diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/uprobes.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index d546d32390a8..a7d7d83ca1d7 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -179,16 +179,16 @@ bool __weak is_trap_insn(uprobe_opcode_t *insn) void uprobe_copy_from_page(struct page *page, unsigned long vaddr, void *dst, int len) { - void *kaddr = kmap_atomic(page); + void *kaddr = kmap_local_page(page); memcpy(dst, kaddr + (vaddr & ~PAGE_MASK), len); - kunmap_atomic(kaddr); + kunmap_local(kaddr); } static void copy_to_page(struct page *page, unsigned long vaddr, const void *src, int len) { - void *kaddr = kmap_atomic(page); + void *kaddr = kmap_local_page(page); memcpy(kaddr + (vaddr & ~PAGE_MASK), src, len); - kunmap_atomic(kaddr); + kunmap_local(kaddr); } static int verify_opcode(struct page *page, unsigned long vaddr, uprobe_opcode_t *insn, @@ -323,7 +323,7 @@ __update_ref_ctr(struct mm_struct *mm, unsigned long vaddr, short d) return ret == 0 ? -EBUSY : ret; } - kaddr = kmap_atomic(page); + kaddr = kmap_local_page(page); ptr = kaddr + (vaddr & ~PAGE_MASK); if (unlikely(*ptr + d < 0)) { @@ -336,7 +336,7 @@ __update_ref_ctr(struct mm_struct *mm, unsigned long vaddr, short d) *ptr += d; ret = 0; out: - kunmap_atomic(kaddr); + kunmap_local(kaddr); put_page(page); return ret; } |