diff options
| author | Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> | 2014-05-13 22:30:56 +0300 |
|---|---|---|
| committer | Stafford Horne <shorne@gmail.com> | 2017-02-25 04:14:06 +0900 |
| commit | bc19598f1dde267e5214e386b97bb647973275db (patch) | |
| tree | fb35f0097281aa51ce3b629342f4a4287693a7de /arch/openrisc/include/asm/Kbuild | |
| parent | 11595172537788f0007bfc16590aab18f2b9c40f (diff) | |
openrisc: add optimized atomic operations
Using the l.lwa and l.swa atomic instruction pair.
Most openrisc processor cores provide these instructions now. If the
instructions are not available emulation is provided.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
[shorne@gmail.com: remove OPENRISC_HAVE_INST_LWA_SWA config suggesed by
Alan Cox https://lkml.org/lkml/2014/7/23/666]
[shorne@gmail.com: expand to implement all ops suggested by Peter
Zijlstra https://lkml.org/lkml/2017/2/20/317]
Signed-off-by: Stafford Horne <shorne@gmail.com>
Diffstat (limited to 'arch/openrisc/include/asm/Kbuild')
| -rw-r--r-- | arch/openrisc/include/asm/Kbuild | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 15e6ed526453..1cedd6309fa6 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -1,7 +1,6 @@ header-y += ucontext.h -generic-y += atomic.h generic-y += auxvec.h generic-y += barrier.h generic-y += bitsperlong.h |