Merge tag 'powerpc-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[platform/kernel/linux-starfive.git] / arch / powerpc / kernel / entry_32.S

diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 3841d74..a386009 100644 (file)
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -205,6 +205,9 @@ transfer_to_handler_cont:
        mflr    r9
        lwz     r11,0(r9)               /* virtual address of handler */
        lwz     r9,4(r9)                /* where to go when done */
+#ifdef CONFIG_PPC_8xx_PERF_EVENT
+       mtspr   SPRN_NRI, r0
+#endif
 #ifdef CONFIG_TRACE_IRQFLAGS
        lis     r12,reenable_mmu@h
        ori     r12,r12,reenable_mmu@l
@@ -292,7 +295,9 @@ stack_ovf:
        lis     r9,StackOverflow@ha
        addi    r9,r9,StackOverflow@l
        LOAD_MSR_KERNEL(r10,MSR_KERNEL)
-       FIX_SRR1(r10,r12)
+#ifdef CONFIG_PPC_8xx_PERF_EVENT
+       mtspr   SPRN_NRI, r0
+#endif
        mtspr   SPRN_SRR0,r9
        mtspr   SPRN_SRR1,r10
        SYNC
@@ -417,9 +422,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
        mtlr    r4
        mtcr    r5
        lwz     r7,_NIP(r1)
-       FIX_SRR1(r8, r0)
        lwz     r2,GPR2(r1)
        lwz     r1,GPR1(r1)
+#ifdef CONFIG_PPC_8xx_PERF_EVENT
+       mtspr   SPRN_NRI, r0
+#endif
        mtspr   SPRN_SRR0,r7
        mtspr   SPRN_SRR1,r8
        SYNC
@@ -699,6 +706,9 @@ fast_exception_return:
        lwz     r10,_LINK(r11)
        mtlr    r10
        REST_GPR(10, r11)
+#ifdef CONFIG_PPC_8xx_PERF_EVENT
+       mtspr   SPRN_NRI, r0
+#endif
        mtspr   SPRN_SRR1,r9
        mtspr   SPRN_SRR0,r12
        REST_GPR(9, r11)
@@ -947,7 +957,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
        .globl exc_exit_restart
 exc_exit_restart:
        lwz     r12,_NIP(r1)
-       FIX_SRR1(r9,r10)
+#ifdef CONFIG_PPC_8xx_PERF_EVENT
+       mtspr   SPRN_NRI, r0
+#endif
        mtspr   SPRN_SRR0,r12
        mtspr   SPRN_SRR1,r9
        REST_4GPRS(9, r1)
@@ -1290,7 +1302,6 @@ _GLOBAL(enter_rtas)
 1:     tophys(r9,r1)
        lwz     r8,INT_FRAME_SIZE+4(r9) /* get return address */
        lwz     r9,8(r9)        /* original msr value */
-       FIX_SRR1(r9,r0)
        addi    r1,r1,INT_FRAME_SIZE
        li      r0,0
        mtspr   SPRN_SPRG_RTAS,r0