---

yaml --- r: 114623 b: refs/heads/master c: 199f45c h: refs/heads/master i: 114621: 9dfa784 114619: 81416f2 114615: a4fb564 114607: fffd783 114591: b38f4df 114559: f2bec94 v: v3
git-mirror · Oct 13, 2008 · f572d57 · f572d57
1 parent 47c0580
commit f572d57
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Showing 2 changed files with 2 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2172fe8704a1df7cbb988ae1ec4edbfef3e28860
+refs/heads/master: 199f45c45e8d4f58a5f568464be933534460eb82
diff --git a/trunk/arch/powerpc/platforms/pseries/xics.c b/trunk/arch/powerpc/platforms/pseries/xics.c
@@ -498,26 +498,23 @@ static irqreturn_t xics_ipi_dispatch(int cpu)
 {
 	WARN_ON(cpu_is_offline(cpu));
 
+	mb();	/* order mmio clearing qirr */
 	while (xics_ipi_message[cpu].value) {
 		if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION,
 				       &xics_ipi_message[cpu].value)) {
-			mb();
 			smp_message_recv(PPC_MSG_CALL_FUNCTION);
 		}
 		if (test_and_clear_bit(PPC_MSG_RESCHEDULE,
 				       &xics_ipi_message[cpu].value)) {
-			mb();
 			smp_message_recv(PPC_MSG_RESCHEDULE);
 		}
 		if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE,
 				       &xics_ipi_message[cpu].value)) {
-			mb();
 			smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE);
 		}
 #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
 		if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
 				       &xics_ipi_message[cpu].value)) {
-			mb();
 			smp_message_recv(PPC_MSG_DEBUGGER_BREAK);
 		}
 #endif