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Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 fixes from Ingo Molnar:
 "A couple of EFI fixes, plus misc fixes all around the map"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/arm64: Store Runtime Services revision
  firmware: Do not use WARN_ON(!spin_is_locked())
  x86_32, entry: Clean up sysenter_badsys declaration
  x86/doc: Fix the 'tlb_single_page_flush_ceiling' sysconfig path
  x86/mm: Fix sparse 'tlb_single_page_flush_ceiling' warning and make the variable read-mostly
  x86/mm: Fix RCU splat from new TLB tracepoints
This commit is contained in:
Linus Torvalds 2014-08-24 16:17:41 -07:00
commit 7be141d055
5 changed files with 16 additions and 8 deletions
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Documentation/x86/tlb.txt
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@ -35,7 +35,7 @@ invlpg instruction (or instructions _near_ it) show up high in
profiles. If you believe that individual invalidations being
called too often, you can lower the tunable:
/sys/debug/kernel/x86/tlb_single_page_flush_ceiling
/sys/kernel/debug/x86/tlb_single_page_flush_ceiling
This will cause us to do the global flush for more cases.
Lowering it to 0 will disable the use of the individual flushes.