x86/mm: implement arch_faults_on_old_pte() stub on x86

Browse source

arch_faults_on_old_pte is a helper to indicate that it might cause page
fault when accessing old pte. But on x86, there is feature to setting
pte access flag by hardware. Hence implement an overriding stub which
always returns false.

Signed-off-by: Jia He <justin.he@arm.com>
Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

...

This commit is contained in:

Jia He 2019-10-11 22:09:38 +08:00 • committed by Catalin Marinas

parent 6af31226d0

commit f2c4e5970c

1 changed files with 6 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

6

arch/x86/include/asm/pgtable.h

View file