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c
index 4b89abb17950..c74c99f5951d 100644
--- a/arch/mips/jz4740/platform.c
+++ b/arch/mips/jz4740/platform.c
@@ -21,8 +21,6 @@
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
-#include "clock.h"
-
/* USB Device Controller */
struct platform_device jz4740_udc_xceiv_device = {
.name = "usb_phy_generic",
diff --git a/arch/mips/jz4740/pm.c b/arch/mips/jz4740/pm.c
index bbdd2b801e6e..f9b551f01f42 100644
--- a/arch/mips/jz4740/pm.c
+++ b/arch/mips/jz4740/pm.c
@@ -9,21 +9,13 @@
#include <linux/delay.h>
#include <linux/suspend.h>
-#include <asm/mach-jz4740/clock.h>
-
static int jz4740_pm_enter(suspend_state_t state)
{
- jz4740_clock_suspend();
-
- jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_SLEEP);
-
__asm__(".set\tmips3\n\t"
"wait\n\t"
".set\tmips0");
- jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_IDLE);
- jz4740_clock_resume();
return 0;
}
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
index a3260c754e65..cb768e560d8b 100644
--- a/arch/mips/jz4740/time.c
+++ b/arch/mips/jz4740/time.c
@@ -13,13 +13,10 @@
#include <linux/clockchips.h>
#include <linux/sched_clock.h>
-#include <asm/mach-jz4740/clock.h>
#include <asm/mach-jz4740/irq.h>
#include <asm/mach-jz4740/timer.h>
#include <asm/time.h>
-#include "clock.h"
-
#define TIMER_CLOCKEVENT 0
#define TIMER_CLOCKSOURCE 1
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 180ad081afcf..1db29957a931 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -32,7 +32,7 @@ int __isa_exception_epc(struct pt_regs *regs)
/* Calculate exception PC in branch delay slot. */
if (__get_user(inst, (u16 __user *) msk_isa16_mode(epc))) {
/* This should never happen because delay slot was checked. */
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return epc;
}
if (cpu_has_mips16) {
@@ -305,7 +305,7 @@ int __microMIPS_compute_return_epc(struct pt_regs *regs)
return 0;
sigsegv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return -EFAULT;
}
@@ -328,7 +328,7 @@ int __MIPS16e_compute_return_epc(struct pt_regs *regs)
/* Read the instruction. */
addr = (u16 __user *)msk_isa16_mode(epc);
if (__get_user(inst.full, addr)) {
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return -EFAULT;
}
@@ -343,7 +343,7 @@ int __MIPS16e_compute_return_epc(struct pt_regs *regs)
case MIPS16e_jal_op:
addr += 1;
if (__get_user(inst2, addr)) {
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return -EFAULT;
}
fullinst = ((unsigned)inst.full << 16) | inst2;
@@ -829,17 +829,17 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
sigill_dsp:
pr_debug("%s: DSP branch but not DSP ASE - sending SIGILL.\n",
current->comm);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
return -EFAULT;
sigill_r2r6:
pr_debug("%s: R2 branch but r2-to-r6 emulator is not present - sending SIGILL.\n",
current->comm);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
return -EFAULT;
sigill_r6:
pr_debug("%s: R6 branch but no MIPSr6 ISA support - sending SIGILL.\n",
current->comm);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
return -EFAULT;
}
EXPORT_SYMBOL_GPL(__compute_return_epc_for_insn);
@@ -859,7 +859,7 @@ int __compute_return_epc(struct pt_regs *regs)
*/
addr = (unsigned int __user *) epc;
if (__get_user(insn.word, addr)) {
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return -EFAULT;
}
@@ -867,7 +867,7 @@ int __compute_return_epc(struct pt_regs *regs)
unaligned:
printk("%s: unaligned epc - sending SIGBUS.\n", current->comm);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
return -EFAULT;
}
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index 4b5e1f2bfbce..2625232bfe52 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -333,20 +333,21 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra,
return;
/*
- * "parent_ra_addr" is the stack address saved the return address of
- * the caller of _mcount.
+ * "parent_ra_addr" is the stack address where the return address of
+ * the caller of _mcount is saved.
*
- * if the gcc < 4.5, a leaf function does not save the return address
- * in the stack address, so, we "emulate" one in _mcount's stack space,
- * and hijack it directly, but for a non-leaf function, it save the
- * return address to the its own stack space, we can not hijack it
- * directly, but need to find the real stack address,
- * ftrace_get_parent_addr() does it!
+ * If gcc < 4.5, a leaf function does not save the return address
+ * in the stack address, so we "emulate" one in _mcount's stack space,
+ * and hijack it directly.
+ * For a non-leaf function, it does save the return address to its own
+ * stack space, so we can not hijack it directly, but need to find the
+ * real stack address, which is done by ftrace_get_parent_addr().
*
- * if gcc>= 4.5, with the new -mmcount-ra-address option, for a
+ * If gcc >= 4.5, with the new -mmcount-ra-address option, for a
* non-leaf function, the location of the return address will be saved
- * to $12 for us, and for a leaf function, only put a zero into $12. we
- * do it in ftrace_graph_caller of mcount.S.
+ * to $12 for us.
+ * For a leaf function, it just puts a zero into $12, so we handle
+ * it in ftrace_graph_caller() of mcount.S.
