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authorGreg Kroah-Hartman <gregkh@suse.de>2009-07-16 12:34:20 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:01:48 -0700
commit28b6ca9c07787885b89972929f45084eb3197d98 (patch)
treea6b79999e6d0b1151e42efd1d6ff81f8c5a62b6a
parentb4362c9c1fe8bec487e275f92fdf57c585ac236a (diff)
Staging: hv: osd: remove MemoryFence wrapper
Use the "real" mb call instead of a wrapper function. Cc: Hank Janssen <hjanssen@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/staging/hv/RingBuffer.c4
-rw-r--r--drivers/staging/hv/Vmbus.c2
-rw-r--r--drivers/staging/hv/include/osd.h2
-rw-r--r--drivers/staging/hv/osd.c5
4 files changed, 3 insertions, 10 deletions
diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c
index 21fc4cc6326..e99546835f2 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/RingBuffer.c
@@ -411,7 +411,7 @@ RingBufferWrite(
sizeof(u64));
// Make sure we flush all writes before updating the writeIndex
- MemoryFence();
+ mb();
// Now, update the write location
SetNextWriteLocation(OutRingInfo, nextWriteLocation);
@@ -532,7 +532,7 @@ RingBufferRead(
// Make sure all reads are done before we update the read index since
// the writer may start writing to the read area once the read index is updated
- MemoryFence();
+ mb();
// Update the read index
SetNextReadLocation(InRingInfo, nextReadLocation);
diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/Vmbus.c
index 4ad40be0bdf..72bb08f2439 100644
--- a/drivers/staging/hv/Vmbus.c
+++ b/drivers/staging/hv/Vmbus.c
@@ -426,7 +426,7 @@ VmbusOnMsgDPC(
// Make sure the write to MessageType (ie set to HvMessageTypeNone) happens
// before we read the MessagePending and EOMing. Otherwise, the EOMing will not deliver
// any more messages since there is no empty slot
- MemoryFence();
+ mb();
if (msg->Header.MessageFlags.MessagePending)
{
diff --git a/drivers/staging/hv/include/osd.h b/drivers/staging/hv/include/osd.h
index 504d585e713..467196d0044 100644
--- a/drivers/staging/hv/include/osd.h
+++ b/drivers/staging/hv/include/osd.h
@@ -119,8 +119,6 @@ extern void PageFree(void* page, unsigned int count);
extern void* MemMapIO(unsigned long phys, unsigned long size);
extern void MemUnmapIO(void* virt);
-extern void MemoryFence(void);
-
extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context);
extern void TimerClose(HANDLE hTimer);
extern int TimerStop(HANDLE hTimer);
diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c
index 0c2ad4916cb..7a4c4381fd4 100644
--- a/drivers/staging/hv/osd.c
+++ b/drivers/staging/hv/osd.c
@@ -197,11 +197,6 @@ void MemUnmapIO(void *virt)
//iounmap(virt);
}
-void MemoryFence()
-{
- mb();
-}
-
void TimerCallback(unsigned long data)
{
TIMER* t = (TIMER*)data;