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From: Matt Fleming <matt@console-pimps.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: linux-kernel@vger.kernel.org, Ian Kent <raven@themaw.net>
Subject: Re: [PATCH 37/41] autofs4: Use set_current_blocked()
Date: Tue, 16 Aug 2011 21:29:46 +0100	[thread overview]
Message-ID: <1313526586.3436.188.camel@mfleming-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20110816174707.GH29190@redhat.com>

On Tue, 2011-08-16 at 19:47 +0200, Oleg Nesterov wrote:
> On 08/11, Matt Fleming wrote:
> >
> > As described in e6fa16ab ("signal: sigprocmask() should do
> > retarget_shared_pending()") the modification of current->blocked is
> > incorrect as we need to check whether the signal we're about to block
> > is pending in the shared queue.
> 
> ACK.
> 
> 
> cough, can't resist...
> 
> > @@ -458,21 +458,16 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
> >  	 */
> >  	if (wq->name.name) {
> >  		/* Block all but "shutdown" signals while waiting */
> > -		sigset_t oldset;
> > +		sigset_t oldset, blocked;
> >  		unsigned long irqflags;
> >  
> > -		spin_lock_irqsave(&current->sighand->siglock, irqflags);
> >  		oldset = current->blocked;
> > -		siginitsetinv(&current->blocked, SHUTDOWN_SIGS & ~oldset.sig[0]);
> > -		recalc_sigpending();
> > -		spin_unlock_irqrestore(&current->sighand->siglock, irqflags);
> > +		siginitsetinv(&blocked, SHUTDOWN_SIGS & ~oldset.sig[0]);
> > +		set_current_blocked(&blocked);
> >  
> >  		wait_event_interruptible(wq->queue, wq->name.name == NULL);
> > -
> > -		spin_lock_irqsave(&current->sighand->siglock, irqflags);
> > -		current->blocked = oldset;
> > -		recalc_sigpending();
> > -		spin_unlock_irqrestore(&current->sighand->siglock, irqflags);
> > +		
> 
> this adds the trailing whitespaces ;)

Whoops! I fixed that and added your Acked-by. Thanks!

