diff options
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/atomic.h | 5 | ||||
| -rw-r--r-- | arch/arc/include/asm/bitops.h | 5 | ||||
| -rw-r--r-- | arch/arc/include/asm/sections.h | 1 | ||||
| -rw-r--r-- | arch/arc/kernel/devtree.c | 2 | ||||
| -rw-r--r-- | arch/arc/kernel/troubleshoot.c | 10 |
5 files changed, 8 insertions, 15 deletions
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 03e494f695d1..83f03ca6caf6 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -190,11 +190,6 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #endif /* !CONFIG_ARC_HAS_LLSC */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - /** * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 647a83a8e756..ebc0cf3164dc 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -19,6 +19,7 @@ #include <linux/types.h> #include <linux/compiler.h> +#include <asm/barrier.h> /* * Hardware assisted read-modify-write using ARC700 LLOCK/SCOND insns. @@ -496,10 +497,6 @@ static inline __attribute__ ((const)) int __ffs(unsigned long word) */ #define ffz(x) __ffs(~(x)) -/* TODO does this affect uni-processor code */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> diff --git a/arch/arc/include/asm/sections.h b/arch/arc/include/asm/sections.h index 764f1e3ba752..09db952e14bd 100644 --- a/arch/arc/include/asm/sections.h +++ b/arch/arc/include/asm/sections.h @@ -12,6 +12,5 @@ #include <asm-generic/sections.h> extern char __arc_dccm_base[]; -extern char __dtb_start[]; #endif diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c index b6dc4e21fd32..0b3ef4025d89 100644 --- a/arch/arc/kernel/devtree.c +++ b/arch/arc/kernel/devtree.c @@ -42,7 +42,7 @@ const struct machine_desc * __init setup_machine_fdt(void *dt) const struct machine_desc *mdesc; unsigned long dt_root; void *clk; - unsigned long len; + int len; if (!early_init_dt_scan(dt)) return NULL; diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index 73a7450ee622..1badf9b84b51 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -86,12 +86,13 @@ static void show_faulting_vma(unsigned long address, char *buf) unsigned long ino = 0; dev_t dev = 0; char *nm = buf; + struct mm_struct *active_mm = current->active_mm; /* can't use print_vma_addr() yet as it doesn't check for * non-inclusive vma */ - - vma = find_vma(current->active_mm, address); + down_read(&active_mm->mmap_sem); + vma = find_vma(active_mm, address); /* check against the find_vma( ) behaviour which returns the next VMA * if the container VMA is not found @@ -110,9 +111,10 @@ static void show_faulting_vma(unsigned long address, char *buf) vma->vm_start < TASK_UNMAPPED_BASE ? address : address - vma->vm_start, nm, vma->vm_start, vma->vm_end); - } else { + } else pr_info(" @No matching VMA found\n"); - } + + up_read(&active_mm->mmap_sem); } static void show_ecr_verbose(struct pt_regs *regs) |