patch-2.4.6 linux/arch/ppc/kernel/entry.S

• Lines: 42
• Date: Mon Jul 2 14:34:57 2001
• Orig file: v2.4.5/linux/arch/ppc/kernel/entry.S
• Orig date: Mon May 21 17:04:46 2001

diff -u --recursive --new-file v2.4.5/linux/arch/ppc/kernel/entry.S linux/arch/ppc/kernel/entry.S
@@ -1,5 +1,5 @@
 /*
- * BK Id: SCCS/s.entry.S 1.12 05/21/01 11:49:59 paulus
+ * BK Id: SCCS/s.entry.S 1.17 06/19/01 22:40:51 paulus
  */
 /*
  *  PowerPC version 
@@ -283,6 +283,7 @@
 	 */ 
 	mfmsr	r0		/* Get current interrupt state */
 	rlwinm	r0,r0,0,17,15	/* clear MSR_EE in r0 */
+	SYNC			/* Some chip revs have problems here... */
 	mtmsr	r0		/* Update machine state */
 	
 	lwz	r0,_MSR(r1)
@@ -310,25 +311,7 @@
 	beq	restore
 	.globl	ret_from_except
 ret_from_except:
-	lwz	r5,_MSR(r1)
-	andi.	r5,r5,MSR_EE
-	beq	2f
-	lis	r4,irq_stat@ha		/* &softirq_active for cpu 0 */
-	addi	r4,r4,irq_stat@l
-#ifdef CONFIG_SMP
-	/* get processor # */
-	lwz	r3,PROCESSOR(r2)
-	slwi	r3,r3,LG_CACHE_LINE_SIZE
-	add	r4,r4,r3
-#endif /* CONFIG_SMP */
-	lwz	r5,0(r4)		/* softirq_active */
-	lwz	r4,4(r4)		/* softirq_mask */
-	and.	r5,r5,r4
-	beq+	2f
-	bl	do_softirq
-	.globl	do_bottom_half_ret
-do_bottom_half_ret:
-2:	lwz	r3,_MSR(r1)	/* Returning to user mode? */
+	lwz	r3,_MSR(r1)	/* Returning to user mode? */
 	andi.	r3,r3,MSR_PR
 	beq+	do_signal_ret	/* if so, check need_resched and signals */
 	lwz	r3,NEED_RESCHED(r2)