From: Jason Wang <jasowang@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>, mst@redhat.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, virtualization@lists.linux-foundation.org
Subject: Re: [PATCH net] Revert "vhost: cache used event for better performance"
Date: Wed, 26 Jul 2017 19:56:09 +0800	[thread overview]
Message-ID: <f52acfca-adf1-fffc-946c-675ce9e033ae@redhat.com> (raw)
In-Reply-To: <da300d74-ca7a-a636-0ed6-6aa78e6a5510@de.ibm.com>
On 2017年07月26日 18:53, Christian Borntraeger wrote:
> On 07/26/2017 10:03 AM, Jason Wang wrote:
>> This reverts commit 809ecb9bca6a9424ccd392d67e368160f8b76c92. Since it
>> was reported to break vhost_net. We want to cache used event and use
>> it to check for notification. We try to valid cached used event by
>> checking whether or not it was ahead of new, but this is not correct
>> all the time, it could be stale and there's no way to know about this.
>>
>> Signed-off-by: Jason Wang <jasowang@redhat.com>
> This would then qualify for stable ?
>
Yes it is.
Thanks
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next prev parent reply	other threads:[~2017-07-26 11:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-26  8:03 [PATCH net] Revert "vhost: cache used event for better performance" Jason Wang
2017-07-26 10:53 ` Christian Borntraeger
2017-07-26 11:56   ` Jason Wang [this message]
2017-07-26 12:57 ` Michael S. Tsirkin
2017-07-26 13:18   ` Jason Wang
2017-07-26 13:37     ` Jason Wang
2017-07-26 16:08       ` Michael S. Tsirkin
2017-07-30  6:26         ` K. Den
2017-08-09  2:38           ` Jason Wang
2017-08-09  4:37             ` Michael S. Tsirkin
2017-08-13 14:11               ` Koichiro Den
2017-08-13 16:12                 ` Koichiro Den
2017-07-26 15:21     ` Michael S. Tsirkin
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