diff options
Diffstat (limited to 'arch/powerpc')
51 files changed, 507 insertions, 465 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 2890d36eb531..7deb3ea2dd3f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -128,6 +128,7 @@ config PPC # # Please keep this list sorted alphabetically. # + select ARCH_32BIT_OFF_T if PPC32 select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_DMA_SET_COHERENT_MASK @@ -178,6 +179,7 @@ config PPC select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT + select HAVE_ARCH_NVRAM_OPS select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK select HAVE_CBPF_JIT if !PPC64 @@ -274,11 +276,6 @@ config SYSVIPC_COMPAT depends on COMPAT && SYSVIPC default y -# All PPC32s use generic nvram driver through ppc_md -config GENERIC_NVRAM - bool - default y if PPC32 - config SCHED_OMIT_FRAME_POINTER bool default y diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h index 5b0177733994..66c1e4f88d65 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h @@ -13,6 +13,10 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); +extern void radix__huge_ptep_modify_prot_commit(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t old_pte, pte_t pte); + static inline int hstate_get_psize(struct hstate *hstate) { unsigned long shift; @@ -42,4 +46,12 @@ static inline bool gigantic_page_supported(void) /* hugepd entry valid bit */ #define HUGEPD_VAL_BITS (0x8000000000000000UL) +#define huge_ptep_modify_prot_start huge_ptep_modify_prot_start +extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep); + +#define huge_ptep_modify_prot_commit huge_ptep_modify_prot_commit +extern void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t old_pte, pte_t new_pte); #endif diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 2e6ada28da64..868fcaf56f6b 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -904,7 +904,7 @@ static inline int pud_none(pud_t pud) static inline int pud_present(pud_t pud) { - return (pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); } extern struct page *pud_page(pud_t pud); @@ -951,7 +951,7 @@ static inline int pgd_none(pgd_t pgd) static inline int pgd_present(pgd_t pgd) { - return (pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); + return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); } static inline pte_t pgd_pte(pgd_t pgd) @@ -1258,21 +1258,13 @@ extern pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, #define pmd_move_must_withdraw pmd_move_must_withdraw struct spinlock; -static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, - struct spinlock *old_pmd_ptl, - struct vm_area_struct *vma) -{ - if (radix_enabled()) - return false; - /* - * Archs like ppc64 use pgtable to store per pmd - * specific information. So when we switch the pmd, - * we should also withdraw and deposit the pgtable - */ - return true; -} - - +extern int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, + struct spinlock *old_pmd_ptl, + struct vm_area_struct *vma); +/* + * Hash translation mode use the deposited table to store hash pte + * slot information. + */ #define arch_needs_pgtable_deposit arch_needs_pgtable_deposit static inline bool arch_needs_pgtable_deposit(void) { @@ -1314,6 +1306,24 @@ static inline int pud_pfn(pud_t pud) BUILD_BUG(); return 0; } +#define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION +pte_t ptep_modify_prot_start(struct vm_area_struct *, unsigned long, pte_t *); +void ptep_modify_prot_commit(struct vm_area_struct *, unsigned long, + pte_t *, pte_t, pte_t); + +/* + * Returns true for a R -> RW upgrade of pte + */ +static inline bool is_pte_rw_upgrade(unsigned long old_val, unsigned long new_val) +{ + if (!(old_val & _PAGE_READ)) + return false; + + if ((!(old_val & _PAGE_WRITE)) && (new_val & _PAGE_WRITE)) + return true; + + return false; +} #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */ diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h index 7d1a3d1543fc..5ab134eeed20 100644 --- a/arch/powerpc/include/asm/book3s/64/radix.h +++ b/arch/powerpc/include/asm/book3s/64/radix.h @@ -127,6 +127,10 @@ extern void radix__ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep pte_t entry, unsigned long address, int psize); +extern void radix__ptep_modify_prot_commit(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t old_pte, pte_t pte); + static inline unsigned long __radix_pte_update(pte_t *ptep, unsigned long clr, unsigned long set) { diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 7f19fbd3ba55..4b73847e9b95 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -783,8 +783,10 @@ extern void __iounmap_at(void *ea, unsigned long size); #define mmio_read16be(addr) readw_be(addr) #define mmio_read32be(addr) readl_be(addr) +#define mmio_read64be(addr) readq_be(addr) #define mmio_write16be(val, addr) writew_be(val, addr) #define mmio_write32be(val, addr) writel_be(val, addr) +#define mmio_write64be(val, addr) writeq_be(val, addr) #define mmio_insb(addr, dst, count) readsb(addr, dst, count) #define mmio_insw(addr, dst, count) readsw(addr, dst, count) #define mmio_insl(addr, dst, count) readsl(addr, dst, count) diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 09a518bb7c03..629a5cdcc865 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -78,9 +78,6 @@ extern int pmac_get_partition(int partition); extern u8 pmac_xpram_read(int xpaddr); extern void pmac_xpram_write(int xpaddr, u8 data); -/* Synchronize NVRAM */ -extern void nvram_sync(void); - /* Initialize NVRAM OS partition */ extern int __init nvram_init_os_partition(struct nvram_os_partition *part); @@ -98,10 +95,4 @@ extern int nvram_write_os_partition(struct nvram_os_partition *part, unsigned int err_type, unsigned int error_log_cnt); -/* Determine NVRAM size */ -extern ssize_t nvram_get_size(void); - -/* Normal access to NVRAM */ -extern unsigned char nvram_read_byte(int i); -extern void nvram_write_byte(unsigned char c, int i); #endif /* _ASM_POWERPC_NVRAM_H */ diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index aee4fcc24990..77fc21278fa2 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -10,6 +10,7 @@ #include <linux/pci.h> #include <linux/list.h> #include <linux/ioport.h> +#include <linux/numa.h> struct device_node; @@ -265,7 +266,7 @@ extern int pcibios_map_io_space(struct pci_bus *bus); #ifdef CONFIG_NUMA #define PHB_SET_NODE(PHB, NODE) ((PHB)->node = (NODE)) #else -#define PHB_SET_NODE(PHB, NODE) ((PHB)->node = -1) +#define PHB_SET_NODE(PHB, NODE) ((PHB)->node = NUMA_NO_NODE) #endif #endif /* CONFIG_PPC64 */ diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 19a8834e0398..f9513ad38fa6 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -337,6 +337,7 @@ #define PPC_INST_DIVWU 0x7c000396 #define PPC_INST_DIVD 0x7c0003d2 #define PPC_INST_RLWINM 0x54000000 +#define PPC_INST_RLWINM_DOT 0x54000001 #define PPC_INST_RLWIMI 0x50000000 #define PPC_INST_RLDICL 0x78000000 #define PPC_INST_RLDICR 0x78000004 diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index e3a731793ea2..4d6d905e9138 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -28,7 +28,6 @@ #define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) #endif -#define get_ds() (KERNEL_DS) #define get_fs() (current->thread.addr_limit) static inline void set_fs(mm_segment_t fs) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index a3c35e6d6ffb..f44dbc65e38e 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -29,8 +29,8 @@ #define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE #define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME +#define __ARCH_WANT_SYS_TIME32 +#define __ARCH_WANT_SYS_UTIME32 #define __ARCH_WANT_SYS_WAITPID #define __ARCH_WANT_SYS_SOCKETCALL #define __ARCH_WANT_SYS_FADVISE64 @@ -45,8 +45,8 @@ #define __ARCH_WANT_OLD_STAT #endif #ifdef CONFIG_PPC64 -#define __ARCH_WANT_COMPAT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME32 +#define __ARCH_WANT_SYS_TIME +#define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_NEWFSTATAT #define __ARCH_WANT_COMPAT_SYS_SENDFILE #endif diff --git a/arch/powerpc/include/uapi/asm/perf_regs.h b/arch/powerpc/include/uapi/asm/perf_regs.h index ff91192407d1..f599064dd8dc 100644 --- a/arch/powerpc/include/uapi/asm/perf_regs.h +++ b/arch/powerpc/include/uapi/asm/perf_regs.h @@ -47,6 +47,7 @@ enum perf_event_powerpc_regs { PERF_REG_POWERPC_DAR, PERF_REG_POWERPC_DSISR, PERF_REG_POWERPC_SIER, + PERF_REG_POWERPC_MMCRA, PERF_REG_POWERPC_MAX, }; #endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */ diff --git a/arch/powerpc/include/uapi/asm/socket.h b/arch/powerpc/include/uapi/asm/socket.h index 94de465e0920..12aa0c43e775 100644 --- a/arch/powerpc/include/uapi/asm/socket.h +++ b/arch/powerpc/include/uapi/asm/socket.h @@ -11,8 +11,8 @@ #define SO_RCVLOWAT 16 #define SO_SNDLOWAT 17 -#define SO_RCVTIMEO 18 -#define SO_SNDTIMEO 19 +#define SO_RCVTIMEO_OLD 18 +#define SO_SNDTIMEO_OLD 19 #define SO_PASSCRED 20 #define SO_PEERCRED 21 diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 57deb1e9ffea..20cc816b3508 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -852,11 +852,12 @@ start_here: /* set up the PTE pointers for the Abatron bdiGDB. */ - tovirt(r6,r6) lis r5, abatron_pteptrs@h ori r5, r5, abatron_pteptrs@l stw r5, 0xf0(0) /* Must match your Abatron config file */ tophys(r5,r5) + lis r6, swapper_pg_dir@h + ori r6, r6, swapper_pg_dir@l stw r6, 0(r5) /* Now turn on the MMU for real! */ diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c index 38b03a330cd2..244d2462e781 100644 --- a/arch/powerpc/kernel/nvram_64.c +++ b/arch/powerpc/kernel/nvram_64.c @@ -7,12 +7,6 @@ * 2 of the License, or (at your option) any later version. * * /dev/nvram driver for PPC64 - * - * This perhaps should live in drivers/char - * - * TODO: Split the /dev/nvram part (that one can use - * drivers/char/generic_nvram.c) from the arch & partition - * parsing code. */ #include <linux/types.h> @@ -714,137 +708,6 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, spin_unlock_irqrestore(&lock, flags); } -static loff_t dev_nvram_llseek(struct file *file, loff_t offset, int origin) -{ - if (ppc_md.nvram_size == NULL) - return -ENODEV; - return generic_file_llseek_size(file, offset, origin, MAX_LFS_FILESIZE, - ppc_md.nvram_size()); -} - - -static ssize_t dev_nvram_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - ssize_t ret; - char *tmp = NULL; - ssize_t size; - - if (!ppc_md.nvram_size) { - ret = -ENODEV; - goto out; - } - - size = ppc_md.nvram_size(); - if (size < 0) { - ret = size; - goto out; - } - - if (*ppos >= size) { - ret = 0; - goto out; - } - - count = min_t(size_t, count, size - *ppos); - count = min(count, PAGE_SIZE); - - tmp = kmalloc(count, GFP_KERNEL); - if (!tmp) { - ret = -ENOMEM; - goto out; - } - - ret = ppc_md.nvram_read(tmp, count, ppos); - if (ret <= 0) - goto out; - - if (copy_to_user(buf, tmp, ret)) - ret = -EFAULT; - -out: - kfree(tmp); - return ret; - -} - -static ssize_t dev_nvram_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - ssize_t ret; - char *tmp = NULL; - ssize_t size; - - ret = -ENODEV; - if (!ppc_md.nvram_size) - goto out; - - ret = 0; - size = ppc_md.nvram_size(); - if (*ppos >= size || size < 0) - goto out; - - count = min_t(size_t, count, size - *ppos); - count = min(count, PAGE_SIZE); - - tmp = memdup_user(buf, count); - if (IS_ERR(tmp)) { - ret = PTR_ERR(tmp); - goto out; - } - - ret = ppc_md.nvram_write(tmp, count, ppos); - - kfree(tmp); -out: - return ret; -} - -static long dev_nvram_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) -{ - switch(cmd) { -#ifdef CONFIG_PPC_PMAC - case OBSOLETE_PMAC_NVRAM_GET_OFFSET: - printk(KERN_WARNING "nvram: Using obsolete PMAC_NVRAM_GET_OFFSET ioctl\n"); - /* fall through */ - case IOC_NVRAM_GET_OFFSET: { - int part, offset; - - if (!machine_is(powermac)) - return -EINVAL; - if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0) - return -EFAULT; - if (part < pmac_nvram_OF || part > pmac_nvram_NR) - return -EINVAL; - offset = pmac_get_partition(part); - if (offset < 0) - return offset; - if (copy_to_user((void __user*)arg, &offset, sizeof(offset)) != 0) - return -EFAULT; - return 0; - } -#endif /* CONFIG_PPC_PMAC */ - default: - return -EINVAL; - } -} - -static const struct file_operations nvram_fops = { - .owner = THIS_MODULE, - .llseek = dev_nvram_llseek, - .read = dev_nvram_read, - .write = dev_nvram_write, - .unlocked_ioctl = dev_nvram_ioctl, -}; - -static struct miscdevice nvram_dev = { - NVRAM_MINOR, - "nvram", - &nvram_fops -}; - - #ifdef DEBUG_NVRAM static void __init nvram_print_partitions(char * label) { @@ -992,6 +855,8 @@ loff_t __init nvram_create_partition(const char *name, int sig, long size = 0; int rc; + BUILD_BUG_ON(NVRAM_BLOCK_LEN != 16); + /* Convert sizes from bytes to blocks */ req_size = _ALIGN_UP(req_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN; min_size = _ALIGN_UP(min_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN; @@ -1192,22 +1057,3 @@ int __init nvram_scan_partitions(void) kfree(header); return err; } - -static int __init nvram_init(void) -{ - int rc; - - BUILD_BUG_ON(NVRAM_BLOCK_LEN != 16); - - if (ppc_md.nvram_size == NULL || ppc_md.nvram_size() <= 0) - return -ENODEV; - - rc = misc_register(&nvram_dev); - if (rc != 0) { - printk(KERN_ERR "nvram_init: failed to register device\n"); - return rc; - } - - return rc; -} -device_initcall(nvram_init); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index 913bfca09c4f..b8480127793d 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -11,6 +11,7 @@ #include <linux/export.h> #include <linux/memblock.h> #include <linux/sched/task.h> +#include <linux/numa.h> #include <asm/lppaca.h> #include <asm/paca.h> @@ -36,7 +37,7 @@ static void *__init alloc_paca_data(unsigned long size, unsigned long align, * which will put its paca in the right place. */ if (cpu == boot_cpuid) { - nid = -1; + nid = NUMA_NO_NODE; memblock_set_bottom_up(true); } else { nid = early_cpu_to_node(cpu); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 88e4f69a09e5..4538e8ddde80 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -32,6 +32,7 @@ #include <linux/vmalloc.h> #include <linux/slab.h> #include <linux/vgaarb.h> +#include <linux/numa.h> #include <asm/processor.h> #include <asm/io.h> @@ -132,7 +133,7 @@ struct pci_controller *pcibios_alloc_controller(struct device_node *dev) int nid = of_node_to_nid(dev); if (nid < 0 || !node_online(nid)) - nid = -1; + nid = NUMA_NO_NODE; PHB_SET_NODE(phb, nid); } diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 947f904688b0..c31082233a25 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -17,6 +17,7 @@ #include <linux/console.h> #include <linux/memblock.h> #include <linux/export.h> +#include <linux/nvram.h> #include <asm/io.h> #include <asm/prom.h> @@ -147,41 +148,6 @@ static int __init ppc_setup_l3cr(char *str) } __setup("l3cr=", ppc_setup_l3cr); -#ifdef CONFIG_GENERIC_NVRAM - -/* Generic nvram hooks used by drivers/char/gen_nvram.c */ -unsigned char nvram_read_byte(int addr) -{ - if (ppc_md.nvram_read_val) - return ppc_md.nvram_read_val(addr); - return 0xff; -} -EXPORT_SYMBOL(nvram_read_byte); - -void nvram_write_byte(unsigned char val, int addr) -{ - if (ppc_md.nvram_write_val) - ppc_md.nvram_write_val(addr, val); -} -EXPORT_SYMBOL(nvram_write_byte); - -ssize_t nvram_get_size(void) -{ - if (ppc_md.nvram_size) - return ppc_md.nvram_size(); - return -1; -} -EXPORT_SYMBOL(nvram_get_size); - -void nvram_sync(void) -{ - if (ppc_md.nvram_sync) - ppc_md.nvram_sync(); -} -EXPORT_SYMBOL(nvram_sync); - -#endif /* CONFIG_NVRAM */ - static int __init ppc_init(void) { /* clear the progress line */ diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index bd5e6834ca69..6794466f6420 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -755,11 +755,12 @@ SYSCALL_DEFINE0(rt_sigreturn) if (restore_tm_sigcontexts(current, &uc->uc_mcontext, &uc_transact->uc_mcontext)) goto badframe; - } + } else #endif - /* Fall through, for non-TM restore */ - if (!MSR_TM_ACTIVE(msr)) { + { /* + * Fall through, for non-TM restore + * * Unset MSR[TS] on the thread regs since MSR from user * context does not have MSR active, and recheckpoint was * not called since restore_tm_sigcontexts() was not called diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index db3bbb8744af..b18abb0c3dae 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -20,7 +20,9 @@ 10 common unlink sys_unlink 11 nospu execve sys_execve compat_sys_execve 12 common chdir sys_chdir -13 common time sys_time compat_sys_time +13 32 time sys_time32 +13 64 time sys_time +13 spu time sys_time 14 common mknod sys_mknod 15 common chmod sys_chmod 16 common lchown sys_lchown @@ -36,14 +38,17 @@ 22 spu umount sys_ni_syscall 23 common setuid sys_setuid 24 common getuid sys_getuid -25 common stime sys_stime compat_sys_stime +25 32 stime sys_stime32 +25 64 stime sys_stime +25 spu stime sys_stime 26 nospu ptrace sys_ptrace compat_sys_ptrace 27 common alarm sys_alarm 28 32 oldfstat sys_fstat sys_ni_syscall 28 64 oldfstat sys_ni_syscall 28 spu oldfstat sys_ni_syscall 29 nospu pause sys_pause -30 nospu utime sys_utime compat_sys_utime +30 32 utime sys_utime32 +30 64 utime sys_utime 31 common stty sys_ni_syscall 32 common gtty sys_ni_syscall 33 common access sys_access @@ -157,7 +162,9 @@ 121 common setdomainname sys_setdomainname 122 common uname sys_newuname 123 common modify_ldt sys_ni_syscall -124 common adjtimex sys_adjtimex compat_sys_adjtimex +124 32 adjtimex sys_adjtimex_time32 +124 64 adjtimex sys_adjtimex +124 spu adjtimex sys_adjtimex 125 common mprotect sys_mprotect 126 32 sigprocmask sys_sigprocmask compat_sys_sigprocmask 126 64 sigprocmask sys_ni_syscall @@ -198,8 +205,12 @@ 158 common sched_yield sys_sched_yield 159 common sched_get_priority_max sys_sched_get_priority_max 160 common sched_get_priority_min sys_sched_get_priority_min -161 common sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval -162 common nanosleep sys_nanosleep compat_sys_nanosleep +161 32 sched_rr_get_interval sys_sched_rr_get_interval_time32 +161 64 sched_rr_get_interval sys_sched_rr_get_interval +161 spu sched_rr_get_interval sys_sched_rr_get_interval +162 32 nanosleep sys_nanosleep_time32 +162 64 nanosleep sys_nanosleep +162 spu nanosleep sys_nanosleep 163 common mremap sys_mremap 164 common setresuid sys_setresuid 165 common getresuid sys_getresuid @@ -213,7 +224,8 @@ 173 nospu rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction 174 nospu rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask 175 nospu rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending -176 nospu rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait +176 32 rt_sigtimedwait sys_rt_sigtimedwait_time32 compat_sys_rt_sigtimedwait_time32 +176 64 rt_sigtimedwait sys_rt_sigtimedwait 177 nospu rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo 178 nospu rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend 179 common pread64 sys_pread64 compat_sys_pread64 @@ -260,7 +272,9 @@ 218 common removexattr sys_removexattr 219 common lremovexattr sys_lremovexattr 220 common fremovexattr sys_fremovexattr -221 common futex sys_futex compat_sys_futex +221 32 futex sys_futex_time32 +221 64 futex sys_futex +221 spu futex sys_futex 222 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity 223 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity # 224 unused @@ -268,7 +282,9 @@ 226 32 sendfile64 sys_sendfile64 compat_sys_sendfile64 227 common io_setup sys_io_setup compat_sys_io_setup 228 common io_destroy sys_io_destroy -229 common io_getevents sys_io_getevents compat_sys_io_getevents +229 32 io_getevents sys_io_getevents_time32 +229 64 io_getevents sys_io_getevents +229 spu io_getevents sys_io_getevents 230 common io_submit sys_io_submit compat_sys_io_submit 231 common io_cancel sys_io_cancel 232 nospu set_tid_address sys_set_tid_address @@ -280,19 +296,33 @@ 238 common epoll_wait sys_epoll_wait 239 common remap_file_pages sys_remap_file_pages 240 common timer_create sys_timer_create compat_sys_timer_create -241 common timer_settime sys_timer_settime compat_sys_timer_settime -242 common timer_gettime sys_timer_gettime compat_sys_timer_gettime +241 32 timer_settime sys_timer_settime32 +241 64 timer_settime sys_timer_settime +241 spu timer_settime sys_timer_settime +242 32 timer_gettime sys_timer_gettime32 +242 64 timer_gettime sys_timer_gettime +242 spu timer_gettime sys_timer_gettime 243 common timer_getoverrun sys_timer_getoverrun 244 common timer_delete sys_timer_delete -245 common clock_settime sys_clock_settime compat_sys_clock_settime -246 common clock_gettime sys_clock_gettime compat_sys_clock_gettime -247 common clock_getres sys_clock_getres compat_sys_clock_getres -248 common clock_nanosleep sys_clock_nanosleep compat_sys_clock_nanosleep +245 32 clock_settime sys_clock_settime32 +245 64 clock_settime sys_clock_settime +245 spu clock_settime sys_clock_settime +246 32 clock_gettime sys_clock_gettime32 +246 64 clock_gettime sys_clock_gettime +246 spu clock_gettime sys_clock_gettime +247 32 clock_getres sys_clock_getres_time32 +247 64 clock_getres sys_clock_getres +247 spu clock_getres sys_clock_getres +248 32 clock_nanosleep sys_clock_nanosleep_time32 +248 64 clock_nanosleep sys_clock_nanosleep +248 spu clock_nanosleep sys_clock_nanosleep 249 32 swapcontext ppc_swapcontext ppc32_swapcontext 249 64 swapcontext ppc64_swapcontext 249 spu swapcontext sys_ni_syscall 250 common tgkill sys_tgkill -251 common utimes sys_utimes compat_sys_utimes +251 32 utimes sys_utimes_time32 +251 64 utimes sys_utimes +251 spu utimes sys_utimes 252 common statfs64 sys_statfs64 compat_sys_statfs64 253 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 254 32 fadvise64_64 ppc_fadvise64_64 @@ -308,8 +338,10 @@ 261 nospu set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy 262 nospu mq_open sys_mq_open compat_sys_mq_open 263 nospu mq_unlink sys_mq_unlink -264 nospu mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend -265 nospu mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive +264 32 mq_timedsend sys_mq_timedsend_time32 +264 64 mq_timedsend sys_mq_timedsend +265 32 mq_timedreceive sys_mq_timedreceive_time32 +265 64 mq_timedreceive sys_mq_timedreceive 266 nospu mq_notify sys_mq_notify compat_sys_mq_notify 267 nospu mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr 268 nospu kexec_load sys_kexec_load compat_sys_kexec_load @@ -324,8 +356,10 @@ 277 nospu inotify_rm_watch sys_inotify_rm_watch 278 nospu spu_run sys_spu_run 279 nospu spu_create sys_spu_create -280 nospu pselect6 sys_pselect6 compat_sys_pselect6 -281 nospu ppoll sys_ppoll compat_sys_ppoll +280 32 pselect6 sys_pselect6_time32 compat_sys_pselect6_time32 +280 64 pselect6 sys_pselect6 +281 32 ppoll sys_ppoll_time32 compat_sys_ppoll_time32 +281 64 ppoll sys_ppoll 282 common unshare sys_unshare 283 common splice sys_splice 284 common tee sys_tee @@ -334,7 +368,9 @@ 287 common mkdirat sys_mkdirat 288 common mknodat sys_mknodat 289 common fchownat sys_fchownat -290 common futimesat sys_futimesat compat_sys_futimesat +290 32 futimesat sys_futimesat_time32 +290 64 futimesat sys_futimesat +290 spu utimesat sys_futimesat 291 32 fstatat64 sys_fstatat64 291 64 newfstatat sys_newfstatat 291 spu newfstatat sys_newfstatat @@ -350,15 +386,21 @@ 301 common