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Re: [Qemu-devel] [PATCH] virtio-serial: virtio console emergency write s
From: |
Amit Shah |
Subject: |
Re: [Qemu-devel] [PATCH] virtio-serial: virtio console emergency write support |
Date: |
Mon, 26 Sep 2016 17:26:25 +0530 |
Hi,
On (Wed) 21 Sep 2016 [14:17:48], Sascha Silbe wrote:
> Add support for the virtio 1.0 "emergency write"
> (VIRTIO_CONSOLE_F_EMERG_WRITE) feature. This is useful for early guest
> debugging and might be used in cases where the guest crashes so badly
> that it cannot use virtqueues.
>
> Disabled for compatibility machines to avoid exposing a new feature to
> existing guests.
>
> Reviewed-by: Cornelia Huck <address@hidden>
> Signed-off-by: Sascha Silbe <address@hidden>
This looks fine, but can you split the patch - adding
find_first_connected_console(), set_config, and then finally enabling
the emergency_write feature?
Thanks,
Amit