diff mbox series

[v6,03/37] arm64/sve: Minor clarification of ABI documentation

Message ID 20211115152835.3212149-4-broonie@kernel.org (mailing list archive)
State New
Headers show
Series arm64/sme: Initial support for the Scalable Matrix Extension | expand

Commit Message

Mark Brown Nov. 15, 2021, 3:28 p.m. UTC 
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@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 Documentation/arm64/sve.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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: