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| author |   Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2018-02-23 18:04:48 +0000 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2018-02-26 14:27:14 +0000 |
| commit | 753e8abc36b2c966caea075db0c845563c8a19bf (patch) | |
| tree | 8a507c29bc0b2da625692d8e1bbe0f396be0c8a7 /drivers/perf | |
| parent | Linux 4.16-rc3 (diff) | |
| download | linux-dev-753e8abc36b2c966caea075db0c845563c8a19bf.tar.xz linux-dev-753e8abc36b2c966caea075db0c845563c8a19bf.zip | |
arm64: mm: fix thinko in non-global page table attribute check
The routine pgattr_change_is_safe() was extended in commit 4e6020565596
("arm64: mm: Permit transitioning from Global to Non-Global without BBM")
to permit changing the nG attribute from not set to set, but did so in a
way that inadvertently disallows such changes if other permitted attribute
changes take place at the same time. So update the code to take this into
account.
Fixes: 4e6020565596 ("arm64: mm: Permit transitioning from Global to ...")
Cc: <stable@vger.kernel.org> # 4.14.x-
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'drivers/perf')
0 files changed, 0 insertions, 0 deletions