github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-22 06:01:53 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

perf/urgent build fixes:

Browse Source 
. Problem on recent gcc on x86-32 related to strict alias issue for
   find_first_bit (Jiri Olsa).
 
 . OpenSuSE: BFD detection problems related to not explicitely listing all
   required libraries (Andi Kleen)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJTEP1zAAoJENZQFvNTUqpACYgP/jchemiEY7eEMGVe/u2xtpZn
 zrisvAUaQfMQiCrcVqa1VI6abdeiKzWBCtvOKyOFt9Gk+KrgWLOFk1VfrLfUartg
 CZwhRFLW0mX9mYmvaGZFIAFavkvzKqA8bSYWEf9pUwEBz0yvjBJLYXe+k5BiQOY/
 TAeEz+xDMbVxKJT5cQV06SsPqqcYACAxABdBJnmsIudxBzz8MJs1YbDCqjysXSXd
 F7G2zqPWoBqfsFD5zVNWsybnd5DcZ1J5HHAKq2HeexX8APHp4NkIIuZROCd2KiLQ
 ounm+pnXJ2BNdeL6C6ChDBl4v7pBC4CepOSZeTEi6DKjZutzbkbxGnhShCRC231K
 oXgKL6fPyOfeqx4iAghT9p2+RQiaauvnDymgGabSR0nZKJTQznD8qOwjZQg3hbIP
 SS+lBtSRjIOQVoINxvB0W7kR8O5E6curqnuQh4TkxLwK8XNVrRyZbbBUEX/CfFNT
 DAo50+ic/Kj4YYZl8ZdLdxX/LGNug90zbm82x7GiFltZREdqMk+Qn7JyuFNg5lYH
 a0db4HWS6cq91FtJFA4Y5cUQl18rWh0Wjd1FzAlOnkC1rE9byqR9CZD9wZvULu1t
 UpTDp/8faZ3i0ZOAOeIvmEZxoqfBRyt25zkwtJXIQSEOnaHdaXJE22yF9CeY3KK3
 TIEjYwrNxPKd1XC0hz2o
 =hlo4
 -----END PGP SIGNATURE-----

Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent build fixes for certain distro environments, from Arnaldo Carvalho de Melo:

  * Problem on recent gcc on x86-32 related to strict alias issue for
    find_first_bit (Jiri Olsa).

  * OpenSuSE: BFD detection problems related to not explicitely listing all
    required libraries (Andi Kleen)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2014-03-01 10:13:25 +01:00
commit af76815a31
3 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/config/Makefile
View File

@ -478,7 +478,7 @@ else
endif
ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd
EXTLIBS += -lbfd -lz -liberty
endif
ifdef NO_DEMANGLE

2
tools/perf/config/feature-checks/Makefile
View File

@ -121,7 +121,7 @@ test-libpython-version.bin:
$(BUILD) $(FLAGS_PYTHON_EMBED)
test-libbfd.bin:
$(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
$(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl
test-liberty.bin:
$(CC) -o $(OUTPUT)$@ test-libbfd.c -DPACKAGE='"perf"' -lbfd -ldl -liberty

4
tools/perf/util/include/linux/bitops.h
View File

@ -87,13 +87,15 @@ static __always_inline unsigned long __ffs(unsigned long word)
return num;
}
typedef const unsigned long __attribute__((__may_alias__)) long_alias_t;
/*
* Find the first set bit in a memory region.
*/
static inline unsigned long
find_first_bit(const unsigned long *addr, unsigned long size)
{
const unsigned long *p = addr;
long_alias_t *p = (long_alias_t *) addr;
unsigned long result = 0;
unsigned long tmp;