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authorIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
commit8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch)
tree8129b5907161bc6ae26deb3645ce1e280c5e1f51 /arch/s390/include/asm/cpu.h
parentb2139aa0eec330c711c5a279db361e5ef1178e78 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts: include/asm-x86/dma-mapping.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
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_ */