From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Vivek Goyal <vgoyal@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: virtio-fs-list <virtio-fs@redhat.com>,
pbonzini@redhat.com, sean.j.christopherson@intel.com
Subject: Re: [Virtio-fs] [PATCH v4] kvm, x86: Exit to user space in case page fault error
Date: Mon, 27 Jul 2020 18:09:32 +0200 [thread overview]
Message-ID: <87ft9dlz2b.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20200727135603.GA39559@redhat.com>
Vivek Goyal <vgoyal@redhat.com> writes:
> On Mon, Jul 20, 2020 at 05:13:59PM -0400, Vivek Goyal wrote:
>> Page fault error handling behavior in kvm seems little inconsistent when
>> page fault reports error. If we are doing fault synchronously
>> then we capture error (-EFAULT) returned by __gfn_to_pfn_memslot() and
>> exit to user space and qemu reports error, "error: kvm run failed Bad address".
>
> Hi Vitaly,
>
> A gentle reminder. How does this patch look now?
>
Sorry, I even reviewd it but never replied. It looks good to me!
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
--
Vitaly
WARNING: multiple messages have this Message-ID (diff)
From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Vivek Goyal <vgoyal@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: virtio-fs-list <virtio-fs@redhat.com>,
pbonzini@redhat.com, sean.j.christopherson@intel.com
Subject: Re: [PATCH v4] kvm,x86: Exit to user space in case page fault error
Date: Mon, 27 Jul 2020 18:09:32 +0200 [thread overview]
Message-ID: <87ft9dlz2b.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20200727135603.GA39559@redhat.com>
Vivek Goyal <vgoyal@redhat.com> writes:
> On Mon, Jul 20, 2020 at 05:13:59PM -0400, Vivek Goyal wrote:
>> Page fault error handling behavior in kvm seems little inconsistent when
>> page fault reports error. If we are doing fault synchronously
>> then we capture error (-EFAULT) returned by __gfn_to_pfn_memslot() and
>> exit to user space and qemu reports error, "error: kvm run failed Bad address".
>
> Hi Vitaly,
>
> A gentle reminder. How does this patch look now?
>
Sorry, I even reviewd it but never replied. It looks good to me!
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
--
Vitaly
next prev parent reply other threads:[~2020-07-27 16:09 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 21:13 [Virtio-fs] [PATCH v4] kvm, x86: Exit to user space in case page fault error Vivek Goyal
2020-07-20 21:13 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-07-27 13:56 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-07-27 13:56 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-07-27 16:09 ` Vitaly Kuznetsov [this message]
2020-07-27 16:09 ` Vitaly Kuznetsov
2020-07-27 18:40 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-07-27 18:40 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-07-30 5:01 ` [Virtio-fs] [PATCH v4] kvm, x86: " Pankaj Gupta
2020-07-30 5:01 ` [PATCH v4] kvm,x86: " Pankaj Gupta
2020-08-07 17:51 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-08-07 17:51 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-09-29 4:37 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-09-29 4:37 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-01 21:55 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-01 21:55 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-01 22:33 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-01 22:33 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-02 15:38 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-02 15:38 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-02 18:30 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-02 18:30 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-02 19:27 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-02 19:27 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-02 19:45 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-02 19:45 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-02 20:02 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-02 20:02 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-02 21:13 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-02 21:13 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-05 15:33 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-05 15:33 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-05 16:16 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-05 16:16 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-06 13:46 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-06 13:46 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-06 14:05 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vitaly Kuznetsov
2020-10-06 14:05 ` [PATCH v4] kvm,x86: " Vitaly Kuznetsov
2020-10-06 14:15 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-06 14:15 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-06 14:50 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vitaly Kuznetsov
2020-10-06 14:50 ` [PATCH v4] kvm,x86: " Vitaly Kuznetsov
2020-10-06 15:08 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-06 15:08 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-06 15:24 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vitaly Kuznetsov
2020-10-06 15:24 ` [PATCH v4] kvm,x86: " Vitaly Kuznetsov
2020-10-06 16:12 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-06 16:12 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-06 16:24 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vivek Goyal
2020-10-06 16:24 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-06 16:39 ` [Virtio-fs] [PATCH v4] kvm, x86: " Vitaly Kuznetsov
2020-10-06 16:39 ` [PATCH v4] kvm,x86: " Vitaly Kuznetsov
2020-10-06 17:17 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-06 17:17 ` [PATCH v4] kvm,x86: " Sean Christopherson
2020-10-06 17:21 ` [Virtio-fs] [PATCH v4] kvm, x86: " Dr. David Alan Gilbert
2020-10-06 17:21 ` Dr. David Alan Gilbert
2020-10-06 17:28 ` Vivek Goyal
2020-10-06 17:28 ` Vivek Goyal
2020-10-06 17:35 ` Vivek Goyal
2020-10-06 17:35 ` [PATCH v4] kvm,x86: " Vivek Goyal
2020-10-07 0:04 ` [Virtio-fs] [PATCH v4] kvm, x86: " Sean Christopherson
2020-10-07 0:04 ` [PATCH v4] kvm,x86: " Sean Christopherson
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