linux/scripts/atomic/fallbacks/dec_unless_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

15 lines
225 B
Plaintext
Executable File

cat <<EOF
static inline bool
${atomic}_dec_unless_positive(${atomic}_t *v)
{
${int} c = ${atomic}_read(v);
do {
if (unlikely(c > 0))
return false;
} while (!${atomic}_try_cmpxchg(v, &c, c - 1));
return true;
}
EOF