*/
/* old_parent_ra = *parent_ra_addr; */
diff --git a/arch/mips/kernel/kprobes.c b/arch/mips/kernel/kprobes.c
index 07c941c99e92..6cfae2411c04 100644
--- a/arch/mips/kernel/kprobes.c
+++ b/arch/mips/kernel/kprobes.c
@@ -220,7 +220,7 @@ static int evaluate_branch_instruction(struct kprobe *p, struct pt_regs *regs,
unaligned:
pr_notice("%s: unaligned epc - sending SIGBUS.\n", current->comm);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
return -EFAULT;
}
@@ -398,7 +398,7 @@ out:
return 1;
}
-static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
struct kprobe *cur = kprobe_running();
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
index a7c0f97e4b0d..1a08428eedcf 100644
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -177,7 +177,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
if (retval)
goto out_unlock;
- cpumask_or(&allowed, &p->thread.user_cpus_allowed, &p->cpus_allowed);
+ cpumask_or(&allowed, &p->thread.user_cpus_allowed, p->cpus_ptr);
cpumask_and(&mask, &allowed, cpu_active_mask);
out_unlock:
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index e0ebaa0a333e..a3e2da8391ea 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -790,15 +790,19 @@ static void reset_counters(void *arg)
case 4:
mipsxx_pmu_write_control(3, 0);
mipspmu.write_counter(3, 0);
+ /* fall through */
case 3:
mipsxx_pmu_write_control(2, 0);
mipspmu.write_counter(2, 0);
+ /* fall through */
case 2:
mipsxx_pmu_write_control(1, 0);
mipspmu.write_counter(1, 0);
+ /* fall through */
case 1:
mipsxx_pmu_write_control(0, 0);
mipspmu.write_counter(0, 0);
+ /* fall through */
}
}
@@ -1380,7 +1384,7 @@ static int mipsxx_pmu_handle_shared_irq(void)
struct perf_sample_data data;
unsigned int counters = mipspmu.num_counters;
u64 counter;
- int handled = IRQ_NONE;
+ int n, handled = IRQ_NONE;
struct pt_regs *regs;
if (cpu_has_perf_cntr_intr_bit && !(read_c0_cause() & CAUSEF_PCI))
@@ -1401,20 +1405,16 @@ static int mipsxx_pmu_handle_shared_irq(void)
perf_sample_data_init(&data, 0, 0);
- switch (counters) {
-#define HANDLE_COUNTER(n) \
- case n + 1: \
- if (test_bit(n, cpuc->used_mask)) { \
- counter = mipspmu.read_counter(n); \
- if (counter & mipspmu.overflow) { \
- handle_associated_event(cpuc, n, &data, regs); \
- handled = IRQ_HANDLED; \
- } \
- }
- HANDLE_COUNTER(3)
- HANDLE_COUNTER(2)
- HANDLE_COUNTER(1)
- HANDLE_COUNTER(0)
+ for (n = counters - 1; n >= 0; n--) {
+ if (!test_bit(n, cpuc->used_mask))
+ continue;
+
+ counter = mipspmu.read_counter(n);
+ if (!(counter & mipspmu.overflow))
+ continue;
+
+ handle_associated_event(cpuc, n, &data, regs);
+ handled = IRQ_HANDLED;
}
#ifdef CONFIG_MIPS_PERF_SHARED_TC_COUNTERS
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index d75337974ee9..f6efabcb4e92 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -641,7 +641,7 @@ asmlinkage void sys_sigreturn(void)
if (sig < 0)
goto badframe;
else if (sig)
- force_sig(sig, current);
+ force_sig(sig);
/*
* Don't let your children do this ...
@@ -654,7 +654,7 @@ asmlinkage void sys_sigreturn(void)
/* Unreached */
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
#endif /* CONFIG_TRAD_SIGNALS */
@@ -678,7 +678,7 @@ asmlinkage void sys_rt_sigreturn(void)
if (sig < 0)
goto badframe;
else if (sig)
- force_sig(sig, current);
+ force_sig(sig);
if (restore_altstack(&frame->rs_uc.uc_stack))
goto badframe;
@@ -694,7 +694,7 @@ asmlinkage void sys_rt_sigreturn(void)
/* Unreached */
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
#ifdef CONFIG_TRAD_SIGNALS
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 9a6e58b48bb6..7bd00fad61af 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -71,7 +71,7 @@ asmlinkage void sysn32_rt_sigreturn(void)
if (sig < 0)
goto badframe;
else if (sig)
- force_sig(sig, current);
+ force_sig(sig);
if (compat_restore_altstack(&frame->rs_uc.uc_stack))
goto badframe;
@@ -87,7 +87,7 @@ asmlinkage void sysn32_rt_sigreturn(void)
/* Unreached */
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
static int setup_rt_frame_n32(void *sig_return, struct ksignal *ksig,
diff --git a/arch/mips/kernel/signal_o32.c b/arch/mips/kernel/signal_o32.c
index df259618e834..299a7a28ca33 100644
--- a/arch/mips/kernel/signal_o32.c
+++ b/arch/mips/kernel/signal_o32.c
@@ -171,7 +171,7 @@ asmlinkage void sys32_rt_sigreturn(void)
if (sig < 0)
goto badframe;
else if (sig)
- force_sig(sig, current);
+ force_sig(sig);
if (compat_restore_altstack(&frame->rs_uc.uc_stack))
goto badframe;
@@ -187,7 +187,7 @@ asmlinkage void sys32_rt_sigreturn(void)
/* Unreached */
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
static int setup_rt_frame_32(void *sig_return, struct ksignal *ksig,
@@ -273,7 +273,7 @@ asmlinkage void sys32_sigreturn(void)
if (sig < 0)
goto badframe;
else if (sig)
- force_sig(sig, current);
+ force_sig(sig);
/*
* Don't let your children do this ...
