]> err.no Git - linux-2.6/blobdiff - arch/powerpc/kernel/entry_32.S
x86: printk kernel version in WARN_ON and other dump_stack users
[linux-2.6] / arch / powerpc / kernel / entry_32.S
index 21d889e63e87520d9e49112a99d20fc8d887da90..69a91bd46115e171bb73cf76282db673ce5d054e 100644 (file)
@@ -244,6 +244,16 @@ syscall_exit_cont:
        andis.  r10,r0,DBCR0_IC@h
        bnel-   load_dbcr0
 #endif
+#ifdef CONFIG_44x
+       lis     r4,icache_44x_need_flush@ha
+       lwz     r5,icache_44x_need_flush@l(r4)
+       cmplwi  cr0,r5,0
+       bne-    2f
+1:
+#endif /* CONFIG_44x */
+BEGIN_FTR_SECTION
+       lwarx   r7,0,r1
+END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
        stwcx.  r0,0,r1                 /* to clear the reservation */
        lwz     r4,_LINK(r1)
        lwz     r5,_CCR(r1)
@@ -258,6 +268,12 @@ syscall_exit_cont:
        mtspr   SPRN_SRR1,r8
        SYNC
        RFI
+#ifdef CONFIG_44x
+2:     li      r7,0
+       iccci   r0,r0
+       stw     r7,icache_44x_need_flush@l(r4)
+       b       1b
+#endif  /* CONFIG_44x */
 
 66:    li      r3,-ENOSYS
        b       ret_from_syscall
@@ -683,6 +699,16 @@ resume_kernel:
 
        /* interrupts are hard-disabled at this point */
 restore:
+#ifdef CONFIG_44x
+       lis     r4,icache_44x_need_flush@ha
+       lwz     r5,icache_44x_need_flush@l(r4)
+       cmplwi  cr0,r5,0
+       beq+    1f
+       li      r6,0
+       iccci   r0,r0
+       stw     r6,icache_44x_need_flush@l(r4)
+1:
+#endif  /* CONFIG_44x */
        lwz     r0,GPR0(r1)
        lwz     r2,GPR2(r1)
        REST_4GPRS(3, r1)
@@ -694,6 +720,9 @@ restore:
        mtctr   r11
 
        PPC405_ERR77(0,r1)
+BEGIN_FTR_SECTION
+       lwarx   r11,0,r1
+END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
        stwcx.  r0,0,r1                 /* to clear the reservation */
 
 #if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))