[PATCH 04/11] ARC: atomic64: LLSC: elide unused atomic_{and,or,xor,andnot}_return
From: Vineet Gupta <hidden>
Date: 2021-08-04 19:16:17
Also in:
lkml
Subsystem:
atomic infrastructure, synopsys arc architecture, the rest · Maintainers:
Will Deacon, Peter Zijlstra, Boqun Feng, Vineet Gupta, Linus Torvalds
This is a non-functional change since those wrappers are not used in kernel sources at all. Link: http://lists.infradead.org/pipermail/linux-snps-arc/2018-August/004246.html Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Vineet Gupta <redacted> --- arch/arc/include/asm/atomic64-arcv2.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arc/include/asm/atomic64-arcv2.h b/arch/arc/include/asm/atomic64-arcv2.h
index 53996b11b551..22ef1cbb94e2 100644
--- a/arch/arc/include/asm/atomic64-arcv2.h
+++ b/arch/arc/include/asm/atomic64-arcv2.h@@ -116,6 +116,12 @@ static inline s64 arch_atomic64_fetch_##op(s64 a, atomic64_t *v) \ ATOMIC64_OPS(add, add.f, adc) ATOMIC64_OPS(sub, sub.f, sbc) + +#undef ATOMIC64_OPS +#define ATOMIC64_OPS(op, op1, op2) \ + ATOMIC64_OP(op, op1, op2) \ + ATOMIC64_FETCH_OP(op, op1, op2) + ATOMIC64_OPS(and, and, and) ATOMIC64_OPS(andnot, bic, bic) ATOMIC64_OPS(or, or, or)
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2.25.1