@@ -286,5 +286,5 @@ asmlinkage void sys32_sigreturn(void)
/* Unreached */
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
}
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 0e2dd68ade57..c9c879ec9b6d 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -372,3 +372,5 @@
431 n32 fsconfig sys_fsconfig
432 n32 fsmount sys_fsmount
433 n32 fspick sys_fspick
+434 n32 pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index 5eebfa0d155c..bbce9159caa1 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -348,3 +348,5 @@
431 n64 fsconfig sys_fsconfig
432 n64 fsmount sys_fsmount
433 n64 fspick sys_fspick
+434 n64 pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 3cc1374e02d0..9653591428ec 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -421,3 +421,5 @@
431 o32 fsconfig sys_fsconfig
432 o32 fsmount sys_fsmount
433 o32 fspick sys_fspick
+434 o32 pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index c52766a5b85f..342e41de9d64 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -482,7 +482,7 @@ asmlinkage void do_be(struct pt_regs *regs)
goto out;
die_if_kernel("Oops", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
out:
exception_exit(prev_state);
@@ -705,7 +705,7 @@ asmlinkage void do_ov(struct pt_regs *regs)
prev_state = exception_enter();
die_if_kernel("Integer overflow", regs);
- force_sig_fault(SIGFPE, FPE_INTOVF, (void __user *)regs->cp0_epc, current);
+ force_sig_fault(SIGFPE, FPE_INTOVF, (void __user *)regs->cp0_epc);
exception_exit(prev_state);
}
@@ -733,7 +733,7 @@ void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr,
else if (fcr31 & FPU_CSR_INE_X)
si_code = FPE_FLTRES;
- force_sig_fault(SIGFPE, si_code, fault_addr, tsk);
+ force_sig_fault_to_task(SIGFPE, si_code, fault_addr, tsk);
}
int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31)
@@ -750,7 +750,7 @@ int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31)
return 1;
case SIGBUS:
- force_sig_fault(SIGBUS, BUS_ADRERR, fault_addr, current);
+ force_sig_fault(SIGBUS, BUS_ADRERR, fault_addr);
return 1;
case SIGSEGV:
@@ -761,11 +761,11 @@ int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31)
else
si_code = SEGV_MAPERR;
up_read(&current->mm->mmap_sem);
- force_sig_fault(SIGSEGV, si_code, fault_addr, current);
+ force_sig_fault(SIGSEGV, si_code, fault_addr);
return 1;
default:
- force_sig(sig, current);
+ force_sig(sig);
return 1;
}
}
@@ -891,12 +891,12 @@ static void mt_ase_fp_affinity(void)
* restricted the allowed set to exclude any CPUs with FPUs,
* we'll skip the procedure.
*/
- if (cpumask_intersects(&current->cpus_allowed, &mt_fpu_cpumask)) {
+ if (cpumask_intersects(&current->cpus_mask, &mt_fpu_cpumask)) {
cpumask_t tmask;
current->thread.user_cpus_allowed
- = current->cpus_allowed;
- cpumask_and(&tmask, &current->cpus_allowed,
+ = current->cpus_mask;
+ cpumask_and(&tmask, &current->cpus_mask,
&mt_fpu_cpumask);
set_cpus_allowed_ptr(current, &tmask);
set_thread_flag(TIF_FPUBOUND);
@@ -943,11 +943,11 @@ void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code,
die_if_kernel(b, regs);
force_sig_fault(SIGFPE,
code == BRK_DIVZERO ? FPE_INTDIV : FPE_INTOVF,
- (void __user *) regs->cp0_epc, current);
+ (void __user *) regs->cp0_epc);
break;
case BRK_BUG:
die_if_kernel("Kernel bug detected", regs);
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
break;
case BRK_MEMU:
/*
@@ -962,15 +962,15 @@ void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code,
return;
die_if_kernel("Math emu break/trap", regs);
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
break;
default:
scnprintf(b, sizeof(b), "%s instruction in kernel code", str);
die_if_kernel(b, regs);
if (si_code) {
- force_sig_fault(SIGTRAP, si_code, NULL, current);
+ force_sig_fault(SIGTRAP, si_code, NULL);
} else {
- force_sig(SIGTRAP, current);
+ force_sig(SIGTRAP);
}
}
}
@@ -1063,7 +1063,7 @@ out:
return;
out_sigsegv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
goto out;
}
@@ -1105,7 +1105,7 @@ out:
return;
out_sigsegv:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
goto out;
}
@@ -1191,7 +1191,7 @@ no_r2_instr:
if (unlikely(status > 0)) {
regs->cp0_epc = old_epc; /* Undo skip-over. */
regs->regs[31] = old31;
- force_sig(status, current);
+ force_sig(status);
}
out:
@@ -1220,7 +1220,7 @@ static int default_cu2_call(struct notifier_block *nfb, unsigned long action,
die_if_kernel("COP2: Unhandled kernel unaligned access or invalid "
"instruction", regs);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
return NOTIFY_OK;
}
@@ -1383,7 +1383,7 @@ asmlinkage void do_cpu(struct pt_regs *regs)
if (unlikely(status > 0)) {
regs->cp0_epc = old_epc; /* Undo skip-over. */
regs->regs[31] = old31;
- force_sig(status, current);
+ force_sig(status);
}
break;
@@ -1403,7 +1403,7 @@ asmlinkage void do_cpu(struct pt_regs *regs)
* emulator too.
