powerpc/4xx: Index interrupt stacks by physical cpu

[karo-tx-linux.git] / arch / powerpc / kernel / irq.c

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index d3ce67cf03be35855394905009d6a39729f7ac92..4a65386995d7fa697f86e32b77503558f1198961 100644 (file)
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -67,6 +67,7 @@
 #include <asm/machdep.h>
 #include <asm/udbg.h>
 #include <asm/dbell.h>
+#include <asm/smp.h>
 
 #ifdef CONFIG_PPC64
 #include <asm/paca.h>
@@ -446,22 +447,23 @@ struct thread_info *mcheckirq_ctx[NR_CPUS] __read_mostly;
 void exc_lvl_ctx_init(void)
 {
        struct thread_info *tp;
-       int i;
+       int i, hw_cpu;
 
        for_each_possible_cpu(i) {
-               memset((void *)critirq_ctx[i], 0, THREAD_SIZE);
-               tp = critirq_ctx[i];
+               hw_cpu = get_hard_smp_processor_id(i);
+               memset((void *)critirq_ctx[hw_cpu], 0, THREAD_SIZE);
+               tp = critirq_ctx[hw_cpu];
                tp->cpu = i;
                tp->preempt_count = 0;
 
 #ifdef CONFIG_BOOKE
-               memset((void *)dbgirq_ctx[i], 0, THREAD_SIZE);
-               tp = dbgirq_ctx[i];
+               memset((void *)dbgirq_ctx[hw_cpu], 0, THREAD_SIZE);
+               tp = dbgirq_ctx[hw_cpu];
                tp->cpu = i;
                tp->preempt_count = 0;
 
-               memset((void *)mcheckirq_ctx[i], 0, THREAD_SIZE);
-               tp = mcheckirq_ctx[i];
+               memset((void *)mcheckirq_ctx[hw_cpu], 0, THREAD_SIZE);
+               tp = mcheckirq_ctx[hw_cpu];
                tp->cpu = i;
                tp->preempt_count = HARDIRQ_OFFSET;
 #endif