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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-29 11:33:37 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-29 11:33:37 +1100
commitdfd0436ad0ce139467b124c646fa65ee2635e14a (patch)
treeabf9d83c704417cdd484243c12aeffee6b185aba /arch/s390/include/asm/irq.h
parentb9818c3312da66f4b83a4a2e8650628be1237cb5 (diff)
parent689dfa894c57842a05bf6dc9f97e6bb71ec5f386 (diff)
downloadlwn-dfd0436ad0ce139467b124c646fa65ee2635e14a.tar.gz
lwn-dfd0436ad0ce139467b124c646fa65ee2635e14a.zip
Merge branch 'merge' into next
Merge "merge" branch to bring in various bug fixes that are going into 3.8
Diffstat (limited to 'arch/s390/include/asm/irq.h')
-rw-r--r--arch/s390/include/asm/irq.h78
1 files changed, 48 insertions, 30 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index e6972f85d2b0..7def77302d63 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -2,43 +2,61 @@
#define _ASM_IRQ_H
#include <linux/hardirq.h>
+#include <linux/percpu.h>
+#include <linux/cache.h>
#include <linux/types.h>
-enum interruption_class {
+enum interruption_main_class {
EXTERNAL_INTERRUPT,
IO_INTERRUPT,
- EXTINT_CLK,
- EXTINT_EXC,
- EXTINT_EMS,
- EXTINT_TMR,
- EXTINT_TLA,
- EXTINT_PFL,
- EXTINT_DSD,
- EXTINT_VRT,
- EXTINT_SCP,
- EXTINT_IUC,
- EXTINT_CMS,
- EXTINT_CMC,
- EXTINT_CMR,
- IOINT_CIO,
- IOINT_QAI,
- IOINT_DAS,
- IOINT_C15,
- IOINT_C70,
- IOINT_TAP,
- IOINT_VMR,
- IOINT_LCS,
- IOINT_CLW,
- IOINT_CTC,
- IOINT_APB,
- IOINT_ADM,
- IOINT_CSC,
- IOINT_PCI,
- IOINT_MSI,
+ NR_IRQS
+};
+
+enum interruption_class {
+ IRQEXT_CLK,
+ IRQEXT_EXC,
+ IRQEXT_EMS,
+ IRQEXT_TMR,
+ IRQEXT_TLA,
+ IRQEXT_PFL,
+ IRQEXT_DSD,
+ IRQEXT_VRT,
+ IRQEXT_SCP,
+ IRQEXT_IUC,
+ IRQEXT_CMS,
+ IRQEXT_CMC,
+ IRQEXT_CMR,
+ IRQIO_CIO,
+ IRQIO_QAI,
+ IRQIO_DAS,
+ IRQIO_C15,
+ IRQIO_C70,
+ IRQIO_TAP,
+ IRQIO_VMR,
+ IRQIO_LCS,
+ IRQIO_CLW,
+ IRQIO_CTC,
+ IRQIO_APB,
+ IRQIO_ADM,
+ IRQIO_CSC,
+ IRQIO_PCI,
+ IRQIO_MSI,
NMI_NMI,
- NR_IRQS,
+ CPU_RST,
+ NR_ARCH_IRQS
};
+struct irq_stat {
+ unsigned int irqs[NR_ARCH_IRQS];
+};
+
+DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
+
+static __always_inline void inc_irq_stat(enum interruption_class irq)
+{
+ __get_cpu_var(irq_stat).irqs[irq]++;
+}
+
struct ext_code {
unsigned short subcode;
unsigned short code;