move_pages sys_move_pages compat_sys_move_pages 302 common getcpu sys_getcpu 303 nospu epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait -304 common utimensat sys_utimensat compat_sys_utimensat +304 32 utimensat sys_utimensat_time32 +304 64 utimensat sys_utimensat +304 spu utimensat sys_utimensat 305 common signalfd sys_signalfd compat_sys_signalfd 306 common timerfd_create sys_timerfd_create 307 common eventfd sys_eventfd 308 common sync_file_range2 sys_sync_file_range2 compat_sys_sync_file_range2 309 nospu fallocate sys_fallocate compat_sys_fallocate 310 nospu subpage_prot sys_subpage_prot -311 common timerfd_settime sys_timerfd_settime compat_sys_timerfd_settime -312 common timerfd_gettime sys_timerfd_gettime compat_sys_timerfd_gettime +311 32 timerfd_settime sys_timerfd_settime32 +311 64 timerfd_settime sys_timerfd_settime +311 spu timerfd_settime sys_timerfd_settime +312 32 timerfd_gettime sys_timerfd_gettime32 +312 64 timerfd_gettime sys_timerfd_gettime +312 spu timerfd_gettime sys_timerfd_gettime 313 common signalfd4 sys_signalfd4 compat_sys_signalfd4 314 common eventfd2 sys_eventfd2 315 common epoll_create1 sys_epoll_create1 @@ -389,11 +431,15 @@ 340 common getsockopt sys_getsockopt compat_sys_getsockopt 341 common sendmsg sys_sendmsg compat_sys_sendmsg 342 common recvmsg sys_recvmsg compat_sys_recvmsg -343 common recvmmsg sys_recvmmsg compat_sys_recvmmsg +343 32 recvmmsg sys_recvmmsg_time32 compat_sys_recvmmsg_time32 +343 64 recvmmsg sys_recvmmsg +343 spu recvmmsg sys_recvmmsg 344 common accept4 sys_accept4 345 common name_to_handle_at sys_name_to_handle_at 346 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at -347 common clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime +347 32 clock_adjtime sys_clock_adjtime32 +347 64 clock_adjtime sys_clock_adjtime +347 spu clock_adjtime sys_clock_adjtime 348 common syncfs sys_syncfs 349 common sendmmsg sys_sendmmsg compat_sys_sendmmsg 350 common setns sys_setns @@ -414,6 +460,7 @@ 363 spu switch_endian sys_ni_syscall 364 common userfaultfd sys_userfaultfd 365 common membarrier sys_membarrier +# 366-377 originally left for IPC, now unused 378 nospu mlock2 sys_mlock2 379 nospu copy_file_range sys_copy_file_range 380 common preadv2 sys_preadv2 compat_sys_preadv2 @@ -424,4 +471,37 @@ 385 nospu pkey_free sys_pkey_free 386 nospu pkey_mprotect sys_pkey_mprotect 387 nospu rseq sys_rseq -388 nospu io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents +388 32 io_pgetevents sys_io_pgetevents_time32 compat_sys_io_pgetevents +388 64 io_pgetevents sys_io_pgetevents +# room for arch specific syscalls +392 64 semtimedop sys_semtimedop +393 common semget sys_semget +394 common semctl sys_semctl compat_sys_semctl +395 common shmget sys_shmget +396 common shmctl sys_shmctl compat_sys_shmctl +397 common shmat sys_shmat compat_sys_shmat +398 common shmdt sys_shmdt +399 common msgget sys_msgget +400 common msgsnd sys_msgsnd compat_sys_msgsnd +401 common msgrcv sys_msgrcv compat_sys_msgrcv +402 common msgctl sys_msgctl compat_sys_msgctl +403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime +404 32 clock_settime64 sys_clock_settime sys_clock_settime +405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime +406 32 clock_getres_time64 sys_clock_getres sys_clock_getres +407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep +408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime +409 32 timer_settime64 sys_timer_settime sys_timer_settime +410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime +411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime +412 32 utimensat_time64 sys_utimensat sys_utimensat +413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 +414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 +416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 +418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend +419 32 mq_timedreceive_time64 sys_mq_timedreceive sys_mq_timedreceive +420 32 semtimedop_time64 sys_semtimedop sys_semtimedop +421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +422 32 futex_time64 sys_futex sys_futex +423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index 29746dc28df5..517662a56bdc 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -967,13 +967,6 @@ out: } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ -#if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_PPC64) -unsigned long __init arch_syscall_addr(int nr) -{ - return sys_call_table[nr*2]; -} -#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_PPC64 */ - #ifdef PPC64_ELF_ABI_v1 char *arch_ftrace_match_adjust(char *str, const char *search) { diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 7725a9714736..a31b6234fcd7 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -798,7 +798,6 @@ static int __init vdso_init(void) BUG_ON(vdso32_pagelist == NULL); for (i = 0; i < vdso32_pages; i++) { struct page *pg = virt_to_page(vdso32_kbase + i*PAGE_SIZE); - ClearPageReserved(pg); get_page(pg); vdso32_pagelist[i] = pg; } @@ -812,7 +811,6 @@ static int __init vdso_init(void) BUG_ON(vdso64_pagelist == NULL); for (i = 0; i < vdso64_pages; i++) { struct page *pg = virt_to_page(vdso64_kbase + i*PAGE_SIZE); - ClearPageReserved(pg); get_page(pg); vdso64_pagelist[i] = pg; } diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c index 2e6a8f9345d3..367ce3a4a503 100644 --- a/arch/powerpc/mm/hugetlbpage-hash64.c +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -121,3 +121,28 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, *ptep = __pte(new_pte & ~H_PAGE_BUSY); return 0; } + +pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ + unsigned long pte_val; + /* + * Clear the _PAGE_PRESENT so that no hardware parallel update is + * possible. Also keep the pte_present true so that we don't take + * wrong fault. + */ + pte_val = pte_update(vma->vm_mm, addr, ptep, + _PAGE_PRESENT, _PAGE_INVALID, 1); + + return __pte(pte_val); +} + +void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, pte_t old_pte, pte_t pte) +{ + + if (radix_enabled()) + return radix__huge_ptep_modify_prot_commit(vma, addr, ptep, + old_pte, pte); + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); +} diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 2486bee0f93e..11d9ea28a816 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -90,3 +90,20 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, return vm_unmapped_area(&info); } + +void radix__huge_ptep_modify_prot_commit(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t old_pte, pte_t pte) +{ + struct mm_struct *mm = vma->vm_mm; + + /* + * To avoid NMMU hang while relaxing access we need to flush the tlb before + * we set the new value. + */ + if (is_pte_rw_upgrade(pte_val(old_pte), pte_val(pte)) && + (atomic_read(&mm->context.copros) > 0)) + radix__flush_hugetlb_page(vma, addr); + + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); +} diff --git a/arch/powerpc/mm/mmu_context_iommu.c b/arch/powerpc/mm/mmu_context_iommu.c index a712a650a8b6..e7a9c4f6bfca 100644 --- a/arch/powerpc/mm/mmu_context_iommu.c +++ b/arch/powerpc/mm/mmu_context_iommu.c @@ -21,6 +21,7 @@ #include <linux/sizes.h> #include <asm/mmu_context.h> #include <asm/pte-walk.h> +#include <linux/mm_inline.h> static DEFINE_MUTEX(mem_list_mutex); @@ -34,8 +35,18 @@ struct mm_iommu_table_group_mem_t { atomic64_t mapped; unsigned int pageshift; u64 ua; /* userspace address */ - u64 entries; /* number of entries in hpas[] */ - u64 *hpas; /* vmalloc'ed */ + u64 entries; /* number of entries in hpas/hpages[] */ + /* + * in mm_iommu_get we temporarily use this to store + * struct page address. + * + * We need to convert ua to hpa in real mode. Make it + * simpler by storing physical address. + */ + union { + struct