From: Greg Kurz <groug@kaod.org>
To: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Ming Lei <tom.leiming@gmail.com>, Ming Lei <ming.lei@redhat.com>,
Omar Sandoval <osandov@fb.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Christoph Hellwig <hch@lst.de>,
Paolo Bonzini <pbonzini@redhat.com>,
Hannes Reinecke <hare@suse.de>, Jens Axboe <axboe@kernel.dk>,
Linux SCSI List <linux-scsi@vger.kernel.org>,
linux-block <linux-block@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
qemu-discuss@nongnu.org, qemu-devel <qemu-devel@nongnu.org>
Subject: Re: Slow boot in QEMU with virtio-scsi disks
Date: Wed, 22 Aug 2018 12:15:23 +0200 [thread overview]
Message-ID: <20180822121523.4494871d@bahia.lan> (raw)
In-Reply-To: <98344e68266e447826f133ad14d0c83d@natalenko.name>
On Sat, 11 Aug 2018 19:39:56 +0200
Oleksandr Natalenko <oleksandr@natalenko.name> wrote:
> Hi.
>
> On 11.08.2018 14:23, Ming Lei wrote:
> > Please test for-4.19/block:
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/log/?h=for-4.19/block
> >
> > This slow boot issue should have been fixed by the following commits:
> >
> > 1311326cf475 blk-mq: avoid to synchronize rcu inside
> > blk_cleanup_queue()
> > 97889f9ac24f blk-mq: remove synchronize_rcu() from
> > blk_mq_del_queue_tag_set()
> > 5815839b3ca1 blk-mq: introduce new lock for protecting
> > hctx->dispatch_wait
> > 2278d69f030f blk-mq: don't pass **hctx to blk_mq_mark_tag_wait()
> > 8ab6bb9ee8d0 blk-mq: cleanup blk_mq_get_driver_tag()
>
> Indeed, I can confirm that these commits fix the issue.
>
> Thanks a lot.
>
So do I.
Thanks Ming Lei for the fix !
Cheers,
--
Greg
prev parent reply other threads:[~2018-08-22 10:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-11 9:47 Slow boot in QEMU with virtio-scsi disks Oleksandr Natalenko
2018-08-11 12:23 ` Ming Lei
2018-08-11 17:39 ` Oleksandr Natalenko
2018-08-22 10:15 ` Greg Kurz [this message]
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