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author | Ingo Molnar <mingo@kernel.org> | 2012-05-14 14:43:40 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-05-14 14:43:40 +0200 |
commit | 9cba26e66d09bf394ae5a739627a1dc8b7cae6f4 (patch) | |
tree | f03743d576a0c7826b9921ad47e70370ebe80a22 /arch/tile/kernel/single_step.c | |
parent | ec83db0f78cd44c3b586ec1c3a348d1a8a389797 (diff) | |
parent | 73eff9f56e15598c8399c0b86899fd889b97f085 (diff) |
Merge branch 'perf/uprobes' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/uprobes
Diffstat (limited to 'arch/tile/kernel/single_step.c')
-rw-r--r-- | arch/tile/kernel/single_step.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/tile/kernel/single_step.c b/arch/tile/kernel/single_step.c index 9efbc1391b3..89529c9f060 100644 --- a/arch/tile/kernel/single_step.c +++ b/arch/tile/kernel/single_step.c @@ -346,12 +346,10 @@ void single_step_once(struct pt_regs *regs) } /* allocate a cache line of writable, executable memory */ - down_write(¤t->mm->mmap_sem); - buffer = (void __user *) do_mmap(NULL, 0, 64, + buffer = (void __user *) vm_mmap(NULL, 0, 64, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0); - up_write(¤t->mm->mmap_sem); if (IS_ERR((void __force *)buffer)) { kfree(state); |