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296f96fcfc
linux/arch/sparc64/lib
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David S. Miller 24f287e412 [SPARC64]: Implement atomic backoff. 
When the cpu count is high and contention hits an atomic object, the
processors can synchronize such that some cpus continually get knocked
out and cannot complete the atomic update.

So implement an exponential backoff when SMP.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-17 16:24:55 -07:00
..
atomic.S [SPARC64]: Implement atomic backoff. 2007-10-17 16:24:55 -07:00
bitops.S [SPARC64]: Implement atomic backoff. 2007-10-17 16:24:55 -07:00
bzero.S [SPARC64]: __bzero_noasi --> __clear_user 2006-03-20 01:13:28 -08:00
checksum.S [SPARC64]: Fix missing fold at end of checksums. 2006-06-04 21:32:01 -07:00
clear_page.S [SPARC64]: Deal with PTE layout differences in SUN4V. 2006-03-20 01:12:25 -08:00
copy_in_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
copy_page.S [SPARC64]: Deal with PTE layout differences in SUN4V. 2006-03-20 01:12:25 -08:00
csum_copy_from_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
csum_copy_to_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
csum_copy.S [SPARC64]: Fix missing fold at end of checksums. 2006-06-04 21:32:01 -07:00
GENbzero.S [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. 2007-08-08 17:33:45 -07:00
GENcopy_from_user.S [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. 2007-08-08 17:33:45 -07:00
GENcopy_to_user.S [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. 2007-08-08 17:33:45 -07:00
GENmemcpy.S [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. 2007-08-08 17:33:45 -07:00
GENpage.S [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. 2007-08-08 17:33:45 -07:00
GENpatch.S [SPARC64]: Do not assume sun4v chips have load-twin/store-init support. 2007-08-08 17:33:45 -07:00
iomap.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ipcsum.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
mcount.S Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
memcmp.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
memmove.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
memscan.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
NG2copy_from_user.S [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
NG2copy_to_user.S [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
NG2memcpy.S [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
NG2page.S [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
NG2patch.S [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
NGbzero.S [SPARC64]: store-init needs trailing membar. 2007-03-19 13:27:33 -07:00
NGcopy_from_user.S [SPARC64]: Fix missing load-twin usage in Niagara-1 memcpy. 2007-10-02 01:03:09 -07:00
NGcopy_to_user.S [SPARC64]: Fix missing load-twin usage in Niagara-1 memcpy. 2007-10-02 01:03:09 -07:00
NGmemcpy.S [SPARC64]: Don't use in/local regs for ldx/stx data in N1 memcpy. 2007-10-02 16:17:17 -07:00
NGpage.S [SPARC64]: Niagara-2 optimized copies. 2007-08-16 01:47:25 -07:00
NGpatch.S [SPARC64]: Fix branch signedness bug in all code patching. 2006-03-20 01:12:29 -08:00
PeeCeeI.c [SPARC64]: Use 'unsigned long' for port argument to I/O string ops. 2005-08-31 15:01:33 -07:00
rwsem.S [SPARC64]: Avoid membar instructions in delay slots. 2005-06-27 15:42:04 -07:00
strlen_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
strlen.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
strncmp.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
strncpy_from_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
U1copy_from_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
U1copy_to_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
U1memcpy.S [SPARC64]: Avoid membar instructions in delay slots. 2005-06-27 15:42:04 -07:00
U3copy_from_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
U3copy_to_user.S [SPARC64]: Mark __ex_table section correctly. 2006-03-04 23:23:56 -08:00
U3memcpy.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
U3patch.S [SPARC64]: Fix branch signedness bug in all code patching. 2006-03-20 01:12:29 -08:00
user_fixup.c [SPARC64]: Simplify user fault fixup handling. 2005-09-28 21:06:47 -07:00
VISsave.S [SPARC64]: Fix userland FPU state corruption. 2005-10-07 13:30:49 -07:00
xor.S [SPARC64]: Fix register usage in xor_raid_4(). 2007-10-13 21:53:14 -07:00