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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-11-07 11:36:19 +0100
committerWill Deacon <will.deacon@arm.com>2018-11-20 11:38:26 +0000
commitb34d2ef0c60e4d9c2bb8a4d72d4519c67363d390 (patch)
treedbeb02f908943cc0c5fdcbecc87b187389b7d449 /arch/arm64/include/asm
parent9ff01193a20d391e8dbce4403dd5ef87c7eaaca6 (diff)
arm64: mm: purge lazily unmapped vm regions before changing permissions
Call vm_unmap_aliases() every time we apply any changes to permission attributes of mappings in the vmalloc region. This avoids any potential issues resulting from lingering writable or executable aliases of mappings that should be read-only or non-executable, respectively. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm')
0 files changed, 0 insertions, 0 deletions