Re: [PATCH] selftests: vDSO: align stack for O2-optimized memcpy

[Jason A. Donenfeld]

Hi Shuah,

On Tue, Sep 24, 2024 at 01:47:23PM +0200, Jason A. Donenfeld wrote:
> 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 alignnent sequence.
> 
> Fixes: ecb8bd70d51 ("selftests: vDSO: build tests with O2 optimization")
> Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-lkp/202409241558.98e13f6f-oliver.sang@xxxxxxxxx
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
 
Just FYI, I'm expecting that this is a patch you take through your tree
for 6.12, and hopefully before rc1, as automated testing is failing.

Jason