Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752989Ab3DAFUN (ORCPT ); Mon, 1 Apr 2013 01:20:13 -0400 Received: from mail-vc0-f171.google.com ([209.85.220.171]:35793 "EHLO mail-vc0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751970Ab3DAFUL (ORCPT ); Mon, 1 Apr 2013 01:20:11 -0400 MIME-Version: 1.0 In-Reply-To: <147bfb5aa81790f94df75858bf20570cbacc9dca.1364740180.git.viresh.kumar@linaro.org> References: <147bfb5aa81790f94df75858bf20570cbacc9dca.1364740180.git.viresh.kumar@linaro.org> Date: Mon, 1 Apr 2013 10:50:09 +0530 Message-ID: Subject: Re: [PATCH V4 1/4] workqueue: Add system wide system_freezable_unbound_wq From: Amit Kucheria To: Viresh Kumar Cc: Tejun Heo , axboe@kernel.dk, Robin Randhawa , linux-rt-users@vger.kernel.org, Patch Tracking , Peter Zijlstra , Liviu Dudau , linux-kernel@vger.kernel.org, Steven Rostedt , Lists linaro-kernel , Steve Bannister , airlied@redhat.com, Arvind Chauhan , mingo@redhat.com, davem@davemloft.net, Charles Garcia-Tobin Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3026 Lines: 72 On Sun, Mar 31, 2013 at 8:01 PM, Viresh Kumar wrote: > This patch adds system wide system_freezable_unbound_wq which will be used by > code that currently uses system_freezable_wq and can be moved to unbound > workqueues. _Why_ do i need this change? > Signed-off-by: Viresh Kumar > --- > include/linux/workqueue.h | 4 ++++ > kernel/workqueue.c | 7 ++++++- > 2 files changed, 10 insertions(+), 1 deletion(-) > > diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h > index 835d12b..ab7597b 100644 > --- a/include/linux/workqueue.h > +++ b/include/linux/workqueue.h > @@ -325,11 +325,15 @@ enum { > * > * system_freezable_wq is equivalent to system_wq except that it's > * freezable. > + * > + * system_freezable_unbound_wq is equivalent to system_unbound_wq except that > + * it's freezable. > */ > extern struct workqueue_struct *system_wq; > extern struct workqueue_struct *system_long_wq; > extern struct workqueue_struct *system_unbound_wq; > extern struct workqueue_struct *system_freezable_wq; > +extern struct workqueue_struct *system_freezable_unbound_wq; > > static inline struct workqueue_struct * __deprecated __system_nrt_wq(void) > { > diff --git a/kernel/workqueue.c b/kernel/workqueue.c > index df2f6c4..771a5cc 100644 > --- a/kernel/workqueue.c > +++ b/kernel/workqueue.c > @@ -281,6 +281,8 @@ struct workqueue_struct *system_unbound_wq __read_mostly; > EXPORT_SYMBOL_GPL(system_unbound_wq); > struct workqueue_struct *system_freezable_wq __read_mostly; > EXPORT_SYMBOL_GPL(system_freezable_wq); > +struct workqueue_struct *system_freezable_unbound_wq __read_mostly; > +EXPORT_SYMBOL_GPL(system_freezable_unbound_wq); > > static int worker_thread(void *__worker); > static void copy_workqueue_attrs(struct workqueue_attrs *to, > @@ -4467,8 +4469,11 @@ static int __init init_workqueues(void) > WQ_UNBOUND_MAX_ACTIVE); > system_freezable_wq = alloc_workqueue("events_freezable", > WQ_FREEZABLE, 0); > + system_freezable_unbound_wq = alloc_workqueue("events_unbound_freezable", > + WQ_FREEZABLE | WQ_UNBOUND, 0); > BUG_ON(!system_wq || !system_highpri_wq || !system_long_wq || > - !system_unbound_wq || !system_freezable_wq); > + !system_unbound_wq || !system_freezable_wq || > + !system_freezable_unbound_wq); > return 0; > } > early_initcall(init_workqueues); > -- > 1.7.12.rc2.18.g61b472e > > > _______________________________________________ > linaro-kernel mailing list > linaro-kernel@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-kernel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/