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    SubjectRe: [PATCH 0/2 v2] perf-kvm support for SVM
    On Sun, Jan 16, 2011 at 10:38:11AM -0500, Avi Kivity wrote:
    > On 01/16/2011 05:35 PM, Joerg Roedel wrote:
    > > On Sun, Jan 16, 2011 at 12:49:41PM +0200, Avi Kivity wrote:
    > > > On 01/14/2011 05:45 PM, Joerg Roedel wrote:
    > >
    > > >> here is the reworked version of the patch-set. Only patch 1/2 has
    > > >> changed and now contains the real fix for the crashes that were seen and
    > > >> has an updated log message.
    > > >>
    > > >
    > > > Thanks, applied. 2.6.37 and earlier aren't affected, yes? So I'm
    > > > queuing it for 2.6.38 only.
    > >
    > > I think the problem is there since KVM has lazy state switching. So the
    > > fix in patch 1 should make it in all currently maintained stable-trees.
    > >
    >
    > The problem is with load_gs_index(), yes? In 2.6.37 this is called
    > before stgi(), so it's protected from nmi.

    Ok, you are right :) So the fix is only necessary for 2.6.38.

    Joerg

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