On Thu, Dec 01, 2016 at 06:53:50AM +0100, Peter Zijlstra wrote: > On Wed, Nov 30, 2016 at 12:34:53PM -0800, Andy Lutomirski wrote: > > This reverts commit ed68d7e9b9cfb64f3045ffbcb108df03c09a0f98. > > > > The patch wasn't quite correct -- there are non-Intel (and hence > > non-486) CPUs that we support that don't have CPUID. Since we no > > longer require CPUID for sync_core(), just revert the patch. > > Might be useful to enumerate which special parts these are.
Right, and since we test for CPUID support at early boot, I think we should use the X86_FEATURE_CPUID aspect from what I proposed earlier: https://lkml.kernel.org/r/20161120111917.pw3alolx4fksf...@pd.tnic -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
