diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-06-22 12:08:20 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-06-22 12:08:23 +0200 |
| commit | e98bbaafcd1c47d30f3245517fb585f1aaaca4db (patch) | |
| tree | 8c8c88910db0197acc92bf1ddef999816f1a778b /arch/s390/include/asm/cputime.h | |
| parent | 4f0076f77fb64889d4e5e425b63333e5764b446d (diff) | |
[S390] lockless idle time accounting
Replace the spinlock used in the idle time accounting with a sequence
counter mechanism analog to seqlock.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/cputime.h')
| -rw-r--r-- | arch/s390/include/asm/cputime.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index ec917d42ee6..7a3817a656d 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -178,7 +178,7 @@ cputime64_to_clock_t(cputime64_t cputime) } struct s390_idle_data { - spinlock_t lock; + unsigned int sequence; unsigned long long idle_count; unsigned long long idle_enter; unsigned long long idle_time; |