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Merge tag 'x86-mm-2025-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 mm updates from Ingo Molnar:

 - The biggest changes are the TLB flushing scalability optimizations,
   to update the mm_cpumask lazily and related changes.

   This feature has both a track record and a continued risk of
   performance regressions, so it was already delayed by a cycle - but
   it's all 100% perfect now™ (Rik van Riel)

 - Also miscellaneous fixes and cleanups. (Gautam Somani, Kirill
   Shutemov, Sebastian Andrzej Siewior)

* tag 'x86-mm-2025-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Remove unnecessary include of <linux/extable.h>
  x86/mtrr: Rename mtrr_overwrite_state() to guest_force_mtrr_state()
  x86/mm/selftests: Fix typo in lam.c
  x86/mm/tlb: Only trim the mm_cpumask once a second
  x86/mm/tlb: Also remove local CPU from mm_cpumask if stale
  x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU
  x86/mm/tlb: Update mm_cpumask lazily
This commit is contained in:
Linus Torvalds
2025-01-31 10:39:07 -08:00
parent 626d1a1e99 aa135d1d09
commit c545cd3276
8 changed files with 57 additions and 20 deletions
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2
tools/testing/selftests/x86/lam.c
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@@ -237,7 +237,7 @@ static uint64_t set_metadata(uint64_t src, unsigned long lam)
* both pointers should point to the same address.
*
* @return:
* 0: value on the pointer with metadate and value on original are same
* 0: value on the pointer with metadata and value on original are same
* 1: not same.
*/
static int handle_lam_test(void *src, unsigned int lam)