---

yaml
---
r: 88783
b: refs/heads/master
c: 1af8a0c
h: refs/heads/master
i:
  88781: f52f620
  88779: 84c0bad
  88775: 33f6472
  88767: 904af2f
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ba10485c2f5a9482d93b095960cbe7d865d59e04
+refs/heads/master: 1af8a0c1b3b85b1007f49917ea6a351b7aeb7562

trunk/arch/x86/kernel/smpboot_64.c

@@ -281,8 +281,8 @@ static void inquire_remote_apic(int apicid)
 			printk(KERN_CONT
 			       "a previous APIC delivery may have failed\n");
 
-		apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
-		apic_write(APIC_ICR, APIC_DM_REMRD | regs[i]);
+		apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
+		apic_write_around(APIC_ICR, APIC_DM_REMRD | regs[i]);
 
 		timeout = 0;
 		do {
@@ -315,12 +315,12 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
 	/*
 	 * Turn INIT on target chip
 	 */
-	apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
+	apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
 
 	/*
 	 * Send IPI
 	 */
-	apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT
+	apic_write_around(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT
 				| APIC_DM_INIT);
 
 	Dprintk("Waiting for send to finish...\n");
@@ -331,10 +331,10 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
 	Dprintk("Deasserting INIT.\n");
 
 	/* Target chip */
-	apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
+	apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
 
 	/* Send IPI */
-	apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT);
+	apic_write_around(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT);
 
 	Dprintk("Waiting for send to finish...\n");
 	send_status = safe_apic_wait_icr_idle();
@@ -353,6 +353,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
 
 	for (j = 1; j <= num_starts; j++) {
 		Dprintk("Sending STARTUP #%d.\n",j);
+		apic_read_around(APIC_SPIV);
 		apic_write(APIC_ESR, 0);
 		apic_read(APIC_ESR);
 		Dprintk("After apic_write.\n");
@@ -362,11 +363,11 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
 		 */
 
 		/* Target chip */
-		apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
+		apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
 
 		/* Boot on the stack */
 		/* Kick the second */
-		apic_write(APIC_ICR, APIC_DM_STARTUP | (start_rip >> 12));
+		apic_write_around(APIC_ICR, APIC_DM_STARTUP | (start_rip>>12));
 
 		/*
 		 * Give the other CPU some time to accept the IPI.
@@ -386,6 +387,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
 		 * Due to the Pentium erratum 3AP.
 		 */
 		if (maxlvt > 3) {
+			apic_read_around(APIC_SPIV);
 			apic_write(APIC_ESR, 0);
 		}
 		accept_status = (apic_read(APIC_ESR) & 0xEF);