From: Avi Kivity <avi@redhat.com>
To: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>,
Takuya Yoshikawa <takuya.yoshikawa@gmail.com>,
mtosatti@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCH for 3.3] KVM: Fix write protection race during dirty logging
Date: Mon, 06 Feb 2012 11:48:12 +0200 [thread overview]
Message-ID: <4F2FA1DC.8050208@redhat.com> (raw)
In-Reply-To: <4F2F6146.8070804@oss.ntt.co.jp>
On 02/06/2012 07:12 AM, Takuya Yoshikawa wrote:
> (2012/02/06 14:02), Xiao Guangrong wrote:
>
>> I am worrying if other paths(such as like
>> kvm_mmu_notifier_invalidate_page)
>> which unmap/modify writeable ptes and flush TLBs out of mmu lock have
>> the
>> same problem?
>>
>
> Yes, I think so ... (long standing bug?)
Ugh, I looked at arch/x86/kvm for this problem but not at virt/kvm.
>
> Let's ask Avi if he prefers to fix it separately then!
Separate fixes please.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-02-06 9:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-05 11:42 [PATCH for 3.3] KVM: Fix write protection race during dirty logging Takuya Yoshikawa
2012-02-06 3:40 ` Xiao Guangrong
2012-02-06 3:46 ` Takuya Yoshikawa
2012-02-06 3:53 ` Xiao Guangrong
2012-02-06 5:02 ` Xiao Guangrong
2012-02-06 5:12 ` Takuya Yoshikawa
2012-02-06 9:48 ` Avi Kivity [this message]
2012-02-08 16:38 ` Marcelo Tosatti
2012-02-09 13:54 ` Takuya Yoshikawa
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