[PATCH v5 03/38] arm64/sve: Minor clarification of ABI documentation

Mark Brown broonie at kernel.org
Wed Oct 27 11:43:49 PDT 2021


As suggested by Luis for the SME version of this explicitly say that the
vector length should be extracted from the return value of a set vector
length prctl() with a bitwise and rather than just any old and.

Suggested-by: Luis Machado <Luis.Machado at arm.com>
Signed-off-by: Mark Brown <broonie at kernel.org>
---
 Documentation/arm64/sve.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/arm64/sve.rst b/Documentation/arm64/sve.rst
index 03137154299e..9d9a4de5bc34 100644
--- a/Documentation/arm64/sve.rst
+++ b/Documentation/arm64/sve.rst
@@ -255,7 +255,7 @@ prctl(PR_SVE_GET_VL)
     vector length change (which would only normally be the case between a
     fork() or vfork() and the corresponding execve() in typical use).
 
-    To extract the vector length from the result, and it with
+    To extract the vector length from the result, bitwise and it with
     PR_SVE_VL_LEN_MASK.
 
     Return value: a nonnegative value on success, or a negative value on error:
-- 
2.30.2




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