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Re: [Qemu-devel] [PATCH v4] virtio-scsi: restart DMA after iothread
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH v4] virtio-scsi: restart DMA after iothread |
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Date: |
Mon, 17 Jun 2019 19:23:41 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 17/06/19 14:29, Kevin Wolf wrote:
> But in the end, if Paolo feels strongly that for whatever reason
> propagating events through the real device tree isn't good, let's get
> the bug fixed with whatever hack it takes.
It is actually good, but the implementation in hw/scsi is ugly because
it singles out virtio-scsi - whereas the rule should simply be that the
HBA is stopped after the disks and started before. Having the HBA do
something special if it cares about the order is the part that I didn't
like.
Paolo