From 95bc3ed03bf192e3e62278850101fb94d46ab660 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 16 Jan 2025 14:19:25 -0500
Subject: ioq: Don't unroll the spin loop

---
 src/ioq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/ioq.c')

diff --git a/src/ioq.c b/src/ioq.c
index 8050c9e..dd5d31e 100644
--- a/src/ioq.c
+++ b/src/ioq.c
@@ -277,10 +277,13 @@ static struct ioq_monitor *ioq_slot_monitor(struct ioqq *ioqq, ioq_slot *slot) {
 /** Atomically wait for a slot to change. */
 _noinline
 static uintptr_t ioq_slot_wait(struct ioqq *ioqq, ioq_slot *slot, uintptr_t value) {
-	// Try spinning a few times before blocking
 	uintptr_t ret;
+
+	// Try spinning a few times before blocking
+	_nounroll
 	for (int i = 0; i < 10; ++i) {
 		// Exponential backoff
+		_nounroll
 		for (int j = 0; j < (1 << i); ++j) {
 			spin_loop();
 		}
-- 
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