On Tue, 10 Oct 2017, Kyle Huey wrote: > On Tue, Oct 10, 2017 at 8:35 PM, Wanpeng Li <kernellwp@xxxxxxxxx> wrote: > > Hi Kyle, > > 2017-03-20 16:16 GMT+08:00 Kyle Huey <me@xxxxxxxxxxxx>: > >> Test disabling and reenabling the cpuid instruction via the new arch_prctl > >> ARCH_SET_CPUID, retrieving the current state via ARCH_GET_CPUID, and the > >> expected behaviors across fork() and exec(). > >> > >> Signed-off-by: Kyle Huey <khuey@xxxxxxxxxxxx> > >> --- > >> tools/testing/selftests/x86/Makefile | 2 +- > >> tools/testing/selftests/x86/cpuid_fault.c | 251 ++++++++++++++++++++++++++++++ > > > > I'm not sure why this commit is not merged to upstream. I test > > 4.14-rc3 w/ this testcase on a haswell client, however I encounter the > > below splat, any idea? > > Thanks for pointing out that this never got merged. That's quite > disappointing, especially after reviewers insisted I write this test. Sorry about that. I expected it to be picked up by Shuah and I assumed the same happend the other way round. Can you please resubmit? Thanks, tglx