X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmips%2Fkernel%2Fentry.S;h=e29598ae939d21b7d8e7442300a8741ce612f24a;hb=326e2e1a59decc81bea052e8a8c6d75c63daa2db;hp=f10b6a19f8bf7b672242dbf2dcf9bf1f495c7c13;hpb=cece901481bafbf14de8cbd3a89ae869ea881055;p=linux-2.6

diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index f10b6a19f8..e29598ae93 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -21,24 +21,21 @@
 #endif
 
 #ifndef CONFIG_PREEMPT
-	.macro	preempt_stop
-	local_irq_disable
-	.endm
 #define resume_kernel	restore_all
+#else
+#define __ret_from_irq	ret_from_exception
 #endif
 
 	.text
 	.align	5
-FEXPORT(ret_from_irq)
-	LONG_S	s0, TI_REGS($28)
-#ifdef CONFIG_PREEMPT
-FEXPORT(ret_from_exception)
-#else
-	b	_ret_from_irq
+#ifndef CONFIG_PREEMPT
 FEXPORT(ret_from_exception)
-	preempt_stop
+	local_irq_disable			# preempt stop
+	b	__ret_from_irq
 #endif
-FEXPORT(_ret_from_irq)
+FEXPORT(ret_from_irq)
+	LONG_S	s0, TI_REGS($28)
+FEXPORT(__ret_from_irq)
 	LONG_L	t0, PT_STATUS(sp)		# returning to kernel mode?
 	andi	t0, t0, KU_USER
 	beqz	t0, resume_kernel
@@ -87,6 +84,7 @@ FEXPORT(restore_all)			# restore full frame
 	LONG_S	sp, TI_REGS($28)
 	jal	deferred_smtc_ipi
 	LONG_S	s0, TI_REGS($28)
+#ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
 /* Re-arm any temporarily masked interrupts not explicitly "acked" */
 	mfc0	v0, CP0_TCSTATUS
 	ori	v1, v0, TCSTATUS_IXMT
@@ -113,6 +111,7 @@ FEXPORT(restore_all)			# restore full frame
 	_ehb
 	xor	t0, t0, t3
 	mtc0	t0, CP0_TCCONTEXT
+#endif /* CONFIG_MIPS_MT_SMTC_IM_BACKSTOP */
 #endif /* CONFIG_MIPS_MT_SMTC */
 	.set	noat
 	RESTORE_TEMP
@@ -124,7 +123,11 @@ FEXPORT(restore_partial)		# restore partial frame
 	SAVE_AT
 	SAVE_TEMP
 	LONG_L	v0, PT_STATUS(sp)
-	and	v0, 1
+#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
+	and	v0, ST0_IEP
+#else
+	and	v0, ST0_IE
+#endif
 	beqz	v0, 1f
 	jal	trace_hardirqs_on
 	b	2f