From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Roger Pau Monne <roger.pau@citrix.com>, xen-devel@lists.xenproject.org
Cc: Wei Liu <wei.liu2@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Jan Beulich <jbeulich@suse.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [PATCH v2 3/3] Revert "libxc: create an initial FPU state for HVM guests"
Date: Tue, 17 Nov 2015 19:03:01 +0000 [thread overview]
Message-ID: <564B79E5.6090205@citrix.com> (raw)
In-Reply-To: <1447785879-32574-4-git-send-email-roger.pau@citrix.com>
On 17/11/15 18:44, Roger Pau Monne wrote:
> This reverts commit d64dbbcc7c9934a46126c59d78536235908377ad:
>
> Xen always set the FPU as initialized when loading a HVM context, so libxc
> has to provide a valid FPU context when setting the CPU registers.
>
> This is a stop-gap measure in order to unblock OSSTest Windows 7 failures
This was a
> while a proper fix for the HVM CPU save/restore is being worked on.
>
> This can now be reverted because a proper fix is in place and we can signal
> in the save record whether the FPU is initialized or not.
>
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
> Cc: Jan Beulich <jbeulich@suse.com>
> Cc: Andrew Cooper <andrew.cooper3@citrix.com>
> Cc: Ian Jackson <ian.jackson@eu.citrix.com>
> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Cc: Ian Campbell <ian.campbell@citrix.com>
> Cc: Wei Liu <wei.liu2@citrix.com>
> ---
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
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next prev parent reply other threads:[~2015-11-17 19:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-17 18:44 [PATCH v2 0/3] Introduce a fpu_initilised filed to HVM CPU context Roger Pau Monne
2015-11-17 18:44 ` [PATCH v2 1/3] xen/save: pass a size paramter to the HVM compat functions Roger Pau Monne
2015-11-17 18:50 ` Andrew Cooper
2015-11-17 18:44 ` [PATCH v2 2/3] xen/hvm: introduce a fpu_uninitialised field to the CPU save record Roger Pau Monne
2015-11-17 19:02 ` Andrew Cooper
2015-11-18 10:51 ` Roger Pau Monné
2015-11-18 11:00 ` Andrew Cooper
2015-11-18 11:04 ` Jan Beulich
2015-11-18 11:24 ` Andrew Cooper
2015-11-17 18:44 ` [PATCH v2 3/3] Revert "libxc: create an initial FPU state for HVM guests" Roger Pau Monne
2015-11-17 19:03 ` Andrew Cooper [this message]
2015-11-18 9:57 ` Wei Liu
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