Thread (9 messages) 9 messages, 5 authors, 2016-12-02

Re: [PATCH] powerpc: cputime: fix a compile warning

From: Scott Wood <oss@buserror.net>
Date: 2016-11-30 14:41:08
Also in: lkml

On Mon, 2016-11-21 at 12:56 +0800, yanjiang.jin@windriver.com wrote:
quoted hunk ↗ jump to hunk
From: Yanjiang Jin <redacted>

This patch is to avoid the below warning:

kernel/sched/cpuacct.c:298:25: warning:
format '%lld' expects argument of type 'long long int',
but argument 4 has type 'long unsigned int' [-Wformat=]

Signed-off-by: Yanjiang Jin <redacted>
---
 arch/powerpc/include/asm/cputime.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/cputime.h
b/arch/powerpc/include/asm/cputime.h
index 4f60db0..4423e97 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -228,7 +228,8 @@ static inline cputime_t clock_t_to_cputime(const
unsigned long clk)
 	return (__force cputime_t) ct;
 }
 
-#define cputime64_to_clock_t(ct)	cputime_to_clock_t((cputime_t)(ct))
+#define cputime64_to_clock_t(ct)	\
+	(__force u64)(cputime_to_clock_t((cputime_t)(ct)))
Why is __force needed?

-Scott
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help