From patchwork Wed Jan 27 12:49:23 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/4] fix locking error with current_tb Date: Wed, 27 Jan 2010 02:49:23 -0000 From: Riku Voipio X-Patchwork-Id: 43796 Message-Id: <1264596565-8907-3-git-send-email-riku.voipio@iki.fi> To: qemu-devel@nongnu.org Cc: Riku Voipio From: Riku Voipio Signed-off-by: Riku Voipio --- exec.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/exec.c b/exec.c index 76831a1..431e104 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 */