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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
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Mark Rutland
f3e615b4db
Now that gen-atomic-fallback.sh is only used to generate the arch_* fallbacks, we don't need to also generate the non-arch_* forms, and can removethe infrastructure this needed. There is no change to any of the generated headers as a result of this patch. Signed-off-by: Mark Rutland <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Link: https://lore.kernel.org/r/[email protected]
15 lines
249 B
Plaintext
Executable File
15 lines
249 B
Plaintext
Executable File
cat <<EOF
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static __always_inline bool
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arch_${atomic}_dec_unless_positive(${atomic}_t *v)
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{
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${int} c = arch_${atomic}_read(v);
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do {
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if (unlikely(c > 0))
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return false;
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} while (!arch_${atomic}_try_cmpxchg(v, &c, c - 1));
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return true;
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}
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EOF
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