linux-kernel - Re: [PULL] lguest and virtio patches

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Date:	Thu, 24 Jul 2008 16:58:53 +0100
From:	Mark McLoughlin <markmc@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Johannes Weiner <hannes@...urebad.de>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Carsten Otte <cotte@...ibm.com>, lguest <lguest@...abs.org>,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PULL] lguest and virtio patches

On Wed, 2008-07-23 at 17:27 +1000, Rusty Russell wrote:
> (Note the arch/s390 bit is from virtio console on KVM/s390)
> 
> The following changes since commit 0988c37c248e824953d95a11412696c348dbca91:
>   Linus Torvalds (1):
>         Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/.../tip/linux-2.6-tip
> 
> are available in the git repository at:
> 
>   ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus.git master
> 
...
> Rusty Russell (19):
>       virtio: Recycle unused recv buffer pages for large skbs in net driver
>       lguest: set max_pfn_mapped, growl loudly at Yinghai Lu
>       lguest: Guest int3 fix
>       lguest: Debugging patch for lguest network performance
>       lguest: fix verbose printing of device features.
>       lguest: virtio-rng support
>       virtio: clarify that ABI is usable by any implementations
>       virtio: don't always force a notification when ring is full
>       lguest: wrap last_avail accesses.
>       lguest: net block unneeded receive queue update notifications
>       lguest: Tell Guest net not to notify us on every packet xmit
>       lguest: Adaptive timeout
>       virtio: Formally reserve bits 28-31 to be 'transport' features.
>       virtio: Rename set_features to finalize_features
>       virtio: Add transport feature handling stub for virtio_ring.

This last one introduces a compile failure; fixup patch below.

Cheers,
Mark.

Subject: [PATCH] virtio: Fix compile error

Include virtio_config.h to fix:

  drivers/virtio/virtio_ring.c: In function ‘vring_transport_features’:
  drivers/virtio/virtio_ring.c:331: error: ‘VIRTIO_TRANSPORT_F_START’ undeclared (first use in this function)
  drivers/virtio/virtio_ring.c:331: error: (Each undeclared identifier is reported only once
  drivers/virtio/virtio_ring.c:331: error: for each function it appears in.)
  drivers/virtio/virtio_ring.c:331: error: ‘VIRTIO_TRANSPORT_F_END’ undeclared (first use in this function)
  make[1]: *** [drivers/virtio/virtio_ring.o] Error 1
  make: *** [drivers/virtio/] Error 2

The include is added by a later patch in Rusty's queue
which wasn't submitted, hence it only coming to light
now.

Signed-off-by: Mark McLoughlin <markmc@...hat.com>
---
 drivers/virtio/virtio_ring.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index e2671d5..6eb5303 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -18,6 +18,7 @@
  */
 #include <linux/virtio.h>
 #include <linux/virtio_ring.h>
+#include <linux/virtio_config.h>
 #include <linux/device.h>
 
 #ifdef DEBUG
-- 
1.5.5.1

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