From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: [PATCH] use simpler test_task_thread to test current ti flags Date: Thu, 28 Jan 2010 17:33:11 -0600 Message-ID: <20100128233311.GA9890@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Oren Laadan Cc: Linux Containers List-Id: containers.vger.kernel.org This ought to be folded into the 'fix 31-bit s390 checkpoint/restart wrappers' patch which I sent earlier today. Not a bug without it, just not as nice. Signed-off-by: Serge E. Hallyn --- arch/s390/kernel/checkpoint.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/s390/kernel/checkpoint.c b/arch/s390/kernel/checkpoint.c index 8ec12c6..60ba04d 100644 --- a/arch/s390/kernel/checkpoint.c +++ b/arch/s390/kernel/checkpoint.c @@ -148,7 +148,8 @@ int checkpoint_mm_context(struct ckpt_ctx *ctx, struct mm_struct *mm) int restore_thread(struct ckpt_ctx *ctx) { - if (test_tsk_thread_flag(current, TIF_31BIT)) { + /* a 31-bit task cannot call sys_restart right now */ + if (test_thread_flag(TIF_31BIT)) { ckpt_err(ctx, -EINVAL, "restart from 31-bit task\n"); return -EINVAL; } -- 1.6.1