linux-kernel - Re: [PATCH V2 0/4] Prevent vhost kthread from hogging CPU

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Date:   Thu, 23 May 2019 10:37:39 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        pbonzini@...hat.com, stefanha@...hat.com
Subject: Re: [PATCH V2 0/4] Prevent vhost kthread from hogging CPU


On 2019/5/20 下午8:52, Michael S. Tsirkin wrote:
> On Fri, May 17, 2019 at 12:29:48AM -0400, Jason Wang wrote:
>> Hi:
>>
>> This series try to prevent a guest triggerable CPU hogging through
>> vhost kthread. This is done by introducing and checking the weight
>> after each requrest. The patch has been tested with reproducer of
>> vsock and virtio-net. Only compile test is done for vhost-scsi.
>>
>> Please review.
>> This addresses CVE-2019-3900.
> OK I think we should clean this code some more but given
> it's a CVE fix maybe it's best to do as a patch on top.
>
> Acked-by: Michael S. Tsirkin<mst@...hat.com>
>
> Dave do you want to merge this or should I?
>

According to David's last reply, it's better for you to merge I think.

Thanks