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linux-yocto/scripts/atomic/fallbacks/dec_if_positive
Ingo Molnar 4d8e5cd233 locking/atomics: Fix scripts/atomic/ script permissions 
Mark all these scripts executable.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: linuxdrivers@attotech.com
Cc: dvyukov@google.com
Cc: boqun.feng@gmail.com
Cc: arnd@arndb.de
Cc: aryabinin@virtuozzo.com
Cc: glider@google.com
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-11-01 12:45:46 +01:00

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cat <<EOF static inline ${ret} ${atomic}_dec_if_positive(${atomic}_t *v) { ${int} dec, c = ${atomic}_read(v);

do {
	dec = c - 1;
	if (unlikely(dec < 0))
		break;
} while (!${atomic}_try_cmpxchg(v, &c, dec));

return dec;

} EOF