From 4278f99adcbcfbd52904c0d8809184afe091c958 Mon Sep 17 00:00:00 2001 From: Agustina Arzille Date: Fri, 21 Jul 2017 00:49:39 +0200 Subject: Rework mutex implementation selection --- kern/rtmutex.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'kern/rtmutex.c') diff --git a/kern/rtmutex.c b/kern/rtmutex.c index 6f639ddf..6909ce18 100644 --- a/kern/rtmutex.c +++ b/kern/rtmutex.c @@ -36,7 +36,7 @@ void rtmutex_lock_slow(struct rtmutex *rtmutex) { struct turnstile *turnstile; - uintptr_t owner, prev_owner; + uintptr_t owner, prev_owner; /* TODO Review names */ struct thread *thread; uintptr_t bits; @@ -64,6 +64,7 @@ rtmutex_lock_slow(struct rtmutex *rtmutex) turnstile_own(turnstile); if (turnstile_empty(turnstile)) { + /* TODO Review memory order */ prev_owner = atomic_swap_acquire(&rtmutex->owner, owner); assert(prev_owner == (owner | bits)); } -- cgit v1.2.3