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authorCyril Bur <cyrilbur@gmail.com>2016-09-23 16:18:13 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-10-04 20:10:09 +1100
commit65ca668f58a260e144621fd93a413da67635b999 (patch)
treea279400c17b19584e6b9bc3ecbe02d431e2b8ec1 /include
parentd11994314b2bfe028bc39be24b44298787925160 (diff)
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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>
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