diff options
Diffstat (limited to 'arch/arm64/mm/fault.c')
| -rw-r--r-- | arch/arm64/mm/fault.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index fe30e95e95b2..8afb238ff335 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -497,11 +497,11 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, * validly references user space from well defined areas of the code, * we can bug out early if this is from code which shouldn't. */ - if (!down_read_trylock(&mm->mmap_sem)) { + if (!mmap_read_trylock(mm)) { if (!user_mode(regs) && !search_exception_tables(regs->pc)) goto no_context; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); } else { /* * The above down_read_trylock() might have succeeded in which @@ -510,7 +510,7 @@ retry: might_sleep(); #ifdef CONFIG_DEBUG_VM if (!user_mode(regs) && !search_exception_tables(regs->pc)) { - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); goto no_context; } #endif @@ -532,7 +532,7 @@ retry: goto retry; } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* * Handle the "normal" (no error) case first. |