---

yaml --- r: 148754 b: refs/heads/master c: 76d4e00 h: refs/heads/master v: v3
git-mirror · Jun 12, 2009 · f882725 · f882725
1 parent 117b74a
commit f882725
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Showing 8 changed files with 25 additions and 38 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7aa79f948749da7de3de0c427e9c9ee0ff595243
+refs/heads/master: 76d4e00a05d06c1d1552adea24fcf6182c9d8999
diff --git a/trunk/arch/s390/include/asm/cpu.h b/trunk/arch/s390/include/asm/cpu.h
diff --git a/trunk/arch/s390/include/asm/cputime.h b/trunk/arch/s390/include/asm/cputime.h
@@ -9,6 +9,9 @@
 #ifndef _S390_CPUTIME_H
 #define _S390_CPUTIME_H
 
+#include <linux/types.h>
+#include <linux/percpu.h>
+#include <linux/spinlock.h>
 #include <asm/div64.h>
 
 /* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */
@@ -174,8 +177,24 @@ cputime64_to_clock_t(cputime64_t cputime)
        return __div(cputime, 4096000000ULL / USER_HZ);
 }
 
+struct s390_idle_data {
+	spinlock_t lock;
+	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 vtime_start_cpu(void);
 cputime64_t s390_get_idle_time(int cpu);
 
 #define arch_idle_time(cpu) s390_get_idle_time(cpu)
 
+static inline void s390_idle_check(void)
+{
+	if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL)
+		vtime_start_cpu();
+}
+
 #endif /* _S390_CPUTIME_H */
diff --git a/trunk/arch/s390/kernel/nmi.c b/trunk/arch/s390/kernel/nmi.c
@@ -16,7 +16,7 @@
 #include <asm/lowcore.h>
 #include <asm/smp.h>
 #include <asm/etr.h>
-#include <asm/cpu.h>
+#include <asm/cputime.h>
 #include <asm/nmi.h>
 #include <asm/crw.h>
 

diff --git a/trunk/arch/s390/kernel/s390_ext.c b/trunk/arch/s390/kernel/s390_ext.c
@@ -13,7 +13,7 @@
 #include <linux/errno.h>
 #include <linux/kernel_stat.h>
 #include <linux/interrupt.h>
-#include <asm/cpu.h>
+#include <asm/cputime.h>
 #include <asm/lowcore.h>
 #include <asm/s390_ext.h>
 #include <asm/irq_regs.h>

diff --git a/trunk/arch/s390/kernel/smp.c b/trunk/arch/s390/kernel/smp.c
@@ -47,7 +47,7 @@
 #include <asm/timer.h>
 #include <asm/lowcore.h>
 #include <asm/sclp.h>
-#include <asm/cpu.h>
+#include <asm/cputime.h>
 #include <asm/vdso.h>
 #include "entry.h"
 

diff --git a/trunk/arch/s390/kernel/vtime.c b/trunk/arch/s390/kernel/vtime.c
@@ -23,7 +23,7 @@
 #include <asm/s390_ext.h>
 #include <asm/timer.h>
 #include <asm/irq_regs.h>
-#include <asm/cpu.h>
+#include <asm/cputime.h>
 
 static ext_int_info_t ext_int_info_timer;
 

diff --git a/trunk/drivers/s390/cio/cio.c b/trunk/drivers/s390/cio/cio.c
@@ -28,7 +28,7 @@
 #include <asm/chpid.h>
 #include <asm/airq.h>
 #include <asm/isc.h>
-#include <asm/cpu.h>
+#include <asm/cputime.h>
 #include <asm/fcx.h>
 #include <asm/nmi.h>
 #include <asm/crw.h>