kexec reboot fails with extra wbinvd introduced for AME SME

Dave Young dyoung at redhat.com
Wed Jan 17 17:50:52 PST 2018


On 01/17/18 at 09:06am, Tom Lendacky wrote:
> On 1/17/2018 1:22 AM, Dave Young wrote:
> > [Modify the subject since this is a new problem, original io vector
> > issue has been fixed with one commit from Thomas]
> > 
> > Add more cc according to below old discussion:
> > https://lkml.org/lkml/2017/7/27/574
> > 
> > Tom, I'm not sure why you finally did not dynamically run wbinvd?
> 
> That discussion was aimed at the wbinvd that was being performed
> in arch/x86/kernel/relocate_kernel_64.S, which is dynamically
> run based on a flag.

Oh, I did not notice that, sorry for referring a wrong discussion.

[snip]

Thanks
Dave



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