Messages in this thread Patch in this message |  | | | From | John Kacur <> | | Subject | [PATCH 16/26] timer_stats: Convert to raw_spinlocks | | Date | Mon, 11 Jan 2010 22:26:46 +0100 |
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Convert locks which cannot sleep in preempt-rt to raw_spinlocks.
See also 54852508231ef28058a88480b2f9ab9b859b0e38 Completes the conversion started in ecb49d1a639acbacfc3771cae5ec07bed5df3847
Signed-off-by: John Kacur <jkacur@redhat.com> --- kernel/time/timer_stats.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c index 2f3b585..30cb955 100644 --- a/kernel/time/timer_stats.c +++ b/kernel/time/timer_stats.c @@ -81,7 +81,7 @@ struct entry { /* * Spinlock protecting the tables - not taken during lookup: */ -static DEFINE_SPINLOCK(table_lock); +static DEFINE_RAW_SPINLOCK(table_lock); /* * Per-CPU lookup locks for fast hash lookup: @@ -188,7 +188,7 @@ static struct entry *tstat_lookup(struct entry *entry, char *comm) prev = NULL; curr = *head; - spin_lock(&table_lock); + raw_spin_lock(&table_lock); /* * Make sure we have not raced with another CPU: */ @@ -215,7 +215,7 @@ static struct entry *tstat_lookup(struct entry *entry, char *comm) *head = curr; } out_unlock: - spin_unlock(&table_lock); + raw_spin_unlock(&table_lock); return curr; } -- 1.6.5.2
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