Re: [Xen-devel] 3.18.17 Xen regression

2015-07-17 Thread Sasha Levin
On 07/17/2015 10:09 AM, Boris Ostrovsky wrote: > On 07/17/2015 09:59 AM, Ian Campbell wrote: >> On Tue, 2015-07-07 at 15:54 -0400, Boris Ostrovsky wrote: >>> Commit 63753fac67e1 ("x86: Store a per-cpu shadow copy of CR4") in >>> 3.18.y branch introduced a regression on PVH Xen guests. >>> >>> Pleas

Re: [Xen-devel] 3.18.17 Xen regression

2015-07-17 Thread Boris Ostrovsky
On 07/17/2015 09:59 AM, Ian Campbell wrote: On Tue, 2015-07-07 at 15:54 -0400, Boris Ostrovsky wrote: Commit 63753fac67e1 ("x86: Store a per-cpu shadow copy of CR4") in 3.18.y branch introduced a regression on PVH Xen guests. Please apply 5054daa285be ("x86/xen: Initialize cr4 shadow for 64-bit

Re: [Xen-devel] 3.18.17 Xen regression

2015-07-17 Thread Ian Campbell
On Tue, 2015-07-07 at 15:54 -0400, Boris Ostrovsky wrote: > Commit 63753fac67e1 ("x86: Store a per-cpu shadow copy of CR4") in > 3.18.y branch introduced a regression on PVH Xen guests. > > Please apply 5054daa285be ("x86/xen: Initialize cr4 shadow for 64-bit > PV(H) guests") from mainline to fi

[Xen-devel] 3.18.17 Xen regression

2015-07-07 Thread Boris Ostrovsky
Commit 63753fac67e1 ("x86: Store a per-cpu shadow copy of CR4") in 3.18.y branch introduced a regression on PVH Xen guests. Please apply 5054daa285be ("x86/xen: Initialize cr4 shadow for 64-bit PV(H) guests") from mainline to fix this. 3.18.y appears to be the only affected branch. Thanks.