page **hpages; /* vmalloc'ed */ + phys_addr_t *hpas; + }; #define MM_IOMMU_TABLE_INVALID_HPA ((uint64_t)-1) u64 dev_hpa; /* Device memory base address */ }; @@ -80,64 +91,13 @@ bool mm_iommu_preregistered(struct mm_struct *mm) } EXPORT_SYMBOL_GPL(mm_iommu_preregistered); -/* - * Taken from alloc_migrate_target with changes to remove CMA allocations - */ -struct page *new_iommu_non_cma_page(struct page *page, unsigned long private) -{ - gfp_t gfp_mask = GFP_USER; - struct page *new_page; - - if (PageCompound(page)) - return NULL; - - if (PageHighMem(page)) - gfp_mask |= __GFP_HIGHMEM; - - /* - * We don't want the allocation to force an OOM if possibe - */ - new_page = alloc_page(gfp_mask | __GFP_NORETRY | __GFP_NOWARN); - return new_page; -} - -static int mm_iommu_move_page_from_cma(struct page *page) -{ - int ret = 0; - LIST_HEAD(cma_migrate_pages); - - /* Ignore huge pages for now */ - if (PageCompound(page)) - return -EBUSY; - - lru_add_drain(); - ret = isolate_lru_page(page); - if (ret) - return ret; - - list_add(&page->lru, &cma_migrate_pages); - put_page(page); /* Drop the gup reference */ - - ret = migrate_pages(&cma_migrate_pages, new_iommu_non_cma_page, - NULL, 0, MIGRATE_SYNC, MR_CONTIG_RANGE); - if (ret) { - if (!list_empty(&cma_migrate_pages)) - putback_movable_pages(&cma_migrate_pages); - } - - return 0; -} - static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua, - unsigned long entries, unsigned long dev_hpa, - struct mm_iommu_table_group_mem_t **pmem) + unsigned long entries, unsigned long dev_hpa, + struct mm_iommu_table_group_mem_t **pmem) { struct mm_iommu_table_group_mem_t *mem; - long i, j, ret = 0, locked_entries = 0; + long i, ret, locked_entries = 0; unsigned int pageshift; - unsigned long flags; - unsigned long cur_ua; - struct page *page = NULL; mutex_lock(&mem_list_mutex); @@ -187,62 +147,43 @@ static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua, goto unlock_exit; } + down_read(&mm->mmap_sem); + ret = get_user_pages_longterm(ua, entries, FOLL_WRITE, mem->hpages, NULL); + up_read(&mm->mmap_sem); + if (ret != entries) { + /* free the reference taken */ + for (i = 0; i < ret; i++) + put_page(mem->hpages[i]); + + vfree(mem->hpas); + kfree(mem); + ret = -EFAULT; + goto unlock_exit; + } + + pageshift = PAGE_SHIFT; for (i = 0; i < entries; ++i) { - cur_ua = ua + (i << PAGE_SHIFT); - if (1 != get_user_pages_fast(cur_ua, - 1/* pages */, 1/* iswrite */, &page)) { - ret = -EFAULT; - for (j = 0; j < i; ++j) - put_page(pfn_to_page(mem->hpas[j] >> - PAGE_SHIFT)); - vfree(mem->hpas); - kfree(mem); - goto unlock_exit; - } + struct page *page = mem->hpages[i]; + /* - * If we get a page from the CMA zone, since we are going to - * be pinning these entries, we might as well move them out - * of the CMA zone if possible. NOTE: faulting in + migration - * can be expensive. Batching can be considered later + * Allow to use larger than 64k IOMMU pages. Only do that + * if we are backed by hugetlb. */ - if (is_migrate_cma_page(page)) { - if (mm_iommu_move_page_from_cma(page)) - goto populate; - if (1 != get_user_pages_fast(cur_ua, - 1/* pages */, 1/* iswrite */, - &page)) { - ret = -EFAULT; - for (j = 0; j < i; ++j) - put_page(pfn_to_page(mem->hpas[j] >> - PAGE_SHIFT)); - vfree(mem->hpas); - kfree(mem); - goto unlock_exit; - } - } -populate: - pageshift = PAGE_SHIFT; - if (mem->pageshift > PAGE_SHIFT && PageCompound(page)) { - pte_t *pte; + if ((mem->pageshift > PAGE_SHIFT) && PageHuge(page)) { struct page *head = compound_head(page); - unsigned int compshift = compound_order(head); - unsigned int pteshift; - - local_irq_save(flags); /* disables as well */ - pte = find_linux_pte(mm->pgd, cur_ua, NULL, &pteshift); - - /* Double check it is still the same pinned page */ - if (pte && pte_page(*pte) == head && - pteshift == compshift + PAGE_SHIFT) - pageshift = max_t(unsigned int, pteshift, - PAGE_SHIFT); - local_irq_restore(flags); + + pageshift = compound_order(head) + PAGE_SHIFT; } mem->pageshift = min(mem->pageshift, pageshift); + /* + * We don't need struct page reference any more, switch + * to physical address. + */ mem->hpas[i] = page_to_pfn(page) << PAGE_SHIFT; } good_exit: + ret = 0; atomic64_set(&mem->mapped, 1); mem->used = 1; mem->ua = ua; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 87f0dd004295..df1e11ebbabb 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -84,7 +84,7 @@ static void __init setup_node_to_cpumask_map(void) alloc_bootmem_cpumask_var(&node_to_cpumask_map[node]); /* cpumask_of_node() will now work */ - dbg("Node to cpumask map for %d nodes\n", nr_node_ids); + dbg("Node to cpumask map for %u nodes\n", nr_node_ids); } static int __init fake_numa_create_new_node(unsigned long end_pfn, @@ -215,7 +215,7 @@ static void initialize_distance_lookup_table(int nid, */ static int associativity_to_nid(const __be32 *associativity) { - int nid = -1; + int nid = NUMA_NO_NODE; if (min_common_depth == -1) goto out; @@ -225,7 +225,7 @@ static int associativity_to_nid(const __be32 *associativity) /* POWER4 LPAR uses 0xffff as invalid node */ if (nid == 0xffff || nid >= MAX_NUMNODES) - nid = -1; + nid = NUMA_NO_NODE; if (nid > 0 && of_read_number(associativity, 1) >= distance_ref_points_depth) { @@ -244,7 +244,7 @@ out: */ static int of_node_to_nid_single(struct device_node *device) { - int nid = -1; + int nid = NUMA_NO_NODE; const __be32 *tmp; tmp = of_get_associativity(device); @@ -256,7 +256,7 @@ static int of_node_to_nid_single(struct device_node *device) /* Walk the device tree upwards, looking for an associativity id */ int of_node_to_nid(struct device_node *device) { - int nid = -1; + int nid = NUMA_NO_NODE; of_node_get(device); while (device) { @@ -454,7 +454,7 @@ static int of_drconf_to_nid_single(struct drmem_lmb *lmb) */ static int numa_setup_cpu(unsigned long lcpu) { - int nid = -1; + int nid = NUMA_NO_NODE; struct device_node *cpu; /* @@ -930,7 +930,7 @@ static int hot_add_drconf_scn_to_nid(unsigned long scn_addr) { struct drmem_lmb *lmb; unsigned long lmb_size; - int nid = -1; + int nid = NUMA_NO_NODE; lmb_size = drmem_lmb_size(); @@ -960,7 +960,7 @@ static int hot_add_drconf_scn_to_nid(unsigned long scn_addr) static int hot_add_node_scn_to_nid(unsigned long scn_addr) { struct device_node *memory; - int nid = -1; + int nid = NUMA_NO_NODE; for_each_node_by_type(memory, "memory") { unsigned long start, size; diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index f3c31f5e1026..e7da590c7a78 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -400,3 +400,50 @@ void arch_report_meminfo(struct seq_file *m) atomic_long_read(&direct_pages_count[MMU_PAGE_1G]) << 20); } #endif /* CONFIG_PROC_FS */ + +pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep) +{ + unsigned long pte_val; + + /* + * Clear the _PAGE_PRESENT so that no hardware parallel update is + * possible. Also keep the pte_present true so that we don't take + * wrong fault. + */ + pte_val = pte_update(vma->vm_mm, addr, ptep, _PAGE_PRESENT, _PAGE_INVALID, 0); + + return __pte(pte_val); + +} + +void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, pte_t old_pte, pte_t pte) +{ + if (radix_enabled()) + return radix__ptep_modify_prot_commit(vma, addr, + ptep, old_pte, pte); + set_pte_at(vma->vm_mm, addr, ptep, pte); +} + +/* + * For hash translation mode, we use the deposited table to store hash slot + * information and they are stored at PTRS_PER_PMD offset from related pmd + * location. Hence a pmd move requires deposit and withdraw. + * + * For radix translation with split pmd ptl, we store the deposited table in the + * pmd page. Hence if we have different pmd page we need to withdraw during pmd + * move. + * + * With hash we use deposited table always irrespective of anon or not. + * With radix we