From: Jan Kiszka <jan.kiszka@siemens.com>
To: Avi Kivity <avi@redhat.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH 2/2] KVM: MMU: Keep going on permission error
Date: Thu, 08 Jul 2010 13:14:14 +0200 [thread overview]
Message-ID: <4C35B306.3020004@siemens.com> (raw)
In-Reply-To: <4C3475E9.8040901@redhat.com>
Avi Kivity wrote:
> On 07/07/2010 03:33 PM, Jan Kiszka wrote:
>> Avi Kivity wrote:
>>
>>> Real hardware disregards permission errors when computing page fault error
>>> code bit 0 (page present). Do the same.
>>>
>>>
>> This generates (false positive) build warnings here:
>>
>> CC [M] /data/kvm-kmod/x86/coalesced_mmio.o
>> /data/kvm-kmod/x86/paging_tmpl.h: In function ‘paging32_walk_addr’:
>> /data/kvm-kmod/x86/paging_tmpl.h:122: warning: ‘pte_access’ may be used
>> uninitialized in this function
>> /data/kvm-kmod/x86/paging_tmpl.h: In function ‘paging64_walk_addr’:
>> /data/kvm-kmod/x86/paging_tmpl.h:122: warning: ‘pte_access’ may be used
>> uninitialized in this function
>>
>
> Yes, I saw. I'll clear it up.
>
You already pushed some update, don't you? Then I'm afraid I have to
report that the problem persists.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2010-07-08 11:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-06 13:49 [PATCH 0/2] Fix walk_addr() page fault error codes Avi Kivity
2010-07-06 13:49 ` [PATCH 1/2] KVM: MMU: Only indicate a fetch fault in page fault error code if nx is enabled Avi Kivity
2010-07-06 13:49 ` [PATCH 2/2] KVM: MMU: Keep going on permission error Avi Kivity
2010-07-07 12:33 ` Jan Kiszka
2010-07-07 12:41 ` Avi Kivity
2010-07-08 11:14 ` Jan Kiszka [this message]
2010-07-08 11:19 ` Avi Kivity
2010-07-06 21:17 ` [PATCH 0/2] Fix walk_addr() page fault error codes Marcelo Tosatti
2010-07-07 1:49 ` Xiao Guangrong
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