linux-kernel - [PATCH] arm64/gcs: Fix documentation for HWCAP

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Message-Id: <20250124-arm64-gcs-hwcap-doc-v1-1-fa9368b01ca6@kernel.org>
Date: Fri, 24 Jan 2025 17:33:22 +0000
From: Mark Brown <broonie@...nel.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Jonathan Corbet <corbet@....net>, 
 Thiago Jung Bauermann <thiago.bauermann@...aro.org>, 
 Yury Khrustalev <yury.khrustalev@....com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, David Spickett <David.Spickett@....com>, 
 Mark Brown <broonie@...nel.org>
Subject: [PATCH] arm64/gcs: Fix documentation for HWCAP

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

Reported-by: David Spickett <David.Spickett@....com>
Fixes: 7058bf87cd59 ("arm64/gcs: Document the ABI for Guarded Control Stacks")
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 Documentation/arch/arm64/gcs.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/arch/arm64/gcs.rst b/Documentation/arch/arm64/gcs.rst
index 1f65a3193e7765dce9bfd6ad88b9fbd6a225ed86..226c0b008456f28c57c2221f45eed7e99610be46 100644
--- a/Documentation/arch/arm64/gcs.rst
+++ b/Documentation/arch/arm64/gcs.rst
@@ -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.

---
base-commit: ffd294d346d185b70e28b1a28abe367bbfe53c04
change-id: 20250124-arm64-gcs-hwcap-doc-576d5f41027a

Best regards,
-- 
Mark Brown <broonie@...nel.org>