use deposited table only for anonymous mapping. + */ +int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, + struct spinlock *old_pmd_ptl, + struct vm_area_struct *vma) +{ + if (radix_enabled()) + return (new_pmd_ptl != old_pmd_ptl) && vma_is_anonymous(vma); + + return true; +} diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index 931156069a81..dced3cd241c2 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -1063,3 +1063,21 @@ void radix__ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep, } /* See ptesync comment in radix__set_pte_at */ } + +void radix__ptep_modify_prot_commit(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t old_pte, pte_t pte) +{ + struct mm_struct *mm = vma->vm_mm; + + /* + * To avoid NMMU hang while relaxing access we need to flush the tlb before + * we set the new value. We need to do this only for radix, because hash + * translation does flush when updating the linux pte. + */ + if (is_pte_rw_upgrade(pte_val(old_pte), pte_val(pte)) && + (atomic_read(&mm->context.copros) > 0)) + radix__flush_tlb_page(vma, addr); + + set_pte_at(mm, addr, ptep, pte); +} diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index c2d5192ed64f..549e9490ff2a 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -165,6 +165,10 @@ #define PPC_RLWINM(d, a, i, mb, me) EMIT(PPC_INST_RLWINM | ___PPC_RA(d) | \ ___PPC_RS(a) | __PPC_SH(i) | \ __PPC_MB(mb) | __PPC_ME(me)) +#define PPC_RLWINM_DOT(d, a, i, mb, me) EMIT(PPC_INST_RLWINM_DOT | \ + ___PPC_RA(d) | ___PPC_RS(a) | \ + __PPC_SH(i) | __PPC_MB(mb) | \ + __PPC_ME(me)) #define PPC_RLWIMI(d, a, i, mb, me) EMIT(PPC_INST_RLWIMI | ___PPC_RA(d) | \ ___PPC_RS(a) | __PPC_SH(i) | \ __PPC_MB(mb) | __PPC_ME(me)) diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index 7ce57657d3b8..4194d3cfb60c 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -768,36 +768,58 @@ emit_clear: case BPF_JMP | BPF_JGT | BPF_X: case BPF_JMP | BPF_JSGT | BPF_K: case BPF_JMP | BPF_JSGT | BPF_X: + case BPF_JMP32 | BPF_JGT | BPF_K: + case BPF_JMP32 | BPF_JGT | BPF_X: + case BPF_JMP32 | BPF_JSGT | BPF_K: + case BPF_JMP32 | BPF_JSGT | BPF_X: true_cond = COND_GT; goto cond_branch; case BPF_JMP | BPF_JLT | BPF_K: case BPF_JMP | BPF_JLT | BPF_X: case BPF_JMP | BPF_JSLT | BPF_K: case BPF_JMP | BPF_JSLT | BPF_X: + case BPF_JMP32 | BPF_JLT | BPF_K: + case BPF_JMP32 | BPF_JLT | BPF_X: + case BPF_JMP32 | BPF_JSLT | BPF_K: + case BPF_JMP32 | BPF_JSLT | BPF_X: true_cond = COND_LT; goto cond_branch; case BPF_JMP | BPF_JGE | BPF_K: case BPF_JMP | BPF_JGE | BPF_X: case BPF_JMP | BPF_JSGE | BPF_K: case BPF_JMP | BPF_JSGE | BPF_X: + case BPF_JMP32 | BPF_JGE | BPF_K: + case BPF_JMP32 | BPF_JGE | BPF_X: + case BPF_JMP32 | BPF_JSGE | BPF_K: + case BPF_JMP32 | BPF_JSGE | BPF_X: true_cond = COND_GE; goto cond_branch; case BPF_JMP | BPF_JLE | BPF_K: case BPF_JMP | BPF_JLE | BPF_X: case BPF_JMP | BPF_JSLE | BPF_K: case BPF_JMP | BPF_JSLE | BPF_X: + case BPF_JMP32 | BPF_JLE | BPF_K: + case BPF_JMP32 | BPF_JLE | BPF_X: + case BPF_JMP32 | BPF_JSLE | BPF_K: + case BPF_JMP32 | BPF_JSLE | BPF_X: true_cond = COND_LE; goto cond_branch; case BPF_JMP | BPF_JEQ | BPF_K: case BPF_JMP | BPF_JEQ | BPF_X: + case BPF_JMP32 | BPF_JEQ | BPF_K: + case BPF_JMP32 | BPF_JEQ | BPF_X: true_cond = COND_EQ; goto cond_branch; case BPF_JMP | BPF_JNE | BPF_K: case BPF_JMP | BPF_JNE | BPF_X: + case BPF_JMP32 | BPF_JNE | BPF_K: + case BPF_JMP32 | BPF_JNE | BPF_X: true_cond = COND_NE; goto cond_branch; case BPF_JMP | BPF_JSET | BPF_K: case BPF_JMP | BPF_JSET | BPF_X: + case BPF_JMP32 | BPF_JSET | BPF_K: + case BPF_JMP32 | BPF_JSET | BPF_X: true_cond = COND_NE; /* Fall through */ @@ -809,18 +831,44 @@ cond_branch: case BPF_JMP | BPF_JLE | BPF_X: case BPF_JMP | BPF_JEQ | BPF_X: case BPF_JMP | BPF_JNE | BPF_X: + case BPF_JMP32 | BPF_JGT | BPF_X: + case BPF_JMP32 | BPF_JLT | BPF_X: + case BPF_JMP32 | BPF_JGE | BPF_X: + case BPF_JMP32 | BPF_JLE | BPF_X: + case BPF_JMP32 | BPF_JEQ | BPF_X: + case BPF_JMP32 | BPF_JNE | BPF_X: /* unsigned comparison */ - PPC_CMPLD(dst_reg, src_reg); + if (BPF_CLASS(code) == BPF_JMP32) + PPC_CMPLW(dst_reg, src_reg); + else + PPC_CMPLD(dst_reg, src_reg); break; case BPF_JMP | BPF_JSGT | BPF_X: case BPF_JMP | BPF_JSLT | BPF_X: case BPF_JMP | BPF_JSGE | BPF_X: case BPF_JMP | BPF_JSLE | BPF_X: + case BPF_JMP32 | BPF_JSGT | BPF_X: + case BPF_JMP32 | BPF_JSLT | BPF_X: + case BPF_JMP32 | BPF_JSGE | BPF_X: + case BPF_JMP32 | BPF_JSLE | BPF_X: /* signed comparison */ - PPC_CMPD(dst_reg, src_reg); + if (BPF_CLASS(code) == BPF_JMP32) + PPC_CMPW(dst_reg, src_reg); + else + PPC_CMPD(dst_reg, src_reg); break; case BPF_JMP | BPF_JSET | BPF_X: - PPC_AND_DOT(b2p[TMP_REG_1], dst_reg, src_reg); + case BPF_JMP32 | BPF_JSET | BPF_X: + if (BPF_CLASS(code) == BPF_JMP) { + PPC_AND_DOT(b2p[TMP_REG_1], dst_reg, + src_reg); + } else { + int tmp_reg = b2p[TMP_REG_1]; + + PPC_AND(tmp_reg, dst_reg, src_reg); + PPC_RLWINM_DOT(tmp_reg, tmp_reg, 0, 0, + 31); + } break; case BPF_JMP | BPF_JNE | BPF_K: case BPF_JMP | BPF_JEQ | BPF_K: @@ -828,43 +876,87 @@ cond_branch: case BPF_JMP | BPF_JLT | BPF_K: case BPF_JMP | BPF_JGE | BPF_K: case BPF_JMP | BPF_JLE | BPF_K: + case BPF_JMP32 | BPF_JNE | BPF_K: + case BPF_JMP32 | BPF_JEQ | BPF_K: + case BPF_JMP32 | BPF_JGT | BPF_K: + case BPF_JMP32 | BPF_JLT | BPF_K: + case BPF_JMP32 | BPF_JGE | BPF_K: + case BPF_JMP32 | BPF_JLE | BPF_K: + { + bool is_jmp32 = BPF_CLASS(code) == BPF_JMP32; + /* * Need sign-extended load, so only positive * values can be used as imm in cmpldi */ - if (imm >= 0 && imm < 32768) - PPC_CMPLDI(dst_reg, imm); - else { + if (imm >= 0 && imm < 32768) { + if (is_jmp32) + PPC_CMPLWI(dst_reg, imm); + else + PPC_CMPLDI(dst_reg, imm); + } else { /* sign-extending load */ PPC_LI32(b2p[TMP_REG_1], imm); /* ... but unsigned comparison */ - PPC_CMPLD(dst_reg, b2p[TMP_REG_1]); + if (is_jmp32) + PPC_CMPLW(dst_reg, + b2p[TMP_REG_1]); + else + PPC_CMPLD(dst_reg, + b2p[TMP_REG_1]); } break; + } case BPF_JMP | BPF_JSGT | BPF_K: case BPF_JMP | BPF_JSLT | BPF_K: case BPF_JMP | BPF_JSGE | BPF_K: case BPF_JMP | BPF_JSLE | BPF_K: + case BPF_JMP32 | BPF_JSGT | BPF_K: + case BPF_JMP32 | BPF_JSLT | BPF_K: + case BPF_JMP32 | BPF_JSGE | BPF_K: + case BPF_JMP32 | BPF_JSLE | BPF_K: + { + bool is_jmp32 = BPF_CLASS(code) == BPF_JMP32; + /* * signed comparison, so any 16-bit value * can be used in cmpdi */ - if (imm >= -32768 && imm < 32768) - PPC_CMPDI(dst_reg, imm); - else { + if (imm >= -32768 && imm < 32768) { + if (is_jmp32) + PPC_CMPWI(dst_reg, imm); + else + PPC_CMPDI(dst_reg, imm); + } else { PPC_LI32(b2p[TMP_REG_1], imm); - PPC_CMPD(dst_reg, b2p[TMP_REG_1]); + if (is_jmp32) + PPC_CMPW(dst_reg, + b2p[TMP_REG_1]); + else + PPC_CMPD(dst_reg, + b2p[TMP_REG_1]); } break; + } case BPF_JMP | BPF_JSET | BPF_K: + case BPF_JMP32 | BPF_JSET | BPF_K: /* andi does not sign-extend the immediate */ if (imm >= 0 && imm < 32768) /* PPC_ANDI is _only/always_ dot-form */ PPC_ANDI(b2p[TMP_REG_1], dst_reg, imm); else { - PPC_LI32(b2p[TMP_REG_1], imm); - PPC_AND_DOT(b2p[TMP_REG_1], dst_reg, - b2p[TMP_REG_1]); + int tmp_reg = b2p[TMP_REG_1]; + + PPC_LI32(tmp_reg, imm); + if (BPF_CLASS(code) == BPF_JMP) { + PPC_AND_DOT(tmp_reg, dst_reg, + tmp_reg); + } else { + PPC_AND(tmp_reg, dst_reg, + tmp_reg); + PPC_RLWINM_DOT(tmp_reg, tmp_reg, + 0, 0, 31); + } } break; } @@ -1093,6 +1185,7 @@ skip_codegen_passes: bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + (bpf_hdr->pages * PAGE_SIZE)); if (!fp->is_func || extra_pass) { + bpf_prog_fill_jited_linfo(fp, addrs); out_addrs: kfree(addrs); kfree(jit_data); diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 72238eedc360..d2b8e6061933 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -1306,15 +1306,6 @@ static int h_24x7_event_init(struct perf_event *event) return -EINVAL; } - /* unsupported modes and filters */ - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest) - return -EINVAL; - /* no branch sampling */ if (has_branch_stack(event)) return -EOPNOTSUPP; @@ -1577,6 +1568,7 @@ static struct pmu h_24x7_pmu = { .start_txn = h_24x7_event_start_txn, .commit_txn = h_24x7_event_commit_txn, .cancel_txn = h_24x7_event_cancel_txn, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; static int hv_24x7_init(void) diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 43fabb3cae0f..735e77b09cdb 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -232,15 +232,6 @@ static int h_gpci_event_init(struct perf_event *event) return -EINVAL; } - /* unsupported modes and filters */ - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest) - return -EINVAL; - /* no branch sampling */ if (has_branch_stack(event)) return -EOPNOTSUPP; @@ -285,6 +276,7 @@ static struct pmu h_gpci_pmu = { .start = h_gpci_event_start, .stop = h_gpci_event_stop, .read = h_gpci_event_update, + .capabilities = PERF_PMU_CAP_NO_EXCLUDE, }; static int hv_gpci_init(void) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index f292a3f284f1..b1c37cc3fa98 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -473,15 +473,6 @@ static int nest_imc_event_init(struct perf_event *event) if (event->hw.sample_period) return -EINVAL; - /* unsupported modes and filters */ - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest) - return -EINVAL; - if (event->cpu < 0) return -EINVAL; @@ -748,15 +739,6 @@ static int core_imc_event_init(struct perf_event *event) if (event->hw.sample_period) return -EINVAL; - /* unsupported modes and filters */ - if (event->attr.exclude_user || - event->attr.exclude_kernel || - event->attr.exclude_hv || - event->attr.exclude_idle || - event->attr.exclude_host || - event->attr.exclude_guest) - return -EINVAL; - if (event->cpu < 0) return -EINVAL; @@ -1069,6 +1051,7 @@ static int update_pmu_ops(struct imc_pmu *pmu) pmu->pmu.stop = imc_event_stop; pmu->pmu.read = imc_event_update; pmu->pmu.attr_groups = pmu->attr_groups; + pmu->pmu.capabilities = PERF_PMU_CAP_NO_EXCLUDE; pmu->attr_groups[IMC_FORMAT_ATTR] = &imc_format_group; switch (pmu->domain) { diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c index 5c36b3a8d47a..3349f3f8fe84 100644 --- a/arch/powerpc/perf/perf_regs.c +++ b/arch/powerpc/perf/perf_regs.c @@ -70,6 +70,7 @@ static unsigned int pt_regs_offset[PERF_REG_POWERPC_MAX] = { PT_REGS_OFFSET(PERF_REG_POWERPC_DAR, dar), PT_REGS_OFFSET(PERF_REG_POWERPC_DSISR, dsisr), PT_REGS_OFFSET(PERF_REG_POWERPC_SIER, dar), + PT_REGS_OFFSET(PERF_REG_POWERPC_MMCRA, dsisr), }; u64 perf_reg_value(struct pt_regs *regs, int idx) @@ -83,6 +84,11 @@ u64 perf_reg_value(struct pt_regs *regs, int idx) !is_sier_available())) return 0; + if (idx == PERF_REG_POWERPC_MMCRA && + (IS_ENABLED(CONFIG_FSL_EMB_PERF_EVENT) || + IS_ENABLED(CONFIG_PPC32))) + return 0; + return regs_get_register(regs, pt_regs_offset[idx]); } diff --git a/arch/powerpc/platforms/4xx/ocm.c b/arch/powerpc/platforms/4xx/ocm.c index a1aaa1569d7c..f0e488d97567 100644 --- a/arch/powerpc/platforms/4xx/ocm.c +++ b/arch/powerpc/platforms/4xx/ocm.c @@ -237,12 +237,12 @@ static int ocm_debugfs_show(struct seq_file *m, void *v) continue; seq_printf(m, "PPC4XX OCM : %d\n", ocm->index); - seq_printf(m, "PhysAddr : %pa[p]\n", &(ocm->phys)); + seq_printf(m, "PhysAddr : %pa\n", &(ocm->phys)); seq_printf(m, "MemTotal : %d Bytes\n", ocm->memtotal); seq_printf(m, "MemTotal(NC) : %d Bytes\n", ocm->nc.memtotal); seq_printf(m, "MemTotal(C) : %d Bytes\n\n", ocm->c.memtotal); - seq_printf(m, "NC.PhysAddr : %pa[p]\n", &(ocm->nc.phys)); + seq_printf(m, "NC.PhysAddr : %pa\n", &(ocm->nc.phys)); seq_printf(m, "NC.VirtAddr : 0x%p\n", ocm->nc.virt); seq_printf(m, "NC.MemTotal : %d Bytes\n", ocm->nc.memtotal); seq_printf(m, "NC.MemFree : %d Bytes\n", ocm->nc.memfree); @@ -252,7 +252,7 @@ static int ocm_debugfs_show(struct seq_file *m, void *v) blk->size, blk->owner); } - seq_printf(m, "\nC.PhysAddr : %pa[p]\n", &(ocm->c.phys)); + seq_printf(m, "\nC.PhysAddr : %pa\n", &(ocm->c.phys)); seq_printf(m, "C.VirtAddr : 0x%p\n", ocm->c.virt); seq_printf(m, "C.MemTotal : %d Bytes\n", ocm->c.memtotal); seq_printf(m, "C.MemFree : %d Bytes\n", ocm->c.memfree); diff --git a/arch/powerpc/platforms/chrp/Makefile b/arch/powerpc/platforms/chrp/Makefile index 4b3bfadc70fa..dc3465cc8bc6 100644 --- a/arch/powerpc/platforms/chrp/Makefile +++ b/arch/powerpc/platforms/chrp/Makefile @@ -1,3 +1,3 @@ obj-y += setup.o time.o pegasos_eth.o pci.o obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_NVRAM) += nvram.o +obj-$(CONFIG_NVRAM:m=y) += nvram.o diff --git a/arch/powerpc/platforms/chrp/nvram.c b/arch/powerpc/platforms/chrp/nvram.c index 791b86398e1d..37ac20ccbb19 100644 --- a/arch/powerpc/platforms/chrp/nvram.c +++ b/arch/powerpc/platforms/chrp/nvram.c @@ -24,7 +24,7 @@ static unsigned int nvram_size; static unsigned char nvram_buf[4]; static DEFINE_SPINLOCK(nvram_lock); -static unsigned char chrp_nvram_read(int addr) +static unsigned char chrp_nvram_read_val(int addr) { unsigned int done; unsigned long flags; @@ -46,7 +46,7 @@ static unsigned char chrp_nvram_read(int addr) return ret; } -static void chrp_nvram_write(int addr, unsigned char val) +static void chrp_nvram_write_val(int addr, unsigned char val) { unsigned int done; unsigned long flags; @@ -64,6 +64,11 @@ static void chrp_nvram_write(int addr, unsigned char val) spin_unlock_irqrestore(&nvram_lock, flags); } +static ssize_t chrp_nvram_size(void) +{ + return nvram_size; +} + void __init chrp_nvram_init(void) { struct device_node *nvram; @@ -85,8 +90,9 @@ void __init chrp_nvram_init(void) printk(KERN_INFO "CHRP nvram contains %u bytes\n", nvram_size); of_node_put(nvram); - ppc_md.nvram_read_val = chrp_nvram_read; - ppc_md.nvram_write_val = chrp_nvram_write; + ppc_md.nvram_read_val = chrp_nvram_read_val; + ppc_md.nvram_write_val = chrp_nvram_write_val; + ppc_md.nvram_size = chrp_nvram_size; return; } diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index e66644e0fb40..fcf6f2342ef4 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -538,8 +538,7 @@ static void __init chrp_init_IRQ(void) /* see if there is a keyboard in the device tree with a parent of type "adb" */ for_each_node_by_name(kbd, "keyboard") - if (kbd->parent && kbd->parent->type - && strcmp(kbd->parent->type, "adb") == 0) + if (of_node_is_type(kbd->parent, "adb")) break; of_node_put(kbd); if (kbd) @@ -550,7 +549,7 @@ static void __init chrp_init_IRQ(void) static void __init chrp_init2(void) { -#ifdef CONFIG_NVRAM +#if IS_ENABLED(CONFIG_NVRAM) chrp_nvram_init(); #endif diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index d18d16489a15..bdf9b716e848 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -255,7 +255,7 @@ int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size) chan->ring_size = ring_size; - chan->ring_virt = dma_zalloc_coherent(&dma_pdev->dev, + chan->ring_virt = dma_alloc_coherent(&dma_pdev->dev, ring_size * sizeof(u64), &chan->ring_dma, GFP_KERNEL); diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index 923bfb340433..20ebf35d7913 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -15,7 +15,5 @@ obj-$(CONFIG_PMAC_BACKLIGHT) += backlight.o # need this to be a bool. Cheat here and pretend CONFIG_NVRAM=m is really # CONFIG_NVRAM=y obj-$(CONFIG_NVRAM:m=y) += nvram.o -# ppc64 pmac doesn't define CONFIG_NVRAM but needs nvram stuff -obj-$(CONFIG_PPC64) += nvram.o obj-$(CONFIG_PPC32) += bootx_init.o obj-$(CONFIG_SMP) += smp.o diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index ae54d7fe68f3..9360cdc408c1 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -147,6 +147,11 @@ static ssize_t core99_nvram_size(void) static volatile unsigned