From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] VMRUN should store the RIP after the instruction
Date: Wed, 04 Jun 2008 11:13:39 -0500 [thread overview]
Message-ID: <4846BF33.9030002@codemonkey.ws> (raw)
In-Reply-To: <4846AD03.5070908@suse.de>
Alexander Graf wrote:
> VMRUN stores the IP which is used to return to the instruction after
> the VMRUN in case of a VMEXIT. Due to recent changes, this does not
> happen anymore and a VMEXIT simply returns to the VMRUN instruction.
>
> Alex
The open-coded + 3 bothers me. Are there any circumstances that a
prefix could be used with vmrun that would change the instruction
length? vmrun doesn't appear to be affected by prefixes but I don't see
anything in the AMD manual specifically forbidding it.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2008-06-04 16:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-04 14:56 [Qemu-devel] [PATCH] VMRUN should store the RIP after the instruction Alexander Graf
2008-06-04 16:13 ` Anthony Liguori [this message]
2008-06-04 16:19 ` Alexander Graf
2008-06-04 17:56 ` Anthony Liguori
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