From: Juri Lelli <juri.lelli@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@redhat.com, rostedt@goodmis.org, tj@kernel.org,
linux-kernel@vger.kernel.org, luca.abeni@santannapisa.it,
claudio@evidence.eu.com, tommaso.cucinotta@santannapisa.it,
bristot@redhat.com, mathieu.poirier@linaro.org,
lizefan@huawei.com, cgroups@vger.kernel.org
Subject: Re: [PATCH v6 3/5] cgroup/cpuset: make callback_lock raw
Date: Tue, 5 Feb 2019 10:18:01 +0100 [thread overview]
Message-ID: <20190205091801.GD30905@localhost.localdomain> (raw)
In-Reply-To: <20190204115550.GB17550@hirez.programming.kicks-ass.net>
On 04/02/19 12:55, Peter Zijlstra wrote:
> On Thu, Jan 17, 2019 at 09:47:37AM +0100, Juri Lelli wrote:
> > @@ -2366,7 +2366,7 @@ static int cpuset_common_seq_show(struct seq_file *sf, void *v)
> > cpuset_filetype_t type = seq_cft(sf)->private;
> > int ret = 0;
> >
> > - spin_lock_irq(&callback_lock);
> > + raw_spin_lock_irq(&callback_lock);
> >
> > switch (type) {
> > case FILE_CPULIST:
> > @@ -2388,7 +2388,7 @@ static int cpuset_common_seq_show(struct seq_file *sf, void *v)
> > ret = -EINVAL;
> > }
> >
> > - spin_unlock_irq(&callback_lock);
> > + raw_spin_unlock_irq(&callback_lock);
> > return ret;
> > }
> >
> could we not convert this to use cpuset_mutex ?
Looks like we can.
I'll do the change.
next prev parent reply other threads:[~2019-02-05 9:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-17 8:47 [PATCH v6 0/5] sched/deadline: fix cpusets bandwidth accounting Juri Lelli
2019-01-17 8:47 ` [PATCH v6 1/5] sched/topology: Adding function partition_sched_domains_locked() Juri Lelli
2019-01-17 8:47 ` [PATCH v6 2/5] sched/core: Streamlining calls to task_rq_unlock() Juri Lelli
2019-01-17 8:47 ` [PATCH v6 3/5] cgroup/cpuset: make callback_lock raw Juri Lelli
2019-02-04 11:55 ` Peter Zijlstra
2019-02-05 9:18 ` Juri Lelli [this message]
2019-02-04 12:02 ` Peter Zijlstra
2019-02-04 12:07 ` Peter Zijlstra
2019-02-05 9:18 ` Juri Lelli
2019-01-17 8:47 ` [PATCH v6 4/5] sched/core: Prevent race condition between cpuset and __sched_setscheduler() Juri Lelli
2019-02-04 12:10 ` Peter Zijlstra
2019-02-05 9:51 ` Juri Lelli
2019-02-05 11:20 ` Peter Zijlstra
2019-02-05 11:49 ` Juri Lelli
2019-01-17 8:47 ` [PATCH v6 5/5] cpuset: Rebuild root domain deadline accounting information Juri Lelli
2019-01-18 16:17 ` [PATCH v6 0/5] sched/deadline: fix cpusets bandwidth accounting Tejun Heo
2019-01-18 16:46 ` Juri Lelli
2019-02-04 9:02 ` Juri Lelli
2019-02-04 12:18 ` Peter Zijlstra
2019-02-04 18