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Subject[PATCH 1/3] clocksource: clean up clocksource_select
Date
After clocksource_find_best() introduced, it is impossible to get into
some code path. so clean them up.

Signed-off-by: Alex Shi <alex.shi@intel.com>
---
kernel/time/clocksource.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index e713ef7..021c159 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -582,26 +582,12 @@ static void __clocksource_select(bool skipcur)
if (!best)
return;

- /* Check for the override clocksource. */
list_for_each_entry(cs, &clocksource_list, list) {
if (skipcur && cs == curr_clocksource)
continue;
if (strcmp(cs->name, override_name) != 0)
continue;
- /*
- * Check to make sure we don't switch to a non-highres
- * capable clocksource if the tick code is in oneshot
- * mode (highres or nohz)
- */
- if (!(cs->flags & CLOCK_SOURCE_VALID_FOR_HRES) && oneshot) {
- /* Override clocksource cannot be used. */
- printk(KERN_WARNING "Override clocksource %s is not "
- "HRT compatible. Cannot switch while in "
- "HRT/NOHZ mode\n", cs->name);
- override_name[0] = 0;
- } else
- /* Override clocksource can be used. */
- best = cs;
+ best = cs;
break;
}

--
1.7.12


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