*/
if (raw_cpu_has_fpu || !cpu_has_mips_4_5_64_r2_r6) {
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
break;
}
/* Fall through. */
@@ -1437,7 +1437,7 @@ asmlinkage void do_cpu(struct pt_regs *regs)
#else /* CONFIG_MIPS_FP_SUPPORT */
case 1:
case 3:
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
break;
#endif /* CONFIG_MIPS_FP_SUPPORT */
@@ -1464,7 +1464,7 @@ asmlinkage void do_msa_fpe(struct pt_regs *regs, unsigned int msacsr)
local_irq_enable();
die_if_kernel("do_msa_fpe invoked from kernel context!", regs);
- force_sig(SIGFPE, current);
+ force_sig(SIGFPE);
out:
exception_exit(prev_state);
}
@@ -1477,7 +1477,7 @@ asmlinkage void do_msa(struct pt_regs *regs)
prev_state = exception_enter();
if (!cpu_has_msa || test_thread_flag(TIF_32BIT_FPREGS)) {
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
goto out;
}
@@ -1485,7 +1485,7 @@ asmlinkage void do_msa(struct pt_regs *regs)
err = enable_restore_fp_context(1);
if (err)
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
out:
exception_exit(prev_state);
}
@@ -1495,7 +1495,7 @@ asmlinkage void do_mdmx(struct pt_regs *regs)
enum ctx_state prev_state;
prev_state = exception_enter();
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
exception_exit(prev_state);
}
@@ -1521,7 +1521,7 @@ asmlinkage void do_watch(struct pt_regs *regs)
if (test_tsk_thread_flag(current, TIF_LOAD_WATCH)) {
mips_read_watch_registers();
local_irq_enable();
- force_sig_fault(SIGTRAP, TRAP_HWBKPT, NULL, current);
+ force_sig_fault(SIGTRAP, TRAP_HWBKPT, NULL);
} else {
mips_clear_watch_registers();
local_irq_enable();
@@ -1592,7 +1592,7 @@ asmlinkage void do_mt(struct pt_regs *regs)
}
die_if_kernel("MIPS MT Thread exception in kernel", regs);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
}
@@ -1601,7 +1601,7 @@ asmlinkage void do_dsp(struct pt_regs *regs)
if (cpu_has_dsp)
panic("Unexpected DSP exception");
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
}
asmlinkage void do_reserved(struct pt_regs *regs)
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index 76e33f940971..92bd2b0f0548 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -1365,20 +1365,20 @@ fault:
return;
die_if_kernel("Unhandled kernel unaligned access", regs);
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return;
sigbus:
die_if_kernel("Unhandled kernel unaligned access", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
return;
sigill:
die_if_kernel
("Unhandled kernel unaligned access or invalid instruction", regs);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
}
/* Recode table from 16-bit register notation to 32-bit GPR. */
@@ -1991,20 +1991,20 @@ fault:
return;
die_if_kernel("Unhandled kernel unaligned access", regs);
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return;
sigbus:
die_if_kernel("Unhandled kernel unaligned access", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
return;
sigill:
die_if_kernel
("Unhandled kernel unaligned access or invalid instruction", regs);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
}
static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)
@@ -2271,20 +2271,20 @@ fault:
return;
die_if_kernel("Unhandled kernel unaligned access", regs);
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return;
sigbus:
die_if_kernel("Unhandled kernel unaligned access", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
return;
sigill:
die_if_kernel
("Unhandled kernel unaligned access or invalid instruction", regs);
- force_sig(SIGILL, current);
+ force_sig(SIGILL);
}
asmlinkage void do_ade(struct pt_regs *regs)
@@ -2364,7 +2364,7 @@ asmlinkage void do_ade(struct pt_regs *regs)
sigbus:
die_if_kernel("Kernel unaligned instruction access", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
/*
* XXX On return from the signal handler we should advance the epc
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 0369f26ab96d..2cfe839f0b3a 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -123,9 +123,9 @@ int kvm_arch_hardware_setup(void)
return 0;
}
-void kvm_arch_check_processor_compat(void *rtn)
+int kvm_arch_check_processor_compat(void)
{
- *(int *)rtn = 0;
+ return 0;
}
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index cfd87e662fcf..115b417dfb8e 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -20,13 +20,13 @@
#include <irq.h>
/* register definitions - internal irqs */
-#define LTQ_ICU_IM0_ISR 0x0000
-#define LTQ_ICU_IM0_IER 0x0008
-#define LTQ_ICU_IM0_IOSR 0x0010
-#define LTQ_ICU_IM0_IRSR 0x0018
-#define LTQ_ICU_IM0_IMR 0x0020
-#define LTQ_ICU_IM1_ISR 0x0028
-#define LTQ_ICU_OFFSET (LTQ_ICU_IM1_ISR - LTQ_ICU_IM0_ISR)
+#define LTQ_ICU_ISR 0x0000
+#define LTQ_ICU_IER 0x0008
+#define LTQ_ICU_IOSR 0x0010
+#define LTQ_ICU_IRSR 0x0018
+#define LTQ_ICU_IMR 0x0020
+
+#define LTQ_ICU_IM_SIZE 0x28
/* register definitions - external irqs */
#define LTQ_EIU_EXIN_C 0x0000
@@ -46,24 +46,25 @@
*/
#define LTQ_ICU_EBU_IRQ 22
-#define ltq_icu_w32(m, x, y) ltq_w32((x), ltq_icu_membase[m] + (y))
-#define ltq_icu_r32(m, x) ltq_r32(ltq_icu_membase[m] + (x))
+#define ltq_icu_w32(vpe, m, x, y) \
+ ltq_w32((x), ltq_icu_membase[vpe] + m*LTQ_ICU_IM_SIZE + (y))
+
+#define ltq_icu_r32(vpe, m, x) \
+ ltq_r32(ltq_icu_membase[vpe] + m*LTQ_ICU_IM_SIZE + (x))
#define ltq_eiu_w32(x, y) ltq_w32((x), ltq_eiu_membase + (y))
#define ltq_eiu_r32(x) ltq_r32(ltq_eiu_membase + (x))
-/* our 2 ipi interrupts for VSMP */
-#define MIPS_CPU_IPI_RESCHED_IRQ 0
-#define MIPS_CPU_IPI_CALL_IRQ 1
-
/* we have a cascade of 8 irqs */
#define MIPS_CPU_IRQ_CASCADE 8
static int exin_avail;
static u32 ltq_eiu_irq[MAX_EIU];
-static void __iomem *ltq_icu_membase[MAX_IM];
+static void __iomem *ltq_icu_membase[NR_CPUS];
static void __iomem *ltq_eiu_membase;
static struct irq_domain *ltq_domain;
+static DEFINE_SPINLOCK(ltq_eiu_lock);
+static DEFINE_RAW_SPINLOCK(ltq_icu_lock);
static int ltq_perfcount_irq;
int ltq_eiu_get_irq(int exin)
@@ -75,49 +76,84 @@ int ltq_eiu_get_irq(int exin)
void ltq_disable_irq(struct irq_data *d)
{
- u32 ier = LTQ_ICU_IM0_IER;
- int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
- int im = offset / INT_NUM_IM_OFFSET;
+ unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
+ unsigned long im = offset / INT_NUM_IM_OFFSET;
+ unsigned long flags;
+ int vpe;
offset %= INT_NUM_IM_OFFSET;
- ltq_icu_w32(im, ltq_icu_r32(im, ier) & ~BIT(offset), ier);
+
+ raw_spin_lock_irqsave(&ltq_icu_lock, flags);
+ for_each_present_cpu(vpe) {
+ ltq_icu_w32(vpe, im,
+ ltq_icu_r32(vpe, im, LTQ_ICU_IER) & ~BIT(offset),
+ LTQ_ICU_IER);
+ }
+ raw_spin_unlock_irqrestore(&ltq_icu_lock, flags);
}
void ltq_mask_and_ack_irq(struct irq_data *d)
{
- u32 ier = LTQ_ICU_IM0_IER;
- u32 isr = LTQ_ICU_IM0_ISR;
- int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
- int im = offset / INT_NUM_IM_OFFSET;
+ unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
+ unsigned long im = offset / INT_NUM_IM_OFFSET;
+ unsigned long flags;
+ int vpe;
offset %= INT_NUM_IM_OFFSET;
- ltq_icu_w32(im, ltq_icu_r32(im, ier) & ~BIT(offset), ier);
- ltq_icu_w32(im, BIT(offset), isr);
+
+ raw_spin_lock_irqsave(&ltq_icu_lock, flags);
+ for_each_present_cpu(vpe) {
+ ltq_icu_w32(vpe, im,
+ ltq_icu_r32(vpe, im, LTQ_ICU_IER) & ~BIT(offset),
+ LTQ_ICU_IER);
+ ltq_icu_w32(vpe, im, BIT(offset), LTQ_ICU_ISR);
+ }
+ raw_spin_unlock_irqrestore(&ltq_icu_lock, flags);
}
static void ltq_ack_irq(struct irq_data *d)
{
- u32 isr = LTQ_ICU_IM0_ISR;
- int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
- int im = offset / INT_NUM_IM_OFFSET;
+ unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
+ unsigned long im = offset / INT_NUM_IM_OFFSET;
+ unsigned long flags;
+ int vpe;
offset %= INT_NUM_IM_OFFSET;
- ltq_icu_w32(im, BIT(offset), isr);
+
+ raw_spin_lock_irqsave(&ltq_icu_lock, flags);
+ for_each_present_cpu(vpe) {
+ ltq_icu_w32(vpe, im, BIT(offset), LTQ_ICU_ISR);
+ }
+ raw_spin_unlock_irqrestore(&ltq_icu_lock, flags);
}
void ltq_enable_irq(struct irq_data *d)
{
- u32 ier = LTQ_ICU_IM0_IER;
- int offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
- int im = offset / INT_NUM_IM_OFFSET;
+ unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;
+ unsigned long im = offset / INT_NUM_IM_OFFSET;
+ unsigned long flags;
+ int vpe;
offset %= INT_NUM_IM_OFFSET;
- ltq_icu_w32(im, ltq_icu_r32(im, ier) | BIT(offset), ier);
+
+ vpe = cpumask_first(irq_data_get_effective_affinity_mask(d));
+
+ /* This shouldn't be even possible, maybe during CPU hotplug spam */
+ if (unlikely(vpe >= nr_cpu_ids))
+ vpe = smp_processor_id();
+
+ raw_spin_lock_irqsave(&ltq_icu_lock, flags);
+
+ ltq_icu_w32(vpe, im, ltq_icu_r32(vpe, im, LTQ_ICU_IER) | BIT(offset),
+ LTQ_ICU_IER);
+
+ raw_spin_unlock_irqrestore(&ltq_icu_lock, flags);
}
static int ltq_eiu_settype(struct irq_data *d, unsigned int type)
{
int i;
+ unsigned long flags;
for (i = 0; i < exin_avail; i++) {
if (d->hwirq == ltq_eiu_irq[i]) {
@@ -154,8 +190,11 @@ static int ltq_eiu_settype(struct irq_data *d, unsigned int type)
if (edge)
irq_set_handler(d->hwirq, handle_edge_irq);
- ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_C) |
- (val << (i * 4)), LTQ_EIU_EXIN_C);
+ spin_lock_irqsave(&ltq_eiu_lock, flags);
+ ltq_eiu_w32((ltq_eiu_r32(LTQ_EIU_EXIN_C) &
+ (~(7 << (i * 4)))) | (val << (i * 4)),
+ LTQ_EIU_EXIN_C);
+ spin_unlock_irqrestore(&ltq_eiu_lock, flags);
}
}
@@ -199,6 +238,21 @@ static void ltq_shutdown_eiu_irq(struct irq_data *d)
}
}
+#if defined(CONFIG_SMP)
+static int ltq_icu_irq_set_affinity(struct irq_data *d,
+ const struct cpumask *cpumask, bool force)
+{
+ struct cpumask tmask;
+
+ if (!cpumask_and(&tmask, cpumask, cpu_online_mask))
+ return -EINVAL;
+
+ irq_data_update_effective_affinity(d, &tmask);
+
+ return IRQ_SET_MASK_OK;
+}
+#endif
+
static struct irq_chip ltq_irq_type = {
.name = "icu",
.irq_enable = ltq_enable_irq,
@@ -207,6 +261,9 @@ static struct irq_chip ltq_irq_type = {
.irq_ack = ltq_ack_irq,
.irq_mask = ltq_disable_irq,
.irq_mask_ack = ltq_mask_and_ack_irq,
+#if defined(CONFIG_SMP)
+ .irq_set_affinity = ltq_icu_irq_set_affinity,
+#endif
};
static struct irq_chip ltq_eiu_type = {
@@ -220,15 +277,19 @@ static struct irq_chip ltq_eiu_type = {
.irq_mask = ltq_disable_irq,
.irq_mask_ack = ltq_mask_and_ack_irq,
.irq_set_type = ltq_eiu_settype,
+#if defined(CONFIG_SMP)
+ .irq_set_affinity = ltq_icu_irq_set_affinity,
+#endif
};
static void ltq_hw_irq_handler(struct irq_desc *desc)
{
- int module = irq_desc_get_irq(desc) - 2;
+ unsigned int module = irq_desc_get_irq(desc) - 2;
u32 irq;
- int hwirq;
+ irq_hw_number_t hwirq;
+ int vpe = smp_processor_id();
- irq = ltq_icu_r32(module, LTQ_ICU_IM0_IOSR);
+ irq = ltq_icu_r32(vpe, module, LTQ_ICU_IOSR);
if (irq == 0)
return;
@@ -249,6 +310,7 @@ static void ltq_hw_irq_handler(struct irq_desc *desc)
static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
{
struct irq_chip *chip = &ltq_irq_type;
+ struct irq_data *data;
int i;
if (hw < MIPS_CPU_IRQ_CASCADE)
@@ -258,6 +320,10 @@ static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
if (hw == ltq_eiu_irq[i])
chip = &ltq_eiu_type;
+ data = irq_get_irq_data(irq);
+
+ irq_data_update_effective_affinity(data, cpumask_of(0));
+
irq_set_chip_and_handler(irq, chip, handle_level_irq);
return 0;
@@ -272,28 +338,37 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
{
struct device_node *eiu_node;
struct resource res;
- int i, ret;
+ int i, ret, vpe;
- for (i = 0; i < MAX_IM; i++) {
- if (of_address_to_resource(node, i, &res))
- panic("Failed to get icu memory range");
+ /* load register regions of available ICUs */
+ for_each_possible_cpu(vpe) {
+ if (of_address_to_resource(node, vpe, &res))
+ panic("Failed to get icu%i memory range", vpe);
if (!request_mem_region(res.start, resource_size(&res),
res.name))
- pr_err("Failed to request icu memory");
+ pr_err("Failed to request icu%i memory\n", vpe);
- ltq_icu_membase[i] = ioremap_nocache(res.start,
+ ltq_icu_membase[vpe] = ioremap_nocache(res.start,
resource_size(&res));
- if (!ltq_icu_membase[i])
- panic("Failed to remap icu memory");
+
+ if (!ltq_icu_membase[vpe])
+ panic("Failed to remap icu%i memory", vpe);
}
/* turn off all irqs by default */
- for (i = 0; i < MAX_IM; i++) {
- /* make sure all irqs are turned off by default */
- ltq_icu_w32(i, 0, LTQ_ICU_IM0_IER);
- /* clear all possibly pending interrupts */
- ltq_icu_w32(i, ~0, LTQ_ICU_IM0_ISR);
+ for_each_possible_cpu(vpe) {
+ for (i = 0; i < MAX_IM; i++) {
+ /* make sure all irqs are turned off by default */
+ ltq_icu_w32(vpe, i, 0, LTQ_ICU_IER);
+
+ /* clear all possibly pending interrupts */
+ ltq_icu_w32(vpe, i, ~0, LTQ_ICU_ISR);
+ ltq_icu_w32(vpe, i, ~0, LTQ_ICU_IMR);
+
+ /* clear resend */
+ ltq_icu_w32(vpe, i, 0, LTQ_ICU_IRSR);
+ }
}
mips_cpu_irq_init();
@@ -347,7 +422,7 @@ unsigned int get_c0_compare_int(void)
return CP0_LEGACY_COMPARE_IRQ;
}
-static struct of_device_id __initdata of_irq_ids[] = {
+static const struct of_device_id of_irq_ids[] __initconst = {
{ .compatible = "lantiq,icu", .data = icu_of_init },
{},
};
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index f34d7ff5eb60..1e8d335025d7 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -7,7 +7,6 @@ obj-y += cache.o
obj-y += context.o
obj-y += extable.o
obj-y += fault.o
-obj-y += gup.o
obj-y += init.o
obj-y += mmap.o
obj-y += page.o
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 3da216988672..33b409391ddb 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -62,8 +62,6 @@ void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
void (*_dma_cache_wback)(unsigned long start, unsigned long size);
void (*_dma_cache_inv)(unsigned long start, unsigned long size);
-EXPORT_SYMBOL(_dma_cache_wback_inv);
-
#endif /* CONFIG_DMA_NONCOHERENT */
/*
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c
index f9549d2fbea3..ed56c6fa7be2 100644
--- a/arch/mips/mm/dma-noncoherent.c
+++ b/arch/mips/mm/dma-noncoherent.c
@@ -44,33 +44,25 @@ static inline bool cpu_needs_post_dma_flush(struct device *dev)
}
}
-void *arch_dma_alloc(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs)
+void arch_dma_prep_coherent(struct page *page, size_t size)
{
- void *ret;
-
- ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs);
- if (ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
- dma_cache_wback_inv((unsigned long) ret, size);
- ret = (void *)UNCAC_ADDR(ret);
- }
+ dma_cache_wback_inv((unsigned long)page_address(page), size);
+}
- return ret;
+void *uncached_kernel_address(void *addr)
+{
+ return (void *)(__pa(addr) + UNCAC_BASE);
}
-void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
- dma_addr_t dma_addr, unsigned long attrs)
+void *cached_kernel_address(void *addr)
{
- if (!(attrs & DMA_ATTR_NON_CONSISTENT))
- cpu_addr = (void *)CAC_ADDR((unsigned long)cpu_addr);
- dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs);
+ return __va(addr) - UNCAC_BASE;
}
long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr,
dma_addr_t dma_addr)
{
- unsigned long addr = CAC_ADDR((unsigned long)cpu_addr);
- return page_to_pfn(virt_to_page((void *)addr));
+ return page_to_pfn(virt_to_page(cached_kernel_address(cpu_addr)));
}
pgprot_t arch_dma_mmap_pgprot(struct device *dev, pgprot_t prot,
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 73d8a0f0b810..f589aa8f47d9 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -223,7 +223,7 @@ bad_area_nosemaphore:
pr_cont("\n");
}
current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f;
- force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+ force_sig_fault(SIGSEGV, si_code, (void __user *)address);
return;
}
@@ -279,7 +279,7 @@ do_sigbus:
#endif
current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f;
tsk->thread.cp0_badvaddr = address;
- force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
+ force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address);
return;
#ifndef CONFIG_64BIT
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c
deleted file mode 100644
index 4c2b4483683c..000000000000
--- a/arch/mips/mm/gup.c
+++ /dev/null
@@ -1,303 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Lockless get_user_pages_fast for MIPS
- *
- * Copyright (C) 2008 Nick Piggin
- * Copyright (C) 2008 Novell Inc.
- * Copyright (C) 2011 Ralf Baechle
- */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/vmstat.h>
-#include <linux/highmem.h>
-#include <linux/swap.h>
-#include <linux/hugetlb.h>
-
-#include <asm/cpu-features.h>
-#include <asm/pgtable.h>
-
-static inline pte_t gup_get_pte(pte_t *ptep)
-{
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
- pte_t pte;
-
-retry:
- pte.pte_low = ptep->pte_low;
- smp_rmb();
- pte.pte_high = ptep->pte_high;
- smp_rmb();
- if (unlikely(pte.pte_low != ptep->pte_low))
- goto retry;
-
- return pte;
-#else
- return READ_ONCE(*ptep);
-#endif
-}
-
-static int gup_pte_range(pmd_t pmd, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- pte_t *ptep = pte_offset_map(&pmd, addr);
- do {
- pte_t pte = gup_get_pte(ptep);
- struct page *page;
-
- if (!pte_present(pte) ||
- pte_special(pte) || (write && !pte_write(pte))) {
- pte_unmap(ptep);
- return 0;
- }
- VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
- page = pte_page(pte);
- get_page(page);
- SetPageReferenced(page);
- pages[*nr] = page;
- (*nr)++;
-
- } while (ptep++, addr += PAGE_SIZE, addr != end);
-
- pte_unmap(ptep - 1);
- return 1;
-}
-
-static inline void get_head_page_multiple(struct page *page, int nr)
-{
- VM_BUG_ON(page != compound_head(page));
- VM_BUG_ON(page_count(page) == 0);
- page_ref_add(page, nr);
- SetPageReferenced(page);
-}
-
-static int gup_huge_pmd(pmd_t pmd, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- pte_t pte = *(pte_t *)&pmd;
- struct page *head, *page;
- int refs;
-
- if (write && !pte_write(pte))
- return 0;
- /* hugepages are never "special" */
- VM_BUG_ON(pte_special(pte));
- VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
-
- refs = 0;
- head = pte_page(pte);
- page = head + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
- do {
- VM_BUG_ON(compound_head(page) != head);
- pages[*nr] = page;
- (*nr)++;
- page++;
- refs++;
- } while (addr += PAGE_SIZE, addr != end);
-
- get_head_page_multiple(head, refs);
- return 1;
-}
-
-static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- unsigned long next;
- pmd_t *pmdp;
-
- pmdp = pmd_offset(&pud, addr);
- do {
- pmd_t pmd = *pmdp;
-
- next = pmd_addr_end(addr, end);
- if (pmd_none(pmd))
- return 0;
- if (unlikely(pmd_huge(pmd))) {
- if (!gup_huge_pmd(pmd, addr, next, write, pages,nr))
- return 0;
- } else {
- if (!gup_pte_range(pmd, addr, next, write, pages,nr))
- return 0;
- }
- } while (pmdp++, addr = next, addr != end);
-
- return 1;
-}
-
-static int gup_huge_pud(pud_t pud, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- pte_t pte = *(pte_t *)&pud;
- struct page *head, *page;
- int refs;
-
- if (write && !pte_write(pte))
- return 0;
- /* hugepages are never "special" */
- VM_BUG_ON(pte_special(pte));
- VM_BUG_ON(!pfn_valid(pte_pfn(pte)));
-
- refs = 0;
- head = pte_page(pte);
- page = head + ((addr & ~PUD_MASK) >> PAGE_SHIFT);
- do {
- VM_BUG_ON(compound_head(page) != head);
- pages[*nr] = page;
- (*nr)++;
- page++;
- refs++;
- } while (addr += PAGE_SIZE, addr != end);
-
- get_head_page_multiple(head, refs);
- return 1;
-}
-
-static int gup_pud_range(pgd_t pgd, unsigned long addr, unsigned long end,
- int write, struct page **pages, int *nr)
-{
- unsigned long next;
- pud_t *pudp;
-
- pudp = pud_offset(&pgd, addr);
- do {
- pud_t pud = *pudp;
-
- next = pud_addr_end(addr, end);
- if (pud_none(pud))
- return 0;
- if (unlikely(pud_huge(pud))) {
- if (!gup_huge_pud(pud, addr, next, write, pages,nr))
- return 0;
- } else {
- if (!gup_pmd_range(pud, addr, next, write, pages,nr))
- return 0;
- }
- } while (pudp++, addr = next, addr != end);
-
- return 1;
-}
-
-/*
- * Like get_user_pages_fast() except its IRQ-safe in that it won't fall
- * back to the regular GUP.
- * Note a difference with get_user_pages_fast: this always returns the
- * number of pages pinned, 0 if no pages were pinned.
- */
-int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
- struct page **pages)
-{
- struct mm_struct *mm = current->mm;
- unsigned long addr, len, end;
- unsigned long next;
- unsigned long flags;
- pgd_t *pgdp;
- int nr = 0;
-
- start &= PAGE_MASK;
- addr = start;
- len = (unsigned long) nr_pages << PAGE_SHIFT;
- end = start + len;
- if (unlikely(!access_ok((void __user *)start, len)))
- return 0;
-
- /*
- * XXX: batch / limit 'nr', to avoid large irq off latency
- * needs some instrumenting to determine the common sizes used by
- * important workloads (eg. DB2), and whether limiting the batch
- * size will decrease performance.
- *
- * It seems like we're in the clear for the moment. Direct-IO is
- * the main guy that batches up lots of get_user_pages, and even
- * they are limited to 64-at-a-time which is not so many.
- */
- /*
- * This doesn't prevent pagetable teardown, but does prevent
- * the pagetables and pages from being freed.
- *
- * So long as we atomically load page table pointers versus teardown,
- * we can follow the address down to the page and take a ref on it.
- */
- local_irq_save(flags);
- pgdp = pgd_offset(mm, addr);
- do {
- pgd_t pgd = *pgdp;
-
- next = pgd_addr_end(addr, end);
- if (pgd_none(pgd))
- break;
- if (!gup_pud_range(pgd, addr, next, write, pages, &nr))
- break;
- } while (pgdp++, addr = next, addr != end);
- local_irq_restore(flags);
-
- return nr;
-}
-
-/**
- * get_user_pages_fast() - pin user pages in memory
- * @start: starting user address
- * @nr_pages: number of pages from start to pin
- * @gup_flags: flags modifying pin behaviour
- * @pages: array that receives pointers to the pages pinned.
- * Should be at least nr_pages long.
- *
- * Attempt to pin user pages in memory without taking mm->mmap_sem.
- * If not successful, it will fall back to taking the lock and
- * calling get_user_pages().
- *
- * Returns number of pages pinned. This may be fewer than the number
- * requested. If nr_pages is 0 or negative, returns 0. If no pages
- * were pinned, returns -errno.
- */
-int get_user_pages_fast(unsigned long start, int nr_pages,
- unsigned int gup_flags, struct page **pages)
-{
- struct mm_struct *mm = current->mm;
- unsigned long addr, len, end;
- unsigned long next;
- pgd_t *pgdp;
- int ret, nr = 0;
-
- start &= PAGE_MASK;
- addr = start;
- len = (unsigned long) nr_pages << PAGE_SHIFT;
-
- end = start + len;
- if (end < start || cpu_has_dc_aliases)
- goto slow_irqon;
-
- /* XXX: batch / limit 'nr' */
- local_irq_disable();
- pgdp = pgd_offset(mm, addr);
- do {
- pgd_t pgd = *pgdp;
-
- next = pgd_addr_end(addr, end);
- if (pgd_none(pgd))
- goto slow;
- if (!gup_pud_range(pgd, addr, next, gup_flags & FOLL_WRITE,
- pages, &nr))
- goto slow;
- } while (pgdp++, addr = next, addr != end);
- local_irq_enable();
-
- VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT);
- return nr;
-slow:
- local_irq_enable();
-
-slow_irqon:
- /* Try to get the remaining pages with get_user_pages */
- start += nr << PAGE_SHIFT;
- pages += nr;
-
- ret = get_user_pages_unlocked(start, (end - start) >> PAGE_SHIFT,
- pages, gup_flags);
-
- /* Have to be a bit careful with return values */
- if (nr > 0) {
- if (ret < 0)
- ret = nr;
- else
- ret += nr;
- }
- return ret;
-}
diff --git a/arch/mips/sgi-ip22/ip22-berr.c b/arch/mips/sgi-ip22/ip22-berr.c
index 34bb9801d5ff..dc0110a607a5 100644
--- a/arch/mips/sgi-ip22/ip22-berr.c
+++ b/arch/mips/sgi-ip22/ip22-berr.c
@@ -98,7 +98,7 @@ void ip22_be_interrupt(int irq)
field, regs->cp0_epc, field, regs->regs[31]);
/* Assume it would be too dangerous to continue ... */
die_if_kernel("Oops", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
}
static int ip22_be_handler(struct pt_regs *regs, int is_fixup)
diff --git a/arch/mips/sgi-ip22/ip28-berr.c b/arch/mips/sgi-ip22/ip28-berr.c
index 082541d33161..c0cf7baee36d 100644
--- a/arch/mips/sgi-ip22/ip28-berr.c
+++ b/arch/mips/sgi-ip22/ip28-berr.c
@@ -462,7 +462,7 @@ void ip22_be_interrupt(int irq)
if (ip28_be_interrupt(regs) != MIPS_BE_DISCARD) {
/* Assume it would be too dangerous to continue ... */
die_if_kernel("Oops", regs);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
} else if (debug_be_interrupt)
show_regs(regs);
}
diff --git a/arch/mips/sgi-ip27/ip27-berr.c b/arch/mips/sgi-ip27/ip27-berr.c
index 83efe03d5c60..73ad29b180fb 100644
--- a/arch/mips/sgi-ip27/ip27-berr.c
+++ b/arch/mips/sgi-ip27/ip27-berr.c
@@ -74,7 +74,7 @@ int ip27_be_handler(struct pt_regs *regs, int is_fixup)
show_regs(regs);
dump_tlb_all();
while(1);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
}
void __init ip27_be_init(void)
diff --git a/arch/mips/sgi-ip32/ip32-berr.c b/arch/mips/sgi-ip32/ip32-berr.c
index c1f12a9cf305..c860f95ab7ed 100644
--- a/arch/mips/sgi-ip32/ip32-berr.c
+++ b/arch/mips/sgi-ip32/ip32-berr.c
@@ -29,7 +29,7 @@ static int ip32_be_handler(struct pt_regs *regs, int is_fixup)
show_regs(regs);
dump_tlb_all();
while(1);
- force_sig(SIGBUS, current);
+ force_sig(SIGBUS);
}
void __init ip32_be_init(void)