Searched hist:"65 ca668f58a260e144621fd93a413da67635b999" (Results 1 – 3 of 3) sorted by relevance
| /linux/tools/testing/selftests/powerpc/math/ |
| H A D | vsx_preempt.c | 65ca668f58a260e144621fd93a413da67635b999 Fri Sep 23 08:18:13 CEST 2016 Cyril Bur <cyrilbur@gmail.com> 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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| H A D | vsx_asm.S | 65ca668f58a260e144621fd93a413da67635b999 Fri Sep 23 08:18:13 CEST 2016 Cyril Bur <cyrilbur@gmail.com> 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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| H A D | Makefile | diff 65ca668f58a260e144621fd93a413da67635b999 Fri Sep 23 08:18:13 CEST 2016 Cyril Bur <cyrilbur@gmail.com> 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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