Kernel: Fix spinlock unlocking in x86_64

Spinlock unlock used a 64 bit write on 32 bit integer, overwriting some random memory. This caused some really hard to find bugs
2023-03-07 18:47:13 +02:00 · 2023-03-07 18:47:13 +02:00 · ed18d86f08
parent df8811fc1a
commit ed18d86f08
1 changed files with 1 additions and 1 deletions
--- a/kernel/arch/x86_64/SpinLock.S
+++ b/kernel/arch/x86_64/SpinLock.S
@ -13,5 +13,5 @@ spinlock_lock_asm:

 .global spinlock_unlock_asm
 spinlock_unlock_asm:
-	movq $0, (%rdi)
+	movl $0, (%rdi)
 	ret