From: Wei Liu <wei.liu2@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Wei Liu <wei.liu2@citrix.com>,
Xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH for-4.7] xen/hvm: Fix advertisment of available xstates following c/s c52319642
Date: Mon, 13 Jun 2016 11:42:27 +0100 [thread overview]
Message-ID: <20160613104226.GV28116@citrix.com> (raw)
In-Reply-To: <575E9D9D02000078000F45BD@prv-mh.provo.novell.com>
On Mon, Jun 13, 2016 at 03:48:45AM -0600, Jan Beulich wrote:
> >>> On 10.06.16 at 20:17, <andrew.cooper3@citrix.com> wrote:
> > PKU lives in CPUID.7[0].ECX, not EBX. This causes hardware with BMI1 to
> > accidentally advertise PKU in CPUID.0xD[0].EAX. Any OS which proceeds to
> > blindly write this into %xcr0 takes a #GP fault. (Experimentally, Windows
> > Vista 32bit falls into this category.)
> >
> > Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
>
> Reviewed-by: Jan Beulich <jbeulich@suse.com>
>
Pushed to staging and staging-4.7.
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prev parent reply other threads:[~2016-06-13 10:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-10 18:17 [PATCH for-4.7] xen/hvm: Fix advertisment of available xstates following c/s c52319642 Andrew Cooper
2016-06-10 18:29 ` Wei Liu
2016-06-13 9:48 ` Jan Beulich
2016-06-13 10:42 ` Wei Liu [this message]
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