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(parent: 53ff094) | patch
sh: GUSA atomic rollback support.
authorStuart Menefy <stuart.menefy@st.com>
Fri, 30 Nov 2007 07:12:36 +0000 (16:12 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 28 Jan 2008 04:18:58 +0000 (13:18 +0900)
commit1efe4ce3ca126da77e450d5a83f7201949d76f62
treefbae9902aa4103a9e86d06f841d580f24682e7b3tree | snapshot (tar.gz zip)
parent53ff09422e5e7a6d6198b767c8f494e43ec8e3aecommit | diff
sh: GUSA atomic rollback support.

This implements kernel-level atomic rollback built on top of gUSA,
as an alternative non-IRQ based atomicity method. This is generally
a faster method for platforms that are lacking the LL/SC pairs that
SH-4A and later use, and is only supportable on legacy cores.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 files changed:
arch/sh/Kconfig diff | blob | blame | history
arch/sh/kernel/cpu/sh3/entry.S diff | blob | blame | history
arch/sh/kernel/entry-common.S diff | blob | blame | history
arch/sh/kernel/process_32.c diff | blob | blame | history
arch/sh/kernel/signal_32.c diff | blob | blame | history
include/asm-sh/atomic-grb.h [new file with mode: 0644] blob
include/asm-sh/atomic.h diff | blob | blame | history
include/asm-sh/bitops-grb.h [new file with mode: 0644] blob
include/asm-sh/bitops-irq.h [new file with mode: 0644] blob
include/asm-sh/bitops.h diff | blob | blame | history
include/asm-sh/cmpxchg-grb.h [new file with mode: 0644] blob
include/asm-sh/cmpxchg-irq.h [new file with mode: 0644] blob
include/asm-sh/system.h diff | blob | blame | history