From: Stefan Hajnoczi <stefanha@gmail.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-aio@kvack.org, linux-scsi <linux-scsi@vger.kernel.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
lf-virt <virtualization@lists.linux-foundation.org>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
Anthony Liguori <aliguori@linux.vnet.ibm.com>,
Jeff Moyer <jmoyer@redhat.com>,
target-devel <target-devel@vger.kernel.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Paolo Bonzini <pbonzini@redhat.com>,
Benjamin LaHaise <bcrl@kvack.org>,
linux-fsdevel@vger.kernel.org, Zhi Yong Wu <wuzhy@cn.ibm.com>,
Christoph Hellwig <hch@lst.de>,
Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Subject: Re: [PATCH RESEND 0/5] Add vhost-blk support
Date: Wed, 18 Jul 2012 12:42:09 +0100 [thread overview]
Message-ID: <CAJSP0QWKtsRDYB9uPPg7K8k2HHvgrQKBP9+biDwfyCmN=WmJqQ__34279.6647259549$1342611753$gmane$org@mail.gmail.com> (raw)
In-Reply-To: <20120717150928.GB11587@redhat.com>
On Tue, Jul 17, 2012 at 4:09 PM, Michael S. Tsirkin <mst@redhat.com> wrote:
> On Fri, Jul 13, 2012 at 04:55:06PM +0800, Asias He wrote:
>>
>> Hi folks,
>>
>> [I am resending to fix the broken thread in the previous one.]
>>
>> This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk
>> device accelerator. Compared to userspace virtio-blk implementation, vhost-blk
>> gives about 5% to 15% performance improvement.
>
> Same thing as tcm_host comment:
>
> It seems not 100% clear whether this driver will have major
> userspace using it. And if not, it would be very hard to support a
> driver when recent userspace does not use it in the end.
>
> I think a good idea for 3.6 would be to make it depend on
> CONFIG_STAGING. Then we don't commit to an ABI. For this, you can add
> a separate Kconfig and source it from drivers/staging/Kconfig. Maybe it
> needs to be in a separate directory drivers/vhost/staging/Kconfig.
>
> I Cc'd the list of tcm_host in the hope that you can cooperate on this.
>
Adding it to staging allows more people to try it out, so that's a
good thing. If I get a moment to play with it I'll let you know the
results.
Stefan
next prev parent reply other threads:[~2012-07-18 11:42 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-13 8:55 [PATCH RESEND 0/5] Add vhost-blk support Asias He
2012-07-13 8:55 ` Asias He
2012-07-13 8:55 ` [PATCH RESEND 1/5] aio: Export symbols and struct kiocb_batch for in kernel aio usage Asias He
2012-07-13 8:55 ` Asias He
2012-07-13 8:55 ` Asias He
2012-07-13 8:55 ` [PATCH RESEND 2/5] eventfd: Export symbol eventfd_file_create() Asias He
2012-07-13 8:55 ` Asias He
2012-07-13 8:55 ` [PATCH RESEND 3/5] vhost: Make vhost a separate module Asias He
2012-07-13 8:55 ` Asias He
2012-07-13 8:55 ` [PATCH RESEND 4/5] vhost-net: Use VHOST_NET_FEATURES for vhost-net Asias He
2012-07-13 8:55 ` Asias He
2012-07-13 8:55 ` [PATCH RESEND 5/5] vhost-blk: Add vhost-blk support Asias He
2012-07-13 8:55 ` Asias He
2012-07-17 19:10 ` Jeff Moyer
2012-07-17 19:10 ` Jeff Moyer
2012-07-18 1:22 ` Asias He
2012-07-18 1:22 ` Asias He
2012-07-18 14:31 ` Jeff Moyer
2012-07-18 14:45 ` Asias He
2012-07-18 14:45 ` Asias He
2012-07-18 14:31 ` Jeff Moyer
2012-07-19 13:05 ` Anthony Liguori
2012-07-19 13:09 ` Michael S. Tsirkin
2012-07-19 13:09 ` Michael S. Tsirkin
2012-07-19 13:09 ` Michael S. Tsirkin
2012-07-19 13:09 ` Michael S. Tsirkin
2012-07-20 10:31 ` Stefan Hajnoczi
2012-07-20 10:31 ` Stefan Hajnoczi
2012-07-20 20:56 ` Anthony Liguori
2012-07-20 20:56 ` Anthony Liguori
2012-07-21 1:07 ` Asias He
2012-07-21 1:07 ` Asias He
2012-07-19 13:05 ` Anthony Liguori
2012-07-14 7:49 ` [PATCH RESEND 0/5] " Christoph Hellwig
2012-07-14 7:49 ` Christoph Hellwig
2012-07-16 9:05 ` Asias He
2012-07-16 9:05 ` Asias He
2012-07-16 9:05 ` Asias He
2012-07-14 7:49 ` Christoph Hellwig
2012-07-17 15:09 ` Michael S. Tsirkin
2012-07-17 15:09 ` Michael S. Tsirkin
2012-07-18 2:09 ` Asias He
2012-07-18 2:09 ` Asias He
2012-07-18 2:09 ` Asias He
2012-07-18 11:42 ` Stefan Hajnoczi
2012-07-18 11:42 ` Stefan Hajnoczi [this message]
2012-07-17 15:09 ` Michael S. Tsirkin
2012-07-20 19:30 ` Michael S. Tsirkin
2012-07-20 19:30 ` Michael S. Tsirkin
2012-07-20 19:30 ` Michael S. Tsirkin
-- strict thread matches above, loose matches on Subject: below --
2012-07-13 8:55 Asias He
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