diff options
Diffstat (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-ondemand-fix-5-7.patch')
| -rw-r--r-- | meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-ondemand-fix-5-7.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-ondemand-fix-5-7.patch b/meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-ondemand-fix-5-7.patch new file mode 100644 index 0000000000..d800e33f22 --- /dev/null +++ b/meta-moblin/packages/linux/linux-moblin-2.6.33.2/linux-2.6.34-ondemand-fix-5-7.patch @@ -0,0 +1,63 @@ +>From 526a9f347d5a953f37b67b4b2afb39d7b4d77a92 Mon Sep 17 00:00:00 2001 +From: Arjan van de Ven <arjan@linux.intel.com> +Date: Sun, 18 Apr 2010 10:49:30 -0700 +Subject: [PATCH 5/7] sched: eliminate the ts->idle_lastupdate field +Patch-mainline: in -mm tree as of 19 Apr 2010 + +Now that the only user of ts->idle_lastupdate is update_ts_time_stats(), +the entire field can be eliminated. + +In update_ts_time_stats(), idle_lastupdate is first set to "now", +and a few lines later, the only user is an if() statement that +assigns a variable either to "now" or to ts->idle_lastupdate, +which has the value of "now" at that point. + +Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> +--- + include/linux/tick.h | 1 - + kernel/time/tick-sched.c | 5 +---- + 2 files changed, 1 insertions(+), 5 deletions(-) + +diff --git a/include/linux/tick.h b/include/linux/tick.h +index d2ae79e..0343eed 100644 +--- a/include/linux/tick.h ++++ b/include/linux/tick.h +@@ -60,7 +60,6 @@ struct tick_sched { + ktime_t idle_waketime; + ktime_t idle_exittime; + ktime_t idle_sleeptime; +- ktime_t idle_lastupdate; + ktime_t sleep_length; + unsigned long last_jiffies; + unsigned long next_jiffies; +diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c +index ac54543..326f5f8 100644 +--- a/kernel/time/tick-sched.c ++++ b/kernel/time/tick-sched.c +@@ -158,16 +158,13 @@ update_ts_time_stats(struct tick_sched *ts, ktime_t now, u64 *last_update_time) + { + ktime_t delta; + +- ts->idle_lastupdate = now; + if (ts->idle_active) { + delta = ktime_sub(now, ts->idle_entrytime); + ts->idle_sleeptime = ktime_add(ts->idle_sleeptime, delta); + ts->idle_entrytime = now; + } + +- if (ts->idle_active && last_update_time) +- *last_update_time = ktime_to_us(ts->idle_lastupdate); +- else ++ if (last_update_time) + *last_update_time = ktime_to_us(now); + + } +-- +1.6.2.5 + +-- +To unsubscribe from this list: send the line "unsubscribe linux-kernel" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html +Please read the FAQ at http://www.tux.org/lkml/ + |