The patch titled
remove unnecessary barrier in rtc_get_rtc_time
has been added to the -mm tree. Its filename is
remove-unnecessary-barrier-in-rtc_get_rtc_time.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: remove unnecessary barrier in rtc_get_rtc_time
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/char/rtc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff -puN drivers/char/rtc.c~remove-unnecessary-barrier-in-rtc_get_rtc_time drivers/char/rtc.c
--- a/drivers/char/rtc.c~remove-unnecessary-barrier-in-rtc_get_rtc_time
+++ a/drivers/char/rtc.c
@@ -1261,10 +1261,8 @@ void rtc_get_rtc_time(struct rtc_time *r
* Once the read clears, read the RTC time (again via ioctl). Easy.
*/
- while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100) {
- barrier();
+ while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100)
cpu_relax();
- }
/*
* Only the values that we read from the RTC are set. We leave
_
Patches currently in -mm which might be from rostedt@xxxxxxxxxxx are
remove-unnecessary-barrier-in-rtc_get_rtc_time.patch
-
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