Commit-ID: a04198887658e1d8ae25f5420035c057cb170e67
Gitweb: http://git.kernel.org/tip/a04198887658e1d8ae25f5420035c057cb170e67
Author: Jon Hunter <jon-hunter@xxxxxx>
AuthorDate: Fri, 1 May 2009 13:10:23 -0700
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Sat, 2 May 2009 10:36:06 +0200
timers: allow deferrable timers for intervals tv2-tv5 to be deferred
In the current kernel implementation only kernel timers for time interval
tv1 are being deferred. This patch allows any timer that is configured as
deferrable to be defer regardless of time interval.
This patch was previously discussed in
http://marc.info/?l=linux-kernel&m=123196343531966&w=2 and was acked by
Venki Pallipadi, the author of the original deferrable timer patch.
Signed-off-by: Jon Hunter <jon-hunter@xxxxxx>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/timer.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/timer.c b/kernel/timer.c
index cffffad..5c1e84b 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1015,6 +1015,9 @@ cascade:
index = slot = timer_jiffies & TVN_MASK;
do {
list_for_each_entry(nte, varp->vec + slot, entry) {
+ if (tbase_get_deferrable(nte->base))
+ continue;
+
found = 1;
if (time_before(nte->expires, expires))
expires = nte->expires;
--
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