From: Wei Liu <wei.liu2@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
Subject: Re: [PATCH v2] x86: refine debugging of SMEP/SMAP fix
Date: Tue, 17 May 2016 14:37:50 +0100 [thread overview]
Message-ID: <20160517133750.GR8974@citrix.com> (raw)
In-Reply-To: <573B1E8C.2040709@citrix.com>
On Tue, May 17, 2016 at 02:37:16PM +0100, Andrew Cooper wrote:
> On 17/05/16 14:35, Jan Beulich wrote:
> > Instead of just latching cr4_pv32_mask into %rdx, correct the found
> > wrong value in %cr4 (to avoid triggering another BUG). The value left
> > in %rdx should be sufficient for deducing cr4_pv32_mask from the
> > register dump.
> >
> > Also there is one more place for XEN_CR4_PV32_BITS to be used.
> >
> > Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
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prev parent reply other threads:[~2016-05-17 13:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-17 13:35 [PATCH v2] x86: refine debugging of SMEP/SMAP fix Jan Beulich
2016-05-17 13:37 ` Andrew Cooper
2016-05-17 13:37 ` Wei Liu [this message]
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