-- 
Matt Fleming, Intel Open Source Technology Center


  reply	other threads:[~2011-08-16 20:29 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-11 13:56 [PATCH 00/41] signal: " Matt Fleming
2011-08-11 13:56 ` [PATCH 01/41] alpha: " Matt Fleming
2011-08-11 13:56 ` [PATCH 02/41] arm: " Matt Fleming
2011-08-11 17:04   ` Will Deacon
2011-08-11 13:56 ` [PATCH 03/41] avr32: Don't mask signals in the error path Matt Fleming
2011-08-11 13:56 ` [PATCH 04/41] avr32: use set_current_blocked() in handle_signal/sys_rt_sigreturn Matt Fleming
2011-08-11 13:56 ` [PATCH 05/41] blackfin: Use set_current_blocked() Matt Fleming
2011-08-11 13:56 ` [PATCH 06/41] cris: " Matt Fleming
2011-08-11 13:56 ` [PATCH 07/41] frv: " Matt Fleming
2011-08-11 13:56 ` [PATCH 08/41] h8300: " Matt Fleming
2011-08-11 13:56 ` [PATCH 09/41] ia64: " Matt Fleming
2011-08-11 13:56 ` [PATCH 10/41] m32r: " Matt Fleming
2011-08-11 13:56 ` [PATCH 11/41] m68k: " Matt Fleming
2011-08-11 13:56 ` [PATCH 12/41] microblaze: Don't reimplement force_sigsegv() Matt Fleming
2011-08-16 17:20   ` Oleg Nesterov
2011-08-16 17:20     ` Oleg Nesterov
2011-08-17 13:01       ` Michal Simek
2011-08-17 13:14         ` Oleg Nesterov
2011-08-17 13:25           ` Matt Fleming
2011-08-17 13:17         ` Matt Fleming
2011-08-17 13:22           ` Michal Simek
2011-08-11 13:56 ` [PATCH 13/41] microblaze: No need to reset handler if SA_ONESHOT Matt Fleming
2011-08-11 13:56 ` [PATCH 14/41] microblaze: Fix signal masking Matt Fleming
2011-08-11 13:56 ` [PATCH 15/41] microblaze: Use set_current_blocked() Matt Fleming
2011-08-11 13:56 ` [PATCH 16/41] MIPS: " Matt Fleming
2011-08-11 13:56 ` [PATCH 17/41] mn10300: " Matt Fleming
2011-08-11 13:56 ` [PATCH 18/41] OpenRISC: Don't reimplement force_sigsegv() Matt Fleming
2011-08-16 16:49   ` Oleg Nesterov
2011-08-16 19:33     ` Matt Fleming
2011-08-18 17:47       ` Oleg Nesterov
2011-08-11 13:56 ` [PATCH 19/41] OpenRISC: No need to reset handler if SA_ONESHOT Matt Fleming
2011-08-16 16:53   ` Oleg Nesterov
2011-08-11 13:56 ` [PATCH 20/41] OpenRISC: Don't mask signals if we fail to setup signal stack Matt Fleming
2011-08-11 13:56 ` [PATCH 21/41] OpenRISC: Use set_current_blocked() Matt Fleming
2011-08-11 13:56 ` [PATCH 22/41] parisc: " Matt Fleming
2011-08-11 13:56 ` [PATCH 23/41] powerpc: " Matt Fleming
2011-08-11 13:56 ` [PATCH 24/41] score: Don't mask signals if we fail to setup signal stack Matt Fleming
2011-08-11 13:56 ` [PATCH 25/41] score: Use set_current_blocked() Matt Fleming
2011-08-11 13:57 ` [PATCH 26/41] sh: No need to reset handler if SA_ONESHOT Matt Fleming
2011-08-16 17:25   ` Oleg Nesterov
2011-08-11 13:57 ` [PATCH 27/41] sh: Use set_current_blocked() Matt Fleming
2011-08-11 13:57 ` [PATCH 28/41] sparc: " Matt Fleming
2011-08-11 13:57 ` [PATCH 29/41] tile: " Matt Fleming
2011-08-11 17:10   ` Chris Metcalf
2011-08-11 13:57 ` [PATCH 30/41] um: " Matt Fleming
2011-08-11 13:57 ` [PATCH 31/41] um: Don't restore current->blocked on error Matt Fleming
2011-08-16 17:38   ` Oleg Nesterov
2011-08-11 13:57 ` [PATCH 32/41] unicore32: Use set_current_blocked() Matt Fleming
2011-08-18  8:34   ` Guan Xuetao
2011-08-11 13:57 ` [PATCH 33/41] xtensa: Don't reimplement force_sigsegv() Matt Fleming
2011-08-16 17:40   ` Oleg Nesterov
2011-08-11 13:57 ` [PATCH 34/41] xtensa: No need to reset handler if SA_ONESHOT Matt Fleming
2011-08-11 13:57 ` [PATCH 35/41] xtensa: Don't mask signals if we fail to setup signal stack Matt Fleming
2011-08-11 13:57 ` [PATCH 36/41] xtensa: Use set_current_blocked() Matt Fleming
2011-08-11 13:57 ` [PATCH 37/41] autofs4: " Matt Fleming
2011-08-16 17:47   ` Oleg Nesterov
2011-08-16 20:29     ` Matt Fleming [this message]
2011-08-11 13:57 ` [PATCH 38/41] coda: " Matt Fleming
2011-08-11 13:57 ` [PATCH 39/41] dlm: Remove another superfluous call to recalc_sigpending() Matt Fleming
2011-08-11 15:39   ` David Teigland
2011-08-16 19:36   ` Oleg Nesterov
2011-08-11 13:57 ` [PATCH 40/41] ncpfs: Use set_current_blocked() Matt Fleming
2011-08-16 17:56   ` Oleg Nesterov
2011-08-16 20:56     ` Matt Fleming
2011-08-17 12:04       ` Oleg Nesterov
2011-08-17 13:58         ` Matt Fleming
2011-08-17 14:41           ` Oleg Nesterov
     [not found]             ` <CA+i2_De=mKMHj++b5=ZPdXxp7pm2KzY+PzCaG++GWSud20a_qQ@mail.gmail.com>
2011-08-18 17:05               ` Oleg Nesterov
2011-08-18 20:09                 ` Matt Fleming
2011-08-11 13:57 ` [PATCH 41/41] exit: Use __set_task_blocked() Matt Fleming
2011-08-16 18:06   ` Oleg Nesterov
2011-08-16 19:44     ` [PATCH 0/1] kthreads: allow_signal: don't play with ->blocked Oleg Nesterov
2011-08-16 19:44       ` [PATCH 1/1] " Oleg Nesterov
2011-08-16 19:51         ` Tejun Heo
2011-08-16 20:07           ` Oleg Nesterov
2011-08-16 21:50           ` Matt Fleming
2011-08-17  7:27             ` Tejun Heo
2011-08-17  9:56               ` Matt Fleming
2011-08-17 18:26               ` Oleg Nesterov
2011-08-16 21:51     ` [PATCH 41/41] exit: Use __set_task_blocked() Matt Fleming
2011-08-11 16:03 ` [PATCH 00/41] signal: Use set_current_blocked() Oleg Nesterov
2011-08-16 19:40   ` Matt Fleming
2011-08-17 17:01     ` Oleg Nesterov
2011-08-17 22:17       ` Matt Fleming
2011-08-18 11:09         ` Matt Fleming
2011-08-18 18:36           ` Oleg Nesterov
2011-08-16 19:58 ` Oleg Nesterov

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