linux-kernel - Re: [PATCH 1/2] kvm: Fix x86 emulator writeback

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Message-ID: <46756839.50200@qumranet.com>
Date:	Sun, 17 Jun 2007 19:58:33 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Avi Kivity <avi@...ranet.com>, kvm-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] kvm: Fix x86 emulator writeback

Luca Tettamanti wrote:
> When the old value and new one are the same the emulator skips the
> write; this is undesiderable when the destination is a MMIO area and the
> write shall be performed regardless of the previous value. This
> optimization breaks e.g. a Linux guest APIC compiled without
> X86_GOOD_APIC.
>
> Remove the check and always perform the writeback stage in the
> emulation.
>
>   

Applied this and the next patch.  Thanks!

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

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