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authorThomas Gleixner <tglx@linutronix.de>2013-05-05 08:24:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-05-05 08:27:03 +0200
commitf99e44a7f3352d7131c7526207f153f13ec5acd4 (patch)
tree0f448b21128c478053ee7f7765b865954c4eebe8 /drivers/hv/ring_buffer.c
parentfd29f424d458118f02e89596505c68a63dcb3007 (diff)
parentce857229e0c3adc211944a13a5579ef84fd7b4af (diff)
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/hv/ring_buffer.c')
-rw-r--r--drivers/hv/ring_buffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index cafa72ffdc30..d6fbb5772b8d 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -71,6 +71,7 @@ u32 hv_end_read(struct hv_ring_buffer_info *rbi)
static bool hv_need_to_signal(u32 old_write, struct hv_ring_buffer_info *rbi)
{
+ smp_mb();
if (rbi->ring_buffer->interrupt_mask)
return false;