Messages in this thread Patch in this message | | | Date | Tue, 20 Feb 2018 02:26:06 -0800 | From | tip-bot for Jann Horn <> | Subject | [tip:x86/pti] x86/mm: Remove stale comment about KMEMCHECK |
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Commit-ID: 3b3a9268bba62b35a29bafe0931715b1725fdf26 Gitweb: https://git.kernel.org/tip/3b3a9268bba62b35a29bafe0931715b1725fdf26 Author: Jann Horn <jannh@google.com> AuthorDate: Mon, 19 Feb 2018 18:50:39 +0100 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 20 Feb 2018 09:33:39 +0100
x86/mm: Remove stale comment about KMEMCHECK
This comment referred to a conditional call to kmemcheck_hide() that was here until commit 4950276672fc ("kmemcheck: remove annotations").
Now that kmemcheck has been removed, it doesn't make sense anymore.
Signed-off-by: Jann Horn <jannh@google.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180219175039.253089-1-jannh@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/mm/fault.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 800de81..c88573d 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -1248,10 +1248,6 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, tsk = current; mm = tsk->mm; - /* - * Detect and handle instructions that would cause a page fault for - * both a tracked kernel page and a userspace page. - */ prefetchw(&mm->mmap_sem); if (unlikely(kmmio_fault(regs, address)))
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