Thread (19 messages) 19 messages, 4 authors, 2012-09-07

Re: [PATCH] virtio-blk: Fix kconfig option

From: Kent Overstreet <hidden>
Date: 2012-09-06 09:25:19
Also in: lkml

Possibly related (same subject, not in this thread)

On Thu, Sep 06, 2012 at 11:44:03AM +0300, Michael S. Tsirkin wrote:
On Thu, Sep 06, 2012 at 12:41:13AM -0700, Kent Overstreet wrote:
quoted
On Tue, Sep 04, 2012 at 03:53:53PM +0930, Rusty Russell wrote:
quoted
Kent Overstreet [off-list ref] writes:
quoted
CONFIG_VIRTIO isn't exposed, everything else is supposed to select it
instead.
This is a slight mis-understanding.  It's supposed to be selected by
the particular driver, probably virtio_pci in your case.
So are you saying virtio-blk depends on virtio-pci? If so, the kconfig
should have that.

As is, VIRTIO_BLK just has:
	depends on EXPERIMENTAL && VIRTIO

which is flat out broken.
I don't think anything is broken.
Can you show an example of a broken configuration?
Do you not understand the difference between depends an selects? Or did
you not read my original mail?

Flip off everything in drivers -> virtio

Now go to drivers -> block and try to turn on virtio-blk.

It's not listed!

Now go back to drivers -> virtio and turn on (randomly) balloon.

Go back to drivers -> block, and now you can turn on virtio-blk!

Do you see what's wrong with this picture?
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