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| author |   Will Deacon <will@kernel.org> | 2021-03-18 17:07:38 +0000 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2021-03-24 16:48:41 +0000 |
| commit | 6e554abd07002405fd9175284a10729e2f54be43 (patch) | |
| tree | 4392154bd6953ef5bf06e2fcc93b55acb5d09b0d /Documentation/arm64 | |
| parent | arm64: vdso: Avoid ISB after reading from cntvct_el0 (diff) | |
| download | linux-dev-6e554abd07002405fd9175284a10729e2f54be43.tar.xz linux-dev-6e554abd07002405fd9175284a10729e2f54be43.zip | |
arm64: compat: Poison the compat sigpage
Commit 9c698bff66ab ("ARM: ensure the signal page contains defined contents")
poisoned the unused portions of the signal page for 32-bit Arm.
Implement the same poisoning for the compat signal page on arm64 rather
than using __GFP_ZERO.
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210318170738.7756-6-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'Documentation/arm64')
0 files changed, 0 insertions, 0 deletions