From: Corey Minyard <[EMAIL PROTECTED]>
Change a barrier to cpu_relax(), which is more appropriate for a
polling loop.
Signed-off-by: Corey Minyard <[EMAIL PROTECTED]>
---
Index: linux-2.6.24/drivers/char/ipmi/ipmi_poweroff.c
===================================================================
--- linux-2.6.24.orig/drivers/char/ipmi/ipmi_poweroff.c
+++ linux-2.6.24/drivers/char/ipmi/ipmi_poweroff.c
@@ -175,7 +175,7 @@ static int ipmi_request_in_rc_mode(ipmi_
*/
while (atomic_read(&dummy_count) > 0) {
ipmi_poll_interface(user);
- barrier();
+ cpu_relax();
}
return halt_recv_msg.msg.data[0];
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