Hi Andrew,
After merging the akpm tree, today's linux-next build (x86_64
allmodconfig) failed like this:
kernel/time/clocksource.c: In function 'clocksource_watchdog':
kernel/time/clocksource.c:220:3: error: implicit declaration of function 'abs64' [-Werror=implicit-function-declaration]
if (abs64(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD) {
^
Caused by commit
67dfae0cd72f ("clocksource: Fix abs() usage w/ 64bit values")
>From Linus' tree interacting with commit
e75a4c084376 ("Remove abs64()")
from the akpm tree.
I have applied the following fix patch:
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Tue, 6 Oct 2015 17:59:03 +1100
Subject: [PATCH] clocksource: Fix for "Remove abs64()"
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
kernel/time/clocksource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index f2c9b06c8ab7..6b473e4b2dad 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -217,7 +217,7 @@ static void clocksource_watchdog(unsigned long data)
continue;
/* Check the deviation from the watchdog clocksource. */
- if (abs64(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD) {
+ if (abs(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD) {
pr_warn("timekeeping watchdog: Marking clocksource '%s' as unstable because the skew is too large:\n",
cs->name);
pr_warn(" '%s' wd_now: %llx wd_last: %llx mask: %llx\n",
--
2.5.1
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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