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Michael S. Tsirkin 9e3f84ce41 sh: move xchg_cmpxchg to a header by itself 
Looks like future sh variants will support a 4-byte cas which will be
used to implement 1 and 2 byte xchg.

This is exactly what we do for llsc now, move the portable part of the
code into a separate header so it's easy to reuse.

Suggested-by:  Rich Felker <dalias@libc.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
 		2016-01-12 20:47:02 +02:00
..
asm sh: move xchg_cmpxchg to a header by itself 2016-01-12 20:47:02 +02:00
cpu-common/cpu sh: Remove unused sh_pfc_register_info() function 2013-01-25 09:24:30 +09:00
cpu-sh2/cpu sh: prefix sh-specific "CCR" and "CCR2" by "SH_" 2014-03-04 07:55:49 -08:00
cpu-sh2a/cpu sh: prefix sh-specific "CCR" and "CCR2" by "SH_" 2014-03-04 07:55:49 -08:00
cpu-sh3/cpu sh: prefix sh-specific "CCR" and "CCR2" by "SH_" 2014-03-04 07:55:49 -08:00
cpu-sh4/cpu sh: remove CPU_SUBTYPE_SH7764 2014-08-06 18:01:12 -07:00
cpu-sh4a/cpu sh: remove CPU_SUBTYPE_SH7764 2014-08-06 18:01:12 -07:00
cpu-sh5/cpu sh: Tidy up some of the cpu legacy dma header mess. 2012-05-19 18:30:31 +09:00
mach-common/mach sh: legacy PCI evt2irq migration. 2012-05-18 17:42:29 +09:00
mach-dreamcast/mach sh: Kill off MAX_DMA_ADDRESS leftovers. 2012-05-19 18:50:09 +09:00
mach-ecovec24/mach UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
mach-kfr2r09/mach sh: kfr2r09: Use lv5207lp backlight 2013-07-17 10:06:18 +09:00
mach-landisk/mach sh: landisk evt2irq migration. 2012-05-18 16:51:36 +09:00
mach-migor/mach fbdev: sh_mobile_lcdc: Remove board configuration board_data field 2012-03-12 22:40:49 +01:00
mach-sdk7786/mach sh: mach-sdk7786: Handle baseboard NMI source selection. 2010-12-17 18:58:04 +09:00
mach-se/mach Merge branch 'sh/dynamic-irq-cleanup' into sh-latest 2012-06-13 12:12:41 +09:00
mach-sh03/mach
…
mach-x3proto/mach sh: mach-x3proto: Support for baseboard GPIOs. 2010-10-04 02:59:29 +09:00
uapi/asm sh64: fix __NR_fgetxattr 2015-12-12 10:15:34 -08:00