tree d84134206053c938c46606604b162d209d90487c
parent a0474b8d5974e142461ac7584c996feea167bcc1
author Jason A. Donenfeld <Jason@zx2c4.com> 1727178443 +0200
committer Shuah Khan <skhan@linuxfoundation.org> 1727461032 -0600

selftests: vDSO: align stack for O2-optimized memcpy

When switching on -O2, gcc generates SSE2 instructions that assume a
16-byte aligned stack, which the standalone test's start point wasn't
aligning. Fix this with the usual alignment sequence.

Fixes: ecb8bd70d51 ("selftests: vDSO: build tests with O2 optimization")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202409241558.98e13f6f-oliver.sang@intel.com
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>