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[Qemu-devel] [PATCH 2/5] fix locking error with current_tb
From: |
Riku Voipio |
Subject: |
[Qemu-devel] [PATCH 2/5] fix locking error with current_tb |
Date: |
Tue, 26 Jan 2010 16:00:01 +0000 |
From: Riku Voipio <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
---
exec.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/exec.c b/exec.c
index 1190591..71f655f 100644
--- a/exec.c
+++ b/exec.c
@@ -1537,15 +1537,15 @@ static void cpu_unlink_tb(CPUState *env)
TranslationBlock *tb;
static spinlock_t interrupt_lock = SPIN_LOCK_UNLOCKED;
+ spin_lock(&interrupt_lock);
tb = env->current_tb;
/* if the cpu is currently executing code, we must unlink it and
all the potentially executing TB */
if (tb) {
- spin_lock(&interrupt_lock);
env->current_tb = NULL;
tb_reset_jump_recursive(tb);
- spin_unlock(&interrupt_lock);
}
+ spin_unlock(&interrupt_lock);
}
/* mask must never be zero, except for A20 change call */
--
1.6.5