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Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size ex
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error |
Date: |
Fri, 22 Feb 2019 16:47:14 +0000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
* Paolo Bonzini (address@hidden) wrote:
> On 22/02/19 17:37, Dr. David Alan Gilbert wrote:
> > Why does vring_avail_idx use virtio_ld*u*w_phys_cached?
> > (similar for vring_avail_ring).
> > There's no generically safe way to do unaligned atomic loads - don't we know
> > in virtio that these are naturally aligned?
>
> u is for unsigned. :) We know that these are aligned and so they will
> be atomic.
Ah OK!
Dave
> Paolo
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, (continued)
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Fernando Casas Schössow, 2019/02/20
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Stefan Hajnoczi, 2019/02/21
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Fernando Casas Schössow, 2019/02/21
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- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Stefan Hajnoczi, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Paolo Bonzini, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Fernando Casas Schössow, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Paolo Bonzini, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Fernando Casas Schössow, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Dr. David Alan Gilbert, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Paolo Bonzini, 2019/02/22
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error,
Dr. David Alan Gilbert <=
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Natanael Copa, 2019/02/23
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Paolo Bonzini, 2019/02/26
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Fernando Casas Schössow, 2019/02/28
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Natanael Copa, 2019/02/23
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Peter Maydell, 2019/02/23
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Natanael Copa, 2019/02/25
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Peter Maydell, 2019/02/25
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Fernando Casas Schössow, 2019/02/25
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Natanael Copa, 2019/02/25
- Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error, Peter Maydell, 2019/02/25