On Wed, Jul 08, 2015 at 05:37:12PM +0300, Michael S. Tsirkin wrote: > On Thu, Jul 02, 2015 at 09:21:21AM +0800, Fam Zheng wrote: > > On Wed, 07/01 22:45, Naredula Janardhana Reddy wrote: > > > HI, > > > I am trying to improve the throughput of virtio-blk for my kernel ( > > > https://github.com/naredula-jana/Jiny-Kernel ) to make use of the > > > multi-core using multi-queue. But I found the latest qemu does not > > > support > > > multiqueue for virtio-blk, The feature flag does not return multi-queue > > > support. Do we have any patches to the qemu for enabling multi-queue for > > > virtio-blk similar to that of virtio-net. Can someone help some pointers > > > related to this.. > > > > There was a series last year adding support for multi-queue but wan't > > merged to > > the code base: > > > > http://comments.gmane.org/gmane.comp.emulators.qemu/289126 > > > > Fam > > Looks like it was mostly about the missing GPL license on some files. > Or did I miss some bigger issues?
I think this led to a lot of optimization and some controversial design questions about bypassing parts of the QEMU block layer. So I doubt that this series can be merged without significant changes. Will take a look at it again though because I'm also interested in multiqueue block layer support. Stefan
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