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arm64/gcs: Fix documentation for HWCAP

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In one of the renumberings of the GCS hwcap a stray reference to HWCAP2 was
left, fix it.

Reported-by: David Spickett <David.Spickett@arm.com>
Fixes: 7058bf87cd ("arm64/gcs: Document the ABI for Guarded Control Stacks")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250124-arm64-gcs-hwcap-doc-v1-1-fa9368b01ca6@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
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Mark Brown 2025-01-24 17:33:22 +00:00 • committed by Will Deacon
parent f458b2165d
commit f64f9dddd1
1 changed files with 1 additions and 1 deletions
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Documentation/arch/arm64/gcs.rst
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@ -37,7 +37,7 @@ intended to be exhaustive.
shadow stacks rather than GCS.
* Support for GCS is reported to userspace via HWCAP_GCS in the aux vector
AT_HWCAP2 entry.
AT_HWCAP entry.
* GCS is enabled per thread. While there is support for disabling GCS
at runtime this should be done with great care.