char __iomem *nvram_addr; static int nvram_mult; +static ssize_t ppc32_nvram_size(void) +{ + return NVRAM_SIZE; +} + static unsigned char direct_nvram_read_byte(int addr) { return in_8(&nvram_data[(addr & (NVRAM_SIZE - 1)) * nvram_mult]); @@ -590,21 +595,25 @@ int __init pmac_nvram_init(void) nvram_mult = 1; ppc_md.nvram_read_val = direct_nvram_read_byte; ppc_md.nvram_write_val = direct_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; } else if (nvram_naddrs == 1) { nvram_data = ioremap(r1.start, s1); nvram_mult = (s1 + NVRAM_SIZE - 1) / NVRAM_SIZE; ppc_md.nvram_read_val = direct_nvram_read_byte; ppc_md.nvram_write_val = direct_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; } else if (nvram_naddrs == 2) { nvram_addr = ioremap(r1.start, s1); nvram_data = ioremap(r2.start, s2); ppc_md.nvram_read_val = indirect_nvram_read_byte; ppc_md.nvram_write_val = indirect_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; } else if (nvram_naddrs == 0 && sys_ctrler == SYS_CTRLER_PMU) { #ifdef CONFIG_ADB_PMU nvram_naddrs = -1; ppc_md.nvram_read_val = pmu_nvram_read_byte; ppc_md.nvram_write_val = pmu_nvram_write_byte; + ppc_md.nvram_size = ppc32_nvram_size; #endif /* CONFIG_ADB_PMU */ } else { printk(KERN_ERR "Incompatible type of NVRAM\n"); diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 2e8221e20ee8..b7efcf336589 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -316,8 +316,7 @@ static void __init pmac_setup_arch(void) find_via_pmu(); smu_init(); -#if defined(CONFIG_NVRAM) || defined(CONFIG_NVRAM_MODULE) || \ - defined(CONFIG_PPC64) +#if IS_ENABLED(CONFIG_NVRAM) pmac_nvram_init(); #endif #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index f157e3d071f2..b36ddee17c87 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -68,7 +68,7 @@ long __init pmac_time_init(void) { s32 delta = 0; -#ifdef CONFIG_NVRAM +#if defined(CONFIG_NVRAM) && defined(CONFIG_PPC32) int dst; delta = ((s32)pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0x9)) << 16; diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index 84d038ed3882..248a38ad25c7 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -20,6 +20,7 @@ #include <linux/slab.h> #include <linux/memory.h> #include <linux/memory_hotplug.h> +#include <linux/numa.h> #include <asm/machdep.h> #include <asm/debugfs.h> @@ -223,7 +224,7 @@ static int memtrace_online(void) ent = &memtrace_array[i]; /* We have onlined this chunk previously */ - if (ent->nid == -1) + if (ent->nid == NUMA_NO_NODE) continue; /* Remove from io mappings */ @@ -257,7 +258,7 @@ static int memtrace_online(void) */ debugfs_remove_recursive(ent->dir); pr_info("Added trace memory back to node %d\n", ent->nid); - ent->size = ent->start = ent->nid = -1; + ent->size = ent->start = ent->nid = NUMA_NO_NODE; } if (ret) return ret; diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index d7f742ed48ba..3f58c7dbd581 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -564,7 +564,7 @@ struct iommu_table_group *pnv_try_setup_npu_table_group(struct pnv_ioda_pe *pe) } } else { /* Create a group for 1 GPU and attached NPUs for POWER8 */ - pe->npucomp = kzalloc(sizeof(pe->npucomp), GFP_KERNEL); + pe->npucomp = kzalloc(sizeof(*pe->npucomp), GFP_KERNEL); table_group = &pe->npucomp->table_group; table_group->ops = &pnv_npu_peers_ops; iommu_register_group(table_group, hose->global_number, diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 1d6406a051f1..145373f0e5dc 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1593,6 +1593,8 @@ static void pnv_ioda_setup_vf_PE(struct pci_dev *pdev, u16 num_vfs) pnv_pci_ioda2_setup_dma_pe(phb, pe); #ifdef CONFIG_IOMMU_API + iommu_register_group(&pe->table_group, + pe->phb->hose->global_number, pe->pe_number); pnv_ioda_setup_bus_iommu_group(pe, &pe->table_group, NULL); #endif } @@ -2681,7 +2683,8 @@ static void pnv_pci_ioda_setup_iommu_api(void) list_for_each_entry(hose, &hose_list, list_node) { phb = hose->private_data; - if (phb->type == PNV_PHB_NPU_NVLINK) + if (phb->type == PNV_PHB_NPU_NVLINK || + phb->type == PNV_PHB_NPU_OCAPI) continue; list_for_each_entry(pe, &phb->ioda.pe_list, list) { diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 45fb70b4bfa7..ef9448a907c6 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -1147,6 +1147,8 @@ static int pnv_tce_iommu_bus_notifier(struct notifier_block *nb, return 0; pe = &phb->ioda.pe_array[pdn->pe_number]; + if (!pe->table_group.group) + return 0; iommu_add_device(&pe->table_group, dev); return 0; case BUS_NOTIFY_DEL_DEVICE: diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index 5b4a56131904..84e8ec4011ba 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -261,8 +261,7 @@ static char *ibmebus_chomp(const char *in, size_t count) return out; } -static ssize_t ibmebus_store_probe(struct bus_type *bus, - const char *buf, size_t count) +static ssize_t probe_store(struct bus_type *bus, const char *buf, size_t count) { struct device_node *dn = NULL; struct device *dev; @@ -298,10 +297,9 @@ out: return rc; return count; } -static BUS_ATTR(probe, 0200, NULL, ibmebus_store_probe); +static BUS_ATTR_WO(probe); -static ssize_t ibmebus_store_remove(struct bus_type *bus, - const char *buf, size_t count) +static ssize_t remove_store(struct bus_type *bus, const char *buf, size_t count) { struct device *dev; char *path; @@ -325,7 +323,7 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus, return -ENODEV; } } -static BUS_ATTR(remove, 0200, NULL, ibmebus_store_remove); +static BUS_ATTR_WO(remove); static struct attribute *ibmbus_bus_attrs[] = { &bus_attr_probe.attr, diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index 69cedc1b3b8a..1136a38ff039 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -7,8 +7,6 @@ * 2 of the License, or (at your option) any later version. * * /dev/nvram driver for PPC64 - * - * This perhaps should live in drivers/char */ diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index 7d6457ab5d34..bba281b1fe1b 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -43,6 +43,7 @@ static int drc_pmem_bind(struct papr_scm_priv *p) { unsigned long ret[PLPAR_HCALL_BUFSIZE]; uint64_t rc, token; + uint64_t saved = 0; /* * When the hypervisor cannot map all the requested memory in a single @@ -56,6 +57,8 @@ static int drc_pmem_bind(struct papr_scm_priv *p) rc = plpar_hcall(H_SCM_BIND_MEM, ret, p->drc_index, 0, p->blocks, BIND_ANY_ADDR, token); token = ret[0]; + if (!saved) + saved = ret[1]; cond_resched(); } while (rc == H_BUSY); @@ -64,7 +67,7 @@ static int drc_pmem_bind(struct papr_scm_priv *p) return -ENXIO; } - p->bound_addr = ret[1]; + p->bound_addr = saved; dev_dbg(&p->pdev->dev, "bound drc %x to %pR\n", p->drc_index, &p->res); diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c index 7725825d887d..37a77e57893e 100644 --- a/arch/powerpc/platforms/pseries/pci.c +++ b/arch/powerpc/platforms/pseries/pci.c @@ -264,7 +264,9 @@ void __init pSeries_final_fixup(void) if (!of_device_is_compatible(nvdn->parent, "ibm,power9-npu")) continue; +#ifdef CONFIG_PPC_POWERNV WARN_ON_ONCE(pnv_npu2_init(hose)); +#endif break; } } diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c index 8b0ebf3940d2..ebed46f80254 100644 --- a/arch/powerpc/sysdev/fsl_rmu.c +++ b/arch/powerpc/sysdev/fsl_rmu.c @@ -756,9 +756,10 @@ fsl_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries) } /* Initialize outbound message descriptor ring */ - rmu->msg_tx_ring.virt = dma_zalloc_coherent(priv->dev, - rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE, - &rmu->msg_tx_ring.phys, GFP_KERNEL); + rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev, + rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE, + &rmu->msg_tx_ring.phys, + GFP_KERNEL); if (!rmu->msg_tx_ring.virt) { rc = -ENOMEM; goto out_dma; |