Eric Dumazet 67d7178f8f x86: atomic64: Improve atomic64_read() ...

Optimize atomic64_read() as a special open-coded
cmpxchg8b variant. This generates nicer code:

arch/x86/lib/atomic64_32.o:

   text	   data	    bss	    dec	    hex	filename
    435	      0	      0	    435	    1b3	atomic64_32.o.before
    431	      0	      0	    431	    1af	atomic64_32.o.after

md5:
   bd8ab95e69c93518578bfaf0ea3be4d9  atomic64_32.o.before.asm
   2bdfd4bd1f6b7b61b7fc127aef90ce3b  atomic64_32.o.after.asm

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
LKML-Reference: <alpine.LFD.2.01.0907021653030.3210@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2009-07-03 14:42:59 +02:00

..

atomic64_32.c

x86: atomic64: Improve atomic64_read()

2009-07-03 14:42:59 +02:00

checksum_32.S

i386: move lib

2007-10-11 11:16:33 +02:00

clear_page_64.S

x86_64: move lib

2007-10-11 11:17:08 +02:00

copy_page_64.S

x86_64: move lib

2007-10-11 11:17:08 +02:00

copy_user_64.S

x86: wrong register was used in align macro

2008-07-30 10:10:39 -07:00

copy_user_nocache_64.S

x86: wrong register was used in align macro

2008-07-30 10:10:39 -07:00

csum-copy_64.S

x86_64: move lib

2007-10-11 11:17:08 +02:00

csum-partial_64.c

x86: fix csum_partial() export

2008-05-13 19:38:47 +02:00

csum-wrappers_64.c

x86: clean up csum-wrappers_64.c some more

2008-02-19 16:18:32 +01:00

delay.c

x86, delay: tsc based udelay should have rdtsc_barrier

2009-06-25 16:47:40 -07:00

getuser.S

x86: use _types.h headers in asm where available

2009-02-13 11:35:01 -08:00

io_64.c

x86: coding style fixes in arch/x86/lib/io_64.c

2008-02-19 16:18:32 +01:00

iomap_copy_64.S

x86_64: move lib

2007-10-11 11:17:08 +02:00

Makefile

x86: atomic64: Move the 32-bit atomic64_t implementation to a .c file

2009-07-03 13:26:39 +02:00

memcpy_32.c

x86: coding style fixes to arch/x86/lib/memcpy_32.c

2008-04-17 17:40:49 +02:00

memcpy_64.S

x86: memcpy, clean up

2009-03-12 12:21:17 +01:00

memmove_64.c

x86: coding style fixes to arch/x86/lib/memmove_64.c

2008-04-17 17:40:48 +02:00

memset_64.S

x86_64: move lib

2007-10-11 11:17:08 +02:00

mmx_32.c

x86: clean up mmx_32.c

2008-04-17 17:40:47 +02:00

msr.c

x86: MSR: add methods for writing of an MSR on several CPUs

2009-06-10 12:18:43 +02:00

putuser.S

x86: merge putuser asm functions.

2008-07-09 09:14:13 +02:00

rwlock_64.S

x86: rename .i assembler includes to .h

2007-10-17 20:16:29 +02:00

semaphore_32.S

Generic semaphore implementation

2008-04-17 10:42:34 -04:00

string_32.c

x86: coding style fixes to arch/x86/lib/string_32.c

2008-08-15 16:53:25 +02:00

strstr_32.c

x86: coding style fixes to arch/x86/lib/strstr_32.c

2008-08-15 16:53:24 +02:00

thunk_32.S

ftrace: trace irq disabled critical timings

2008-05-23 20:32:46 +02:00

thunk_64.S

ftrace: trace irq disabled critical timings

2008-05-23 20:32:46 +02:00

usercopy_32.c

x86: use early clobbers in usercopy*.c

2009-01-21 09:43:17 +01:00

usercopy_64.c

x86, 64-bit: Clean up user address masking

2009-06-20 15:40:00 -07:00