From: Wei Liu <wei.liu2@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
Wei Liu <wei.liu2@citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH 1/2] x86: flush high xstate CPUID sub-leaves to zero
Date: Wed, 1 Jun 2016 16:45:13 +0100 [thread overview]
Message-ID: <20160601154513.GL5160@citrix.com> (raw)
In-Reply-To: <574F15F402000078000F07F9@prv-mh.provo.novell.com>
On Wed, Jun 01, 2016 at 09:05:56AM -0600, Jan Beulich wrote:
> In line with other recent changes, these should be fully white listed,
> requiring us to zero them until the obtain a meaning we support.
>
"they obtain ..."
> Without XSAVE support, all xstate sub-leaves should be zero.
>
> Also move away from checking host XSAVE support - we really ought to
> consider the guest flag for that purpose.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
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next prev parent reply other threads:[~2016-06-01 15:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-01 14:57 [PATCH 0/2] x86: xstate CPUID guest output adjustments Jan Beulich
2016-06-01 15:05 ` [PATCH 1/2] x86: flush high xstate CPUID sub-leaves to zero Jan Beulich
2016-06-01 15:30 ` Andrew Cooper
2016-06-01 15:45 ` Wei Liu [this message]
2016-06-01 15:06 ` [PATCH 2/2] x86/HVM: don't calculate XSTATE area sizes in software Jan Beulich
2016-06-01 15:35 ` Andrew Cooper
2016-06-01 15:47 ` Wei Liu
2016-06-01 15:50 ` Jan Beulich
2016-06-01 15:57 ` Wei Liu
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