Messages in this thread | | | Date | Tue, 03 Mar 2015 09:27:34 -0500 | From | Boris Ostrovsky <> | Subject | Re: [Xen-devel] [PATCH] x86/xen: Initialize cr4 shadow for 64-bit PV(H) guests |
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On 03/03/2015 12:35 AM, Luis R. Rodriguez wrote: > On Mon, Feb 23, 2015 at 9:09 AM, David Vrabel <david.vrabel@citrix.com> wrote: >> On 23/02/15 16:01, Boris Ostrovsky wrote: >>> Commit 1e02ce4cccdc ("x86: Store a per-cpu shadow copy of CR4") >>> introduced CR4 shadows. >>> >>> These shadows are initialized in early boot code. The commit missed >>> initialization for 64-bit PV(H) guests that this patch adds. >> Applied to stable/for-linus-4.0, thanks. >> >> Boris, can you kick of a set of tests on this branch, please? > Do we know worst case what should blow up without this commit ?
PVH guest will crash.
-boris
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