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| author |   Frederic Weisbecker <fweisbec@gmail.com> | 2014-11-28 19:23:34 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-12-08 09:42:32 +0100 |
| commit | 1ce2180498fd40ed3f6485fc5daadf4b711f305f (patch) | |
| tree | 5766a052dba787bb3de5e0af8e9fba0c8f1e52e1 /arch/s390/include/asm/idle.h | |
| parent | s390/idle: add missing irq off lockdep annotation (diff) | |
| download | linux-dev-1ce2180498fd40ed3f6485fc5daadf4b711f305f.tar.xz linux-dev-1ce2180498fd40ed3f6485fc5daadf4b711f305f.zip | |
s390/idle: convert open coded idle time seqcount
s390 uses open coded seqcount to synchronize idle time accounting.
Lets consolidate it with the standard API.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/idle.h')
| -rw-r--r-- | arch/s390/include/asm/idle.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/include/asm/idle.h b/arch/s390/include/asm/idle.h index 6af037f574b8..113cd963dbbe 100644 --- a/arch/s390/include/asm/idle.h +++ b/arch/s390/include/asm/idle.h @@ -9,9 +9,10 @@ #include <linux/types.h> #include <linux/device.h> +#include <linux/seqlock.h> struct s390_idle_data { - unsigned int sequence; + seqcount_t seqcount; unsigned long long idle_count; unsigned long long idle_time; unsigned long long clock_idle_enter; |