linux-apfs

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Michael S. Tsirkin 3226aad81a sh: support 1 and 2 byte xchg

This completes the xchg implementation for sh architecture.  Note: The
llsc variant is tricky since this only supports 4 byte atomics, the
existing implementation of 1 byte xchg is wrong: we need to do a 4 byte
cmpxchg and retry if any bytes changed meanwhile.

Write this in C for clarity.

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 20:47:01 +02:00

asm

sh: support 1 and 2 byte xchg

2016-01-12 20:47:01 +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_"