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Re: [Qemu-devel] [PATCH 2/5] virtio: increase VIRITO_QUEUE_MAX to 513
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH 2/5] virtio: increase VIRITO_QUEUE_MAX to 513 |
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Date: |
Fri, 6 Feb 2015 16:21:39 +0000 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Fri, Feb 06, 2015 at 03:54:10PM +0800, Jason Wang wrote:
Subject has a typo s/VIRITIO/VIRTIO/
> Recent linux kernel supports up to 256 tap queues. Increase the limit
> to 513 (256 * 2 + 1(ctrl vq)).
For other reviewers:
sizeof(VirtQueue) on x86_64 is 88 bytes. We waste memory but it's only
on the order of 40 KB so I think this is okay.
pgpLbWwi_XP9g.pgp
Description: PGP signature
- [Qemu-devel] [PATCH 0/5] Support more virtio queues, Jason Wang, 2015/02/06
- [Qemu-devel] [PATCH 2/5] virtio: increase VIRITO_QUEUE_MAX to 513, Jason Wang, 2015/02/06
- [Qemu-devel] [PATCH 1/5] virtio: rename VIRTIO_PCI_QUEUE_MAX to VIRTIO_QUEUE_MAX, Jason Wang, 2015/02/06
- [Qemu-devel] [PATCH 3/5] virtio-net: fix the upper bound when trying to delete queues, Jason Wang, 2015/02/06
- [Qemu-devel] [PATCH 4/5] pci: remove hard-coded bar size in msix_init_exclusive_bar(), Jason Wang, 2015/02/06
- [Qemu-devel] [PATCH 5/5] virtio-pci: introduce auto_msix_bar_size property, Jason Wang, 2015/02/06
- Re: [Qemu-devel] [PATCH 0/5] Support more virtio queues, Stefan Hajnoczi, 2015/02/06