x86/mm/tlb: Add tracepoint for TLB flush IPI to stale CPU

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Add a tracepoint when we send a TLB flush IPI to a CPU that used
to be in the mm_cpumask, but isn't any more.

Suggested-by: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20241114152723.1294686-3-riel@surriel.com

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Rik van Riel 2024-11-14 10:26:17 -05:00 • committed by Ingo Molnar

parent 209954cbc7

commit 2815a56e4b

2 changed files with 2 additions and 0 deletions

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arch/x86/mm/tlb.c

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include/linux/mm_types.h

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