| commit | 65ca668f58a260e144621fd93a413da67635b999 | [log] [tgz] |
|---|---|---|
| author | Cyril Bur <cyrilbur@gmail.com> | Fri Sep 23 16:18:13 2016 +1000 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Tue Oct 04 20:10:09 2016 +1100 |
| tree | a279400c17b19584e6b9bc3ecbe02d431e2b8ec1 | |
| parent | d11994314b2bfe028bc39be24b44298787925160 [diff] |
selftests/powerpc: Check for VSX preservation across userspace preemption Ensure the kernel correctly switches VSX registers correctly. VSX registers are all volatile, and despite the kernel preserving VSX across syscalls, it doesn't have to. Test that during interrupts and timeslices ending the VSX regs remain the same. Signed-off-by: Cyril Bur <cyrilbur@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>