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(parent: 0eadaa9) | patch
drivers: hv: switch to use mb() instead of smp_mb()
authorJason Wang <jasowang@redhat.com>
Tue, 18 Jun 2013 05:04:23 +0000 (13:04 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 21 Jul 2013 00:16:07 +0000 (17:16 -0700)
commitfa59121e7fdf1da4794fa0cd62add42c7979028e
tree944daa51b112bd3a12eb2c6ab7e0ab4756204f20tree | snapshot
parent0eadaa9e3707fe8a5afa35bbff65b947c7fce24ccommit | diff
drivers: hv: switch to use mb() instead of smp_mb()

commit 35848f68b07df3f917cb13fc3c134718669f569b upstream.

Even if guest were compiled without SMP support, it could not assume that host
wasn't. So switch to use mb() instead of smp_mb() to force memory barriers for
UP guest.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hv/ring_buffer.c diff | blob | blame | history
drivers/hv/vmbus_drv.c diff | blob | blame | history
Arne's tree of linux kernel.