mainline inclusion
from mainline-v5.17-rc1
commit 30c43e73
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5ITJT
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=30c43e73b3fa2d75f5d4e72fea345380ba5eb21b

-------------------------------------------------

In preparation for adding SME support update the bulk of the implementation
for the vector length configuration prctl() calls to be independent of
vector type.
Signed-off-by: NMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211210184133.320748-3-broonie@kernel.orgSigned-off-by: NCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: NWang ShaoBo <bobo.shaobowang@huawei.com>