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Date: Mon, 31 Mar 2014 14:22:50 +1030 From: Rusty Russell <rusty@...tcorp.com.au> To: Venkatesh Srinivas <venkateshs@...gle.com> Cc: Theodore Ts'o <tytso@....edu>, Linux Kernel Developers List <linux-kernel@...r.kernel.org>, "Michael S. Tsirkin" <mst@...hat.com>, virtualization@...ts.linux-foundation.org Subject: Re: [PATCH] virtio-blk: make the queue depth the max supportable by the hypervisor Venkatesh Srinivas <venkateshs@...gle.com> writes: > On Wed, Mar 19, 2014 at 10:48 AM, Venkatesh Srinivas > <venkateshs@...gle.com> wrote: >>> And I rewrote it substantially, mainly to take >>> VIRTIO_RING_F_INDIRECT_DESC into account. >>> >>> As QEMU sets the vq size for PCI to 128, Venkatash's patch wouldn't >>> have made a change. This version does (since QEMU also offers >>> VIRTIO_RING_F_INDIRECT_DESC. >> >> That divide-by-2 produced the same queue depth as the prior >> computation in QEMU was deliberate -- but raising it to 128 seems >> pretty reasonable. >> >> Signed-off-by: Venkatesh Srinivas <venkateshs@...gle.com> > > Soft ping about this patch. It's head of my virtio-next tree. Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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