From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Cc: Keir Fraser <keir@xen.org>
Subject: Re: [PATCH 1/5] x86emul: fix rIP handling
Date: Wed, 17 Feb 2016 17:51:48 +0000 [thread overview]
Message-ID: <56C4B334.5010704@citrix.com> (raw)
In-Reply-To: <56C4AEA502000078000D348C@prv-mh.provo.novell.com>
On 17/02/16 16:32, Jan Beulich wrote:
> Deal with rIP just like with any other register: Truncate to designated
> width upon entry, write back the zero-extended 32-bit value when
> emulating 32-bit code, and leave the upper 48 bits unchanged for 16-bit
> code.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
next prev parent reply other threads:[~2016-02-17 17:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-17 16:21 [PATCH 0/5] x86: XSA-170 follow-up Jan Beulich
2016-02-17 16:32 ` [PATCH 1/5] x86emul: fix rIP handling Jan Beulich
2016-02-17 17:51 ` Andrew Cooper [this message]
2016-02-17 16:35 ` [PATCH 2/5] x86emul: limit-check branch targets Jan Beulich
2016-02-17 17:59 ` Andrew Cooper
2016-02-25 14:52 ` Ping: " Jan Beulich
2016-02-26 9:44 ` Tim Deegan
2016-02-17 16:36 ` [PATCH 3/5] x86emul: simplify IRET logic Jan Beulich
2016-02-17 18:03 ` Andrew Cooper
2016-02-17 16:37 ` [PATCH 4/5] VMX: fold redundant code Jan Beulich
2016-02-17 18:05 ` Andrew Cooper
2016-02-18 5:26 ` Tian, Kevin
2016-02-17 16:38 ` [PATCH 5/5] x86: drop failsafe callback invocation from assembly Jan Beulich
2016-02-17 19:01 ` Andrew Cooper
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