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authorSteven Price <[email protected]>2024-10-17 14:14:31 +0100
committerCatalin Marinas <[email protected]>2024-10-23 10:19:33 +0100
commit0e9cb5995b2539a332fe65ada6a28a6be55f6e40 (patch)
tree7d7a504e493d63b28f99445dc5221bd2f5e0a26d /tools/perf/scripts/python/check-perf-trace.py
parentfbf979a01375704fa87c559763209c658593b6f8 (diff)
arm64: mm: Avoid TLBI when marking pages as valid
When __change_memory_common() is purely setting the valid bit on a PTE (e.g. via the set_memory_valid() call) there is no need for a TLBI as either the entry isn't changing (the valid bit was already set) or the entry was invalid and so should not have been cached in the TLB. Reviewed-by: Catalin Marinas <[email protected]> Reviewed-by: Gavin Shan <[email protected]> Reviewed-by: Suzuki K Poulose <[email protected]> Signed-off-by: Steven Price <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
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