linux-kernel - Re: [PATCH 5.15 015/110] vhost: fix hung thread due to erroneous iotlb entries

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Message-ID: <20220315074834-mutt-send-email-mst@kernel.org>
Date:   Tue, 15 Mar 2022 07:50:10 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Anirudh Rayabharam <mail@...rudhrb.com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        syzbot+0abd373e2e50d704db87@...kaller.appspotmail.com,
        Sasha Levin <sashal@...nel.org>, jasowang@...hat.com
Subject: Re: [PATCH 5.15 015/110] vhost: fix hung thread due to erroneous
 iotlb entries

On Tue, Mar 15, 2022 at 10:19:52AM +0100, Greg Kroah-Hartman wrote:
> On Mon, Mar 14, 2022 at 09:44:43PM +0530, Anirudh Rayabharam wrote:
> > Mon, Mar 14, 2022 at 12:53:17PM +0100, Greg Kroah-Hartman wrote:
> > > From: Anirudh Rayabharam <mail@...rudhrb.com>
> > > 
> > > [ Upstream commit e2ae38cf3d91837a493cb2093c87700ff3cbe667 ]
> > 
> > This breaks batching of IOTLB messages. [1] fixes it but hasn't landed in
> > Linus' tree yet.
> > 
> > [1]: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?h=linux-next&id=95932ab2ea07b79cdb33121e2f40ccda9e6a73b5
> 
> Why is this tree not in linux-next?  I don't see this commit there, so
> how can it get to Linus properly?
> 
> thanks,
> 
> greg k-h

It is in next normally. I was sure this commit was there too. I'm not sure
what happened, maybe I forgot to push :(