From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Na7Ks-00055W-TS for qemu-devel@nongnu.org; Wed, 27 Jan 2010 07:49:31 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Na7Kq-00054G-NK for qemu-devel@nongnu.org; Wed, 27 Jan 2010 07:49:29 -0500 Received: from [199.232.76.173] (port=50368 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Na7Kq-00054B-EL for qemu-devel@nongnu.org; Wed, 27 Jan 2010 07:49:28 -0500 Received: from afflict.kos.to ([92.243.29.197]:42907) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Na7Kp-0000dM-Kd for qemu-devel@nongnu.org; Wed, 27 Jan 2010 07:49:27 -0500 From: Riku Voipio Date: Wed, 27 Jan 2010 12:49:23 +0000 Message-Id: <1264596565-8907-3-git-send-email-riku.voipio@iki.fi> In-Reply-To: <1264596565-8907-1-git-send-email-riku.voipio@iki.fi> References: <1264596565-8907-1-git-send-email-riku.voipio@iki.fi> Subject: [Qemu-devel] [PATCH 2/4] fix locking error with current_tb List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 */ -- 1.6.5