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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 20:42:05 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-08-01 20:42:05 +0200
commitc6557e7f2b6ae76a44653d38f835174074c42e05 (patch)
treeda619a76b309cb1cd259d082af768a83cfcd6d52 /arch/s390/include/asm/cpu.h
parentab4227cb2d936886069ef1056c02500d05beb15d (diff)
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/cpu.h')
-rw-r--r--arch/s390/include/asm/cpu.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cpu.h b/arch/s390/include/asm/cpu.h
new file mode 100644
index 000000000000..e5a6a9ba3adf
--- /dev/null
+++ b/arch/s390/include/asm/cpu.h
@@ -0,0 +1,33 @@
+/*
+ * include/asm-s390/cpu.h
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#ifndef _ASM_S390_CPU_H_
+#define _ASM_S390_CPU_H_
+
+#include <linux/types.h>
+#include <linux/percpu.h>
+#include <linux/spinlock.h>
+
+struct s390_idle_data {
+ spinlock_t lock;
+ unsigned int in_idle;
+ unsigned long long idle_count;
+ unsigned long long idle_enter;
+ unsigned long long idle_time;
+};
+
+DECLARE_PER_CPU(struct s390_idle_data, s390_idle);
+
+void s390_idle_leave(void);
+
+static inline void s390_idle_check(void)
+{
+ if ((&__get_cpu_var(s390_idle))->in_idle)
+ s390_idle_leave();
+}
+
+#endif /* _ASM_S390_CPU_H_ */

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