Re: __schedule #DF splat

Jan Kiszka
2014-06-29T12:22:55Z

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On 2014-06-29 13:51, Borislav Petkov wrote:
> On Sun, Jun 29, 2014 at 12:59:30PM +0200, Jan Kiszka wrote:
>> Will see what I can do regarding bisecting. That host is a bit slow
>> (netbook), so it may take a while. Boris will probably beat me in
>> this.
>
> Nah, I was about to instrument kvm_multiple_exception() first and am
> slow anyway so... :-)

OK, looks like I won ;): The issue was apparently introduced with "KVM:
x86: get CPL from SS.DPL" (ae9fedc793). Maybe we are not properly saving
or restoring this state on SVM since then.

Need a break, will look into details later.

Jan

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