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From: Stefan Hajnoczi <stefanha@gmail.com>
To: 浩樊啊 <fanh2010@foxmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] 回复:  回复:  someconfusion on qemu i/o pocess and the qcow2format
Date: Tue, 22 Dec 2015 14:35:57 +0800	[thread overview]
Message-ID: <20151222063557.GA23256@stefanha-x1.localdomain> (raw)
In-Reply-To: <tencent_2948675B6FBA45B451428C81@qq.com>

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On Mon, Dec 21, 2015 at 10:48:07AM +0800, 浩樊啊 wrote:
> I want to change the queue_size of virtio-blk ring from 128 to 1024, so I  change here:
> s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
> but the vm will not work. Are any thing i missed ?

I think 1024 should work in theory (it's the max supported virtqueue
size).  You'd have to debug it to figure out why.

Stefan

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      reply	other threads:[~2015-12-22  6:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-20  3:21 [Qemu-devel] some confusion on qemu i/o pocess and the qcow2 format =?gb18030?B?usa3rrCh?=
2015-11-25  9:44 ` Stefan Hajnoczi
     [not found]   ` <tencent_04C6AF085D5F3396311ECC83@qq.com>
2015-12-02 13:29     ` [Qemu-devel] 回复: some confusion on qemu i/o pocess and the qcow2format Stefan Hajnoczi
2015-12-21  2:48       ` [Qemu-devel] =?gb18030?b?u9i4tKO6ICC72Li0o7ogIHNvbWVjb25mdXNpb24g?= =?gb18030?q?on_qemu_i/o_pocess_and_the_qcow2format?= =?gb18030?B?usa3rrCh?=
2015-12-22  6:35         ` Stefan Hajnoczi [this message]

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