From: Paolo Bonzini <pbonzini@redhat.com>
To: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, "Han,
Huaitong" <huaitong.han@intel.com>
Subject: Re: [PATCH 1/4] KVM: MMU: fix permission_fault()
Date: Wed, 6 Apr 2016 10:17:39 +0200 [thread overview]
Message-ID: <5704C623.2060300@redhat.com> (raw)
In-Reply-To: <57048231.6070103@linux.intel.com>
On 06/04/2016 05:27, Xiao Guangrong wrote:
>
> I tested it and it is failed:
>
> test pte.p pte.user pde.p pde.user pde.a pde.pse pkru.wd pkey=1 user
> write efer.nx cr4.pke: FAIL: error code 27 expected 7
> Dump mapping: address: 0x123400000000
> ------L4: 2ebe007
> ------L3: 2ebf007
> ------L2: 8000000020000a5
>
> So PFEC.PKEY is set even if the ordinary check failed (caused by pde.rw
> = 0), the kvm code is
> right. :)
Cool, thanks very much. I'll fix both QEMU and kvm-unit-tests.
Paolo
next prev parent reply other threads:[~2016-04-06 8:17 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-25 13:19 [PATCH 1/4] KVM: MMU: fix permission_fault() Xiao Guangrong
2016-03-25 13:19 ` [PATCH 2/4] KVM: MMU: simplify the logic of __mmu_unsync_walk() Xiao Guangrong
2016-03-25 13:19 ` [PATCH 3/4] KVM: MMU: reduce the size of mmu_page_path Xiao Guangrong
2016-03-25 13:45 ` Paolo Bonzini
2016-03-25 13:48 ` Xiao Guangrong
2016-03-25 13:56 ` Paolo Bonzini
2016-03-25 14:07 ` Xiao Guangrong
2016-03-25 14:22 ` Paolo Bonzini
2016-03-25 13:19 ` [PATCH 4/4] KVM: MMU: skip obsolete sp in for_each_gfn_*() Xiao Guangrong
2016-03-29 9:44 ` Paolo Bonzini
2016-03-25 13:35 ` [PATCH 1/4] KVM: MMU: fix permission_fault() Paolo Bonzini
2016-03-25 13:41 ` Xiao Guangrong
2016-03-25 13:50 ` Paolo Bonzini
2016-03-25 14:21 ` Paolo Bonzini
2016-03-29 17:43 ` Xiao Guangrong
2016-03-29 20:09 ` Paolo Bonzini
2016-03-30 1:56 ` Xiao Guangrong
2016-03-30 6:36 ` Paolo Bonzini
2016-03-30 6:39 ` Xiao Guangrong
2016-04-06 3:27 ` Xiao Guangrong
2016-04-06 8:17 ` Paolo Bonzini [this message]
2016-04-06 8:56 ` Paolo Bonzini
2016-04-06 15:09 ` Xiao Guangrong
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