diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/Kconfig | 29 | ||||
| -rw-r--r-- | arch/xtensa/Kconfig.debug | 5 | ||||
| -rw-r--r-- | arch/xtensa/boot/Makefile | 3 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/atomic.h | 98 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/hw_breakpoint.h | 7 | ||||
| -rw-r--r-- | arch/xtensa/include/uapi/asm/socket.h | 3 | ||||
| -rw-r--r-- | arch/xtensa/kernel/hw_breakpoint.c | 40 | ||||
| -rw-r--r-- | arch/xtensa/kernel/pci-dma.c | 2 | ||||
| -rw-r--r-- | arch/xtensa/mm/fault.c | 2 |
9 files changed, 26 insertions, 163 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 9e53ec481bf9..04d038f3b6fa 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -63,9 +63,6 @@ config HZ int default 100 -source "init/Kconfig" -source "kernel/Kconfig.freezer" - config LOCKDEP_SUPPORT def_bool y @@ -176,8 +173,6 @@ config XTENSA_UNALIGNED_USER Say Y here to enable unaligned memory access in user space. -source "kernel/Kconfig.preempt" - config HAVE_SMP bool "System Supports SMP (MX)" depends on XTENSA_VARIANT_CUSTOM @@ -521,8 +516,6 @@ config SIMDISK1_FILENAME Another simulated disk in a host file for a buildroot-independent storage. -source "mm/Kconfig" - config FORCE_MAX_ZONEORDER int "Maximum zone order" default "11" @@ -585,30 +578,8 @@ config XTFPGA_LCD_8BIT_ACCESS endmenu -menu "Executable file formats" - -source "fs/Kconfig.binfmt" - -endmenu - menu "Power management options" source "kernel/power/Kconfig" endmenu - -source "net/Kconfig" - -source "drivers/Kconfig" - -source "fs/Kconfig" - -source "arch/xtensa/Kconfig.debug" - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" - - diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug index f64c14adadb3..39de98e20018 100644 --- a/arch/xtensa/Kconfig.debug +++ b/arch/xtensa/Kconfig.debug @@ -1,7 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -menu "Kernel hacking" - -source "lib/Kconfig.debug" config DEBUG_TLB_SANITY bool "Debug TLB sanity" @@ -34,5 +31,3 @@ config S32C1I_SELFTEST It is easy to make wrong hardware configuration, this test should catch it early. Say 'N' on stable hardware. - -endmenu diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile index 53e4178711e6..dc9e0ba7122c 100644 --- a/arch/xtensa/boot/Makefile +++ b/arch/xtensa/boot/Makefile @@ -30,8 +30,7 @@ Image: boot-elf zImage: boot-redboot uImage: $(obj)/uImage -boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y)) \ - $(addprefix $(obj)/,$(host-progs)) +boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y)) $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index e7a23f2a519a..7de0149e1cf7 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -197,107 +197,9 @@ ATOMIC_OPS(xor) #undef ATOMIC_OP_RETURN #undef ATOMIC_OP -/** - * atomic_sub_and_test - subtract value from variable and test result - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v and returns - * true if the result is zero, or false for all - * other cases. - */ -#define atomic_sub_and_test(i,v) (atomic_sub_return((i),(v)) == 0) - -/** - * atomic_inc - increment atomic variable - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1. - */ -#define atomic_inc(v) atomic_add(1,(v)) - -/** - * atomic_inc - increment atomic variable - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1. - */ -#define atomic_inc_return(v) atomic_add_return(1,(v)) - -/** - * atomic_dec - decrement atomic variable - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1. - */ -#define atomic_dec(v) atomic_sub(1,(v)) - -/** - * atomic_dec_return - decrement atomic variable - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1. - */ -#define atomic_dec_return(v) atomic_sub_return(1,(v)) - -/** - * atomic_dec_and_test - decrement and test - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1 and - * returns true if the result is 0, or false for all other - * cases. - */ -#define atomic_dec_and_test(v) (atomic_sub_return(1,(v)) == 0) - -/** - * atomic_inc_and_test - increment and test - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. - */ -#define atomic_inc_and_test(v) (atomic_add_return(1,(v)) == 0) - -/** - * atomic_add_negative - add and test if negative - * @v: pointer of type atomic_t - * @i: integer value to add - * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. - */ -#define atomic_add_negative(i,v) (atomic_add_return((i),(v)) < 0) - #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -/** - * __atomic_add_unless - add unless the number is a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, so long as it was not @u. - * Returns the old value of @v. - */ -static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) -{ - int c, old; - c = atomic_read(v); - for (;;) { - if (unlikely(c == (u))) - break; - old = atomic_cmpxchg((v), c, c + (a)); - if (likely(old == c)) - break; - c = old; - } - return c; -} - #endif /* __KERNEL__ */ #endif /* _XTENSA_ATOMIC_H */ diff --git a/arch/xtensa/include/asm/hw_breakpoint.h b/arch/xtensa/include/asm/hw_breakpoint.h index dbe3053b284a..9f119c1ca0b5 100644 --- a/arch/xtensa/include/asm/hw_breakpoint.h +++ b/arch/xtensa/include/asm/hw_breakpoint.h @@ -30,13 +30,16 @@ struct arch_hw_breakpoint { u16 type; }; +struct perf_event_attr; struct perf_event; struct pt_regs; struct task_struct; int hw_breakpoint_slots(int type); -int arch_check_bp_in_kernelspace(struct perf_event *bp); -int arch_validate_hwbkpt_settings(struct perf_event *bp); +int arch_check_bp_in_kernelspace(struct arch_hw_breakpoint *hw); +int hw_breakpoint_arch_parse(struct perf_event *bp, + const struct perf_event_attr *attr, + struct arch_hw_breakpoint *hw); int hw_breakpoint_exceptions_notify(struct notifier_block *unused, unsigned long val, void *data); diff --git a/arch/xtensa/include/uapi/asm/socket.h b/arch/xtensa/include/uapi/asm/socket.h index 75a07b8119a9..1de07a7f7680 100644 --- a/arch/xtensa/include/uapi/asm/socket.h +++ b/arch/xtensa/include/uapi/asm/socket.h @@ -116,4 +116,7 @@ #define SO_ZEROCOPY 60 +#define SO_TXTIME 61 +#define SCM_TXTIME SO_TXTIME + #endif /* _XTENSA_SOCKET_H */ diff --git a/arch/xtensa/kernel/hw_breakpoint.c b/arch/xtensa/kernel/hw_breakpoint.c index b35656ab7dbd..c2e387c19cda 100644 --- a/arch/xtensa/kernel/hw_breakpoint.c +++ b/arch/xtensa/kernel/hw_breakpoint.c @@ -33,14 +33,13 @@ int hw_breakpoint_slots(int type) } } -int arch_check_bp_in_kernelspace(struct perf_event *bp) +int arch_check_bp_in_kernelspace(struct arch_hw_breakpoint *hw) { unsigned int len; unsigned long va; - struct arch_hw_breakpoint *info = counter_arch_bp(bp); - va = info->address; - len = bp->attr.bp_len; + va = hw->address; + len = hw->len; return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE); } @@ -48,50 +47,41 @@ int arch_check_bp_in_kernelspace(struct perf_event *bp) /* * Construct an arch_hw_breakpoint from a perf_event. */ -static int arch_build_bp_info(struct perf_event *bp) +int hw_breakpoint_arch_parse(struct perf_event *bp, + const struct perf_event_attr *attr, + struct arch_hw_breakpoint *hw) { - struct arch_hw_breakpoint *info = counter_arch_bp(bp); - /* Type */ - switch (bp->attr.bp_type) { + switch (attr->bp_type) { case HW_BREAKPOINT_X: - info->type = XTENSA_BREAKPOINT_EXECUTE; + hw->type = XTENSA_BREAKPOINT_EXECUTE; break; case HW_BREAKPOINT_R: - info->type = XTENSA_BREAKPOINT_LOAD; + hw->type = XTENSA_BREAKPOINT_LOAD; break; case HW_BREAKPOINT_W: - info->type = XTENSA_BREAKPOINT_STORE; + hw->type = XTENSA_BREAKPOINT_STORE; break; case HW_BREAKPOINT_RW: - info->type = XTENSA_BREAKPOINT_LOAD | XTENSA_BREAKPOINT_STORE; + hw->type = XTENSA_BREAKPOINT_LOAD | XTENSA_BREAKPOINT_STORE; break; default: return -EINVAL; } /* Len */ - info->len = bp->attr.bp_len; - if (info->len < 1 || info->len > 64 || !is_power_of_2(info->len)) + hw->len = attr->bp_len; + if (hw->len < 1 || hw->len > 64 || !is_power_of_2(hw->len)) return -EINVAL; /* Address */ - info->address = bp->attr.bp_addr; - if (info->address & (info->len - 1)) + hw->address = attr->bp_addr; + if (hw->address & (hw->len - 1)) return -EINVAL; return 0; } -int arch_validate_hwbkpt_settings(struct perf_event *bp) -{ - int ret; - - /* Build the arch_hw_breakpoint. */ - ret = arch_build_bp_info(bp); - return ret; -} - int hw_breakpoint_exceptions_notify(struct notifier_block *unused, unsigned long val, void *data) { diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c index fe3343ddccaf..1fc138b6bc0a 100644 --- a/arch/xtensa/kernel/pci-dma.c +++ b/arch/xtensa/kernel/pci-dma.c @@ -157,7 +157,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (gfpflags_allow_blocking(flag)) page = dma_alloc_from_contiguous(dev, count, get_order(size), - flag); + flag & __GFP_NOWARN); if (!page) page = alloc_pages(flag, get_order(size)); diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index c111a833205a..2ab0e0dcd166 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -42,7 +42,7 @@ void do_page_fault(struct pt_regs *regs) int code; int is_write, is_exec; - int fault; + vm_fault_t fault; unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; code = SEGV_MAPERR; |