arm64/sve: Minor clarification of ABI documentation
authorMark Brown <broonie@kernel.org>
Fri, 10 Dec 2021 18:40:59 +0000 (18:40 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 14 Dec 2021 18:33:44 +0000 (18:33 +0000)
commitaed34d9e52b80b4e7485119272c77c5553a21499
tree875f784a9a0adb2da8fb791959454dd570fb0aa4
parent30c43e73b3fa2d75f5d4e72fea345380ba5eb21b
arm64/sve: Minor clarification of ABI documentation

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>
Link: https://lore.kernel.org/r/20211210184133.320748-4-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/arm64/sve.rst