Re: [PATCH v16 09/10] x86/arch_prctl: Selftest for ARCH_[GET|SET]_CPUID

Thomas Gleixner <[email protected]> Fri, 20 Oct 2017 10:53:28 +0200 (CEST)

Newsgroups	gmane.comp.emulators.kvm.devel,gmane.linux.kernel,gmane.linux.uml.devel,gmane.linux.uml.user,gmane.linux.file-systems
Message-ID	<alpine.DEB.2.20.1710201050290.1882@nanos>

On Tue, 10 Oct 2017, Kyle Huey wrote:

> On Tue, Oct 10, 2017 at 8:35 PM, Wanpeng Li <[email protected]> wrote:
> > Hi Kyle,
> > 2017-03-20 16:16 GMT+08:00 Kyle Huey <[email protected]>:
> >> 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 <[email protected]>
> >> ---
> >>  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