Messages in this thread | | | Date | Thu, 16 May 2013 10:16:36 +0800 | From | Asias He <> | Subject | Re: [PATCH] vhost-scsi: Depend on NET for memcpy_fromiovec |
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On Thu, May 16, 2013 at 09:05:38AM +0930, Rusty Russell wrote: > "Nicholas A. Bellinger" <nab@linux-iscsi.org> writes: > > On Wed, 2013-05-15 at 14:47 +0930, Rusty Russell wrote: > >> Asias He <asias@redhat.com> writes: > >> > scsi.c includes vhost.c which uses memcpy_fromiovec. > >> > > >> > This patch fixes this build failure. > >> > > >> > From Randy Dunlap: > >> > ''' > >> > on x86_64: > >> > > >> > ERROR: "memcpy_fromiovec" [drivers/vhost/vhost_scsi.ko] undefined! > >> > > >> > It needs to depend on NET since net/core/ provides that function. > >> > ''' > >> > >> Proper fix please. > >> > >> Though I can't see why you thought this was a good idea. Nonetheless, I > >> shan't highlight why: I have far too much respect for your intellects > >> and abilities. > >> > >> No, don't thank me! > > > > Hi Rusty & Asias, > > > > I assume you mean something like the following patch to allow kbuild to > > work when VHOST_NET + VHOST_SCSI are both enabled and sharing vhost.o, > > yes..? > > No, that's a separate issue. > > memcpy_fromiovec() has nothing to do with networking: that was just the > first user. Note that crypto/algif_skcipher.c also uses it. The > obvious answer is to move it into lib/.
That's true. I also want this.
> OTOH making vhost_scsi depend on CONFIG_NET is breathtakingly lazy. I > expect better from experienced kernel hackers :(
But do you think moving the memcpy_fromiovec stuff is a 3.10 material?
> Rusty.
-- Asias
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