virtio_ring.h uses mb() and friends, make it pull in asm/barrier.h itself, not rely on other headers to do it. Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/linux/virtio_ring.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index ca3ad41..b300787 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -1,6 +1,7 @@ #ifndef _LINUX_VIRTIO_RING_H #define _LINUX_VIRTIO_RING_H +#include <asm/barrier.h> #include <linux/irqreturn.h> #include <uapi/linux/virtio_ring.h> -- MST
On Sun, Jul 07, 2013 at 05:20:19PM +0300, Michael S. Tsirkin wrote:> virtio_ring.h uses mb() and friends, make > it pull in asm/barrier.h itself, not rely > on other headers to do it. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com>In particular this fixes warnings during test build: [linux]$ make -C tools/virtio/ make: Entering directory `/home/mst/scm/linux/tools/virtio' cc -g -O2 -Wall -I. -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -c -o virtio_test.o virtio_test.c In file included from ./linux/virtio_ring.h:1:0, from ../../usr/include/linux/vhost.h:17, from virtio_test.c:14: ./linux/../../../include/linux/virtio_ring.h: In function ?virtio_mb?: ./linux/../../../include/linux/virtio_ring.h:50:2: warning: implicit declaration of function ?mb? [-Wimplicit-function-declaration]> --- > include/linux/virtio_ring.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h > index ca3ad41..b300787 100644 > --- a/include/linux/virtio_ring.h > +++ b/include/linux/virtio_ring.h > @@ -1,6 +1,7 @@ > #ifndef _LINUX_VIRTIO_RING_H > #define _LINUX_VIRTIO_RING_H > > +#include <asm/barrier.h> > #include <linux/irqreturn.h> > #include <uapi/linux/virtio_ring.h> > > -- > MST
"Michael S. Tsirkin" <mst at redhat.com> writes:> virtio_ring.h uses mb() and friends, make > it pull in asm/barrier.h itself, not rely > on other headers to do it. > > Signed-off-by: Michael S. Tsirkin <mst at redhat.com>Applied. Thanks, Rusty. PS. I'll squeeze these into this merge window, since they're trivial.
Hi Rusty, On Mon, 08 Jul 2013 11:31:45 +0930 Rusty Russell <rusty at rustcorp.com.au> wrote:> > PS. I'll squeeze these into this merge window, since they're trivial.s/'re trivial/fix bugs/ ;-) -- Cheers, Stephen Rothwell sfr at canb.auug.org.au -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: not available URL: <http://lists.linuxfoundation.org/pipermail/virtualization/attachments/20130708/b6cd2ebb/attachment.sig>