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authorRalf Baechle <ralf@linux-mips.org>2000-08-08 18:54:49 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-08-08 18:54:49 +0000
commit5514f4babeeb3af00ee0c325e3cda7a562cc3d65 (patch)
treeedd733879cab73e41324a99ca5da7bc154c4196d /include/asm-sh/hardirq.h
parent6a9366db547e958e8c9bf8e1c13bcea6cb2bf393 (diff)
Merge with Linux 2.4.0-test6-pre4.
Diffstat (limited to 'include/asm-sh/hardirq.h')
-rw-r--r--include/asm-sh/hardirq.h23
1 files changed, 14 insertions, 9 deletions
diff --git a/include/asm-sh/hardirq.h b/include/asm-sh/hardirq.h
index 592b31d95..cfb53de78 100644
--- a/include/asm-sh/hardirq.h
+++ b/include/asm-sh/hardirq.h
@@ -4,28 +4,33 @@
#include <linux/config.h>
#include <linux/threads.h>
-extern unsigned int __local_irq_count[NR_CPUS];
-extern unsigned int __local_bh_count[NR_CPUS];
+/* entry.S is sensitive to the offsets of these fields */
+typedef struct {
+ unsigned int __softirq_active;
+ unsigned int __softirq_mask;
+ unsigned int __local_irq_count;
+ unsigned int __local_bh_count;
+ unsigned int __syscall_count;
+} ____cacheline_aligned irq_cpustat_t;
-#define local_irq_count(cpu) (__local_irq_count[(cpu)])
-#define local_bh_count(cpu) (__local_bh_count[(cpu)])
+#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
/*
* Are we in an interrupt context? Either doing bottom half
* or hardware interrupt processing?
*/
#define in_interrupt() ({ int __cpu = smp_processor_id(); \
- (__local_irq_count[__cpu] + __local_bh_count[__cpu] != 0); })
+ (local_irq_count(__cpu) + local_bh_count(__cpu) != 0); })
-#define in_irq() (__local_irq_count[smp_processor_id()] != 0)
+#define in_irq() (local_irq_count(smp_processor_id()) != 0)
#ifndef CONFIG_SMP
-#define hardirq_trylock(cpu) (__local_irq_count[cpu] == 0)
+#define hardirq_trylock(cpu) (local_irq_count(cpu) == 0)
#define hardirq_endlock(cpu) do { } while (0)
-#define irq_enter(cpu, irq) (__local_irq_count[cpu]++)
-#define irq_exit(cpu, irq) (__local_irq_count[cpu]--)
+#define irq_enter(cpu, irq) (local_irq_count(cpu)++)
+#define irq_exit(cpu, irq) (local_irq_count(cpu)--)
#define synchronize_irq() barrier()