From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753143AbbEHNVm (ORCPT ); Fri, 8 May 2015 09:21:42 -0400 Received: from terminus.zytor.com ([198.137.202.10]:48023 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752214AbbEHNVk (ORCPT ); Fri, 8 May 2015 09:21:40 -0400 Date: Fri, 8 May 2015 06:20:47 -0700 From: tip-bot for Palmer Dabbelt Message-ID: Cc: hpa@zytor.com, peterz@infradead.org, tglx@linutronix.de, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, bp@alien8.de, palmer@dabbelt.com, akpm@linux-foundation.org, mingo@kernel.org, cmetcalf@ezchip.com Reply-To: palmer@dabbelt.com, akpm@linux-foundation.org, mingo@kernel.org, cmetcalf@ezchip.com, torvalds@linux-foundation.org, bp@alien8.de, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de, hpa@zytor.com In-Reply-To: <1430453997-32459-4-git-send-email-palmer@dabbelt.com> References: <1430453997-32459-4-git-send-email-palmer@dabbelt.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] signals, sched: Change all uses of JOBCTL_* from 'int' to 'long' Git-Commit-ID: b76808e6808e34e7e78131d2b8cb0535622b8e9f X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: b76808e6808e34e7e78131d2b8cb0535622b8e9f Gitweb: http://git.kernel.org/tip/b76808e6808e34e7e78131d2b8cb0535622b8e9f Author: Palmer Dabbelt AuthorDate: Thu, 30 Apr 2015 21:19:57 -0700 Committer: Ingo Molnar CommitDate: Fri, 8 May 2015 12:04:36 +0200 signals, sched: Change all uses of JOBCTL_* from 'int' to 'long' c56fb6564dcd ("Fix a misaligned load inside ptrace_attach()") makes jobctl an "unsigned long". It makes sense to have the masks applied to it match that type. This is currently just a cosmetic change, but it will prevent the mask from being unexpectedly truncated if we ever end up with masks with more bits. One instance of "signr" is an int, but I left this alone because the mask ensures that it will never overflow. Signed-off-by: Palmer Dabbelt Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Chris Metcalf Cc: Andrew Morton Cc: Borislav Petkov Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Thomas Gleixner Cc: bobby.prani@gmail.com Cc: oleg@redhat.com Cc: paulmck@linux.vnet.ibm.com Cc: richard@nod.at Cc: vdavydov@parallels.com Link: http://lkml.kernel.org/r/1430453997-32459-4-git-send-email-palmer@dabbelt.com Signed-off-by: Ingo Molnar --- include/linux/sched.h | 18 +++++++++--------- kernel/signal.c | 6 +++--- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 85cf253..4f066cb 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2082,22 +2082,22 @@ TASK_PFA_CLEAR(SPREAD_SLAB, spread_slab) #define JOBCTL_TRAPPING_BIT 21 /* switching to TRACED */ #define JOBCTL_LISTENING_BIT 22 /* ptracer is listening for events */ -#define JOBCTL_STOP_DEQUEUED (1 << JOBCTL_STOP_DEQUEUED_BIT) -#define JOBCTL_STOP_PENDING (1 << JOBCTL_STOP_PENDING_BIT) -#define JOBCTL_STOP_CONSUME (1 << JOBCTL_STOP_CONSUME_BIT) -#define JOBCTL_TRAP_STOP (1 << JOBCTL_TRAP_STOP_BIT) -#define JOBCTL_TRAP_NOTIFY (1 << JOBCTL_TRAP_NOTIFY_BIT) -#define JOBCTL_TRAPPING (1 << JOBCTL_TRAPPING_BIT) -#define JOBCTL_LISTENING (1 << JOBCTL_LISTENING_BIT) +#define JOBCTL_STOP_DEQUEUED (1UL << JOBCTL_STOP_DEQUEUED_BIT) +#define JOBCTL_STOP_PENDING (1UL << JOBCTL_STOP_PENDING_BIT) +#define JOBCTL_STOP_CONSUME (1UL << JOBCTL_STOP_CONSUME_BIT) +#define JOBCTL_TRAP_STOP (1UL << JOBCTL_TRAP_STOP_BIT) +#define JOBCTL_TRAP_NOTIFY (1UL << JOBCTL_TRAP_NOTIFY_BIT) +#define JOBCTL_TRAPPING (1UL << JOBCTL_TRAPPING_BIT) +#define JOBCTL_LISTENING (1UL << JOBCTL_LISTENING_BIT) #define JOBCTL_TRAP_MASK (JOBCTL_TRAP_STOP | JOBCTL_TRAP_NOTIFY) #define JOBCTL_PENDING_MASK (JOBCTL_STOP_PENDING | JOBCTL_TRAP_MASK) extern bool task_set_jobctl_pending(struct task_struct *task, - unsigned int mask); + unsigned long mask); extern void task_clear_jobctl_trapping(struct task_struct *task); extern void task_clear_jobctl_pending(struct task_struct *task, - unsigned int mask); + unsigned long mask); static inline void rcu_copy_process(struct task_struct *p) { diff --git a/kernel/signal.c b/kernel/signal.c index d51c5dd..f19833b 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -245,7 +245,7 @@ static inline void print_dropped_signal(int sig) * RETURNS: * %true if @mask is set, %false if made noop because @task was dying. */ -bool task_set_jobctl_pending(struct task_struct *task, unsigned int mask) +bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask) { BUG_ON(mask & ~(JOBCTL_PENDING_MASK | JOBCTL_STOP_CONSUME | JOBCTL_STOP_SIGMASK | JOBCTL_TRAPPING)); @@ -297,7 +297,7 @@ void task_clear_jobctl_trapping(struct task_struct *task) * CONTEXT: * Must be called with @task->sighand->siglock held. */ -void task_clear_jobctl_pending(struct task_struct *task, unsigned int mask) +void task_clear_jobctl_pending(struct task_struct *task, unsigned long mask) { BUG_ON(mask & ~JOBCTL_PENDING_MASK); @@ -2000,7 +2000,7 @@ static bool do_signal_stop(int signr) struct signal_struct *sig = current->signal; if (!(current->jobctl & JOBCTL_STOP_PENDING)) { - unsigned int gstop = JOBCTL_STOP_PENDING | JOBCTL_STOP_CONSUME; + unsigned long gstop = JOBCTL_STOP_PENDING | JOBCTL_STOP_CONSUME; struct task_struct *t; /* signr will be recorded in task->jobctl for retries */