From: Avi Kivity <avi@qumranet.com>
To: Avi Kivity <avi@qumranet.com>,
kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] kvm: Fix x86 emulator writeback
Date: Sun, 17 Jun 2007 19:58:33 +0300 [thread overview]
Message-ID: <46756839.50200@qumranet.com> (raw)
In-Reply-To: <20070617165201.GA23885@dreamland.darkstar.lan>
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
next prev parent reply other threads:[~2007-06-17 16:58 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-03 21:34 [BUG] Oops with KVM-27 Luca Tettamanti
2007-06-04 9:35 ` [kvm-devel] " Avi Kivity
2007-06-04 20:22 ` Luca Tettamanti
2007-06-04 20:51 ` Avi Kivity
2007-06-04 21:22 ` Luca Tettamanti
2007-06-05 7:27 ` Avi Kivity
2007-06-07 19:16 ` Luca
2007-06-10 12:22 ` Avi Kivity
2007-06-10 20:54 ` Luca
2007-06-11 7:44 ` Avi Kivity
2007-06-11 21:06 ` Luca
2007-06-12 6:44 ` Avi Kivity
2007-06-12 17:52 ` Luca Tettamanti
2007-06-13 8:59 ` Avi Kivity
2007-06-13 20:49 ` Luca Tettamanti
2007-06-14 8:26 ` Avi Kivity
2007-06-14 22:33 ` Luca Tettamanti
2007-06-14 22:53 ` Luca Tettamanti
2007-06-14 23:13 ` Luca Tettamanti
2007-06-14 23:27 ` Luca
2007-06-15 9:06 ` Avi Kivity
2007-06-15 21:49 ` Luca Tettamanti
2007-06-16 7:43 ` Avi Kivity
2007-06-17 15:14 ` Luca Tettamanti
2007-06-17 15:24 ` Avi Kivity
2007-06-17 16:52 ` [PATCH 1/2] kvm: Fix x86 emulator writeback Luca Tettamanti
2007-06-17 16:58 ` Avi Kivity [this message]
2007-06-18 10:07 ` Avi Kivity
2007-06-18 11:32 ` Avi Kivity
2007-06-19 20:25 ` Luca Tettamanti
2007-06-19 20:41 ` Luca Tettamanti
2007-06-20 7:47 ` Avi Kivity
2007-06-19 20:41 ` [PATCH 2/2] kvm: avoid useless memory write when possible Luca Tettamanti
2007-06-17 16:52 ` Luca Tettamanti
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