[klibc] [patch] bitops.h don't use likely/unlikely outside __KERNEL__
maximilian attems
maks at sternwelten.at
Tue Jun 20 15:03:27 PDT 2006
On Tue, Jun 20, 2006 at 02:38:56PM -0700, H. Peter Anvin wrote:
>
> NAK. This patch is wrong. likely() and unlikely() don't belong in
> userspace without the underscores, for namespace reasons.
>
> -hpa
ok patch was motivated due to the abundance of klibc warnings of s390 build:
In file included from linux/include/asm/posix_types.h:82,
from linux/include/linux/posix_types.h:47,
from usr/klibc/../include/sys/types.h:15,
from usr/klibc/../include/signal.h:12,
from usr/klibc/socketcalls/socketcommon.h:9,
from usr/klibc/socketcalls/getpeername.c:1:
linux/include/asm/bitops.h: In function 'ffz':
linux/include/asm/bitops.h:544: warning: implicit declaration of function 'likely'
belows patchs fixes s390 ffz() and ffs() to not use likely.
Signed-off-by: maximilian attems <maks at sternwelten.at>
diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h
index ca092ff..0752fb2 100644
--- a/include/asm-s390/bitops.h
+++ b/include/asm-s390/bitops.h
@@ -536,16 +536,16 @@ static inline unsigned long ffz(unsigned
unsigned long bit = 0;
#ifdef __s390x__
- if (likely((word & 0xffffffff) == 0xffffffff)) {
+ if ((word & 0xffffffff) == 0xffffffff) {
word >>= 32;
bit += 32;
}
#endif
- if (likely((word & 0xffff) == 0xffff)) {
+ if ((word & 0xffff) == 0xffff) {
word >>= 16;
bit += 16;
}
- if (likely((word & 0xff) == 0xff)) {
+ if ((word & 0xff) == 0xff) {
word >>= 8;
bit += 8;
}
@@ -561,16 +561,16 @@ static inline unsigned long __ffs (unsig
unsigned long bit = 0;
#ifdef __s390x__
- if (likely((word & 0xffffffff) == 0)) {
+ if ((word & 0xffffffff) == 0) {
word >>= 32;
bit += 32;
}
#endif
- if (likely((word & 0xffff) == 0)) {
+ if ((word & 0xffff) == 0) {
word >>= 16;
bit += 16;
}
- if (likely((word & 0xff) == 0)) {
+ if ((word & 0xff) == 0) {
word >>= 8;
bit += 8;
}
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