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Staging: hv: osd: remove MemoryFence wrapper

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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>
This commit is contained in:
Greg Kroah-Hartman 2009-07-16 12:34:20 -07:00
parent b4362c9c1f
commit 28b6ca9c07
4 changed files with 3 additions and 10 deletions
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4
drivers/staging/hv/RingBuffer.c
View file

@ -411,7 +411,7 @@ RingBufferWrite(
sizeof(u64)); sizeof(u64));
// Make sure we flush all writes before updating the writeIndex // Make sure we flush all writes before updating the writeIndex
MemoryFence(); mb();
// Now, update the write location // Now, update the write location
SetNextWriteLocation(OutRingInfo, nextWriteLocation); SetNextWriteLocation(OutRingInfo, nextWriteLocation);
@ -532,7 +532,7 @@ RingBufferRead(
// Make sure all reads are done before we update the read index since // 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 // the writer may start writing to the read area once the read index is updated
MemoryFence(); mb();
// Update the read index // Update the read index
SetNextReadLocation(InRingInfo, nextReadLocation); SetNextReadLocation(InRingInfo, nextReadLocation);

2
drivers/staging/hv/Vmbus.c
View file

@ -426,7 +426,7 @@ VmbusOnMsgDPC(
// Make sure the write to MessageType (ie set to HvMessageTypeNone) happens // Make sure the write to MessageType (ie set to HvMessageTypeNone) happens
// before we read the MessagePending and EOMing. Otherwise, the EOMing will not deliver // before we read the MessagePending and EOMing. Otherwise, the EOMing will not deliver
// any more messages since there is no empty slot // any more messages since there is no empty slot
MemoryFence(); mb();
if (msg->Header.MessageFlags.MessagePending) if (msg->Header.MessageFlags.MessagePending)
{ {

2
drivers/staging/hv/include/osd.h
View file

@ -119,8 +119,6 @@ extern void PageFree(void* page, unsigned int count);
extern void* MemMapIO(unsigned long phys, unsigned long size); extern void* MemMapIO(unsigned long phys, unsigned long size);
extern void MemUnmapIO(void* virt); extern void MemUnmapIO(void* virt);
extern void MemoryFence(void);
extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context); extern HANDLE TimerCreate(PFN_TIMER_CALLBACK pfnTimerCB, void* context);
extern void TimerClose(HANDLE hTimer); extern void TimerClose(HANDLE hTimer);
extern int TimerStop(HANDLE hTimer); extern int TimerStop(HANDLE hTimer);

5
drivers/staging/hv/osd.c
View file

@ -197,11 +197,6 @@ void MemUnmapIO(void *virt)
//iounmap(virt); //iounmap(virt);
} }
void MemoryFence()
{
mb();
}
void TimerCallback(unsigned long data) void TimerCallback(unsigned long data)
{ {
TIMER* t = (TIMER*)data; TIMER* t = (TIMER*)data;