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authorIngo Molnar <mingo@elte.hu>2008-08-11 11:19:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 11:19:20 +0200
commit8067794bec1cc5de1431102cf0a6a1c7ce75cd85 (patch)
tree2bfa0fba060d253bbd972282b29a3d60c3e7cb7f /arch/powerpc/include/asm/hardirq.h
parent7ab6af7ab69df8c9c5fbc380004fb81187742096 (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: arch/x86/kernel/genapic_64.c Manual merge: arch/x86/kernel/genx2apic_uv_x.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/include/asm/hardirq.h')
-rw-r--r--arch/powerpc/include/asm/hardirq.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h
new file mode 100644
index 000000000000..288e14d53b7f
--- /dev/null
+++ b/arch/powerpc/include/asm/hardirq.h
@@ -0,0 +1,29 @@
+#ifndef _ASM_POWERPC_HARDIRQ_H
+#define _ASM_POWERPC_HARDIRQ_H
+#ifdef __KERNEL__
+
+#include <asm/irq.h>
+#include <asm/bug.h>
+
+/* The __last_jiffy_stamp field is needed to ensure that no decrementer
+ * interrupt is lost on SMP machines. Since on most CPUs it is in the same
+ * cache line as local_irq_count, it is cheap to access and is also used on UP
+ * for uniformity.
+ */
+typedef struct {
+ unsigned int __softirq_pending; /* set_bit is used on this */
+ unsigned int __last_jiffy_stamp;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
+
+#define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp)
+
+static inline void ack_bad_irq(int irq)
+{
+ printk(KERN_CRIT "illegal vector %d received!\n", irq);
+ BUG();
+}
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_HARDIRQ_H */