Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH 0/6] virtio: graceful failure with get == NULL | Date | Tue, 20 Jan 2015 16:59:15 +1030 |
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"Michael S. Tsirkin" <mst@redhat.com> writes: > On Tue, Jan 13, 2015 at 04:43:07PM +0200, Michael S. Tsirkin wrote: >> virtio 1.0 says device configuration is optional, but most drivers treat it as >> mandatory. Even if presented by device, guest bios might disable the BAR >> holding that configuration, so we can't assume it's there, but we also don't >> want to fail if not in case drivers can cope with it's absence - such as caif >> or rng. >> >> Add code to drivers to check presence of get callback and fail gracefully. > > Rusty, in case it's not clear: I'd like to hear > your opinion on these patches, since virtio pci modern > driver I'm now preparing for submission, depends on this.
Just to note for anyone following, that these are now in my virtio-next tree.
Cheers, Rusty.
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