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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [virtio-dev] RE: [PATCH v3 6/6] vhost-user: support registering external host notifiers |
| Date: | Thu, 19 Apr 2018 19:35:57 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 |
On 19/04/2018 19:27, Michael S. Tsirkin wrote: > > That CONFIG_SMP here is clearly wrong but I don't really know what > to set it to. Also, we probably should switch virtio_wmb to dma_XX > barriers. > > That's actually easy. Will try to do. Should it be dma_wmb() before updating the indices, and wmb() before writing the "kick virtqueue" register? Paolo
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