On 10/5/24 12:43 AM, Steven Price wrote:
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 <catalin.marinas@xxxxxxx> Signed-off-by: Steven Price <steven.price@xxxxxxx> --- v4: New patch --- arch/arm64/mm/pageattr.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>