linux-kernel - Re: [PATCH 00/11] KVM updates for Linux 2.6.24-rc review

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Message-ID: <471B340C.5010800@qumranet.com>
Date:	Sun, 21 Oct 2007 13:12:12 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Laurent Vivier <Laurent.Vivier@...l.net>
CC:	kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/11] KVM updates for Linux 2.6.24-rc review

Avi Kivity wrote:
> The following patches fix fallout from the main 2.6.24 KVM merge.  An
> exception is the movnti emulation patch, which adds support for Linux
> 2.6.16 guests.
>
> The patches can be found in kvm.git in the branch kvm-updates-2.6.24.
> There is also a branch kvm-updates-2.6.25 which will form the basis of
> the next merge window submission.
>
> Please review the patches and let me know if something is wrong or if
> a patch is missing.
>
>   


Laurent, I believe the following patch (in kvm-updates-2.6.25) needs to 
go into 2.6.24 as well.  Can you comment on this?

> commit 6de232e39be372f85bea96eb741962acc7fcb1f7
> Author: Laurent Vivier <Laurent.Vivier@...l.net>
> Date:   Mon Oct 1 11:01:06 2007 +0200
>
>     KVM: x86 emulator: Correct management of REP prefix
>
>     This patch corrects some errors appearing when we have an 
> emulation failure
>     on an operation using REP prefix.
>
>     When x86_emulate_insn() fails, saving EIP and ECX is not enough as 
> emulation
>     should have modified other registers like RSI or RDI. Moreover, 
> the emulation
>     can fail on the writeback, and in this case we are not able to restore
>     registers.
>
>     At beginning of x86_emulate_insn(), we restore registers from vcpu 
> as they were
>     not modified by x86d_decode_insn() and we save EIP to be able to 
> restore it
>     in case of failure.
>

-- 
error compiling committee.c: too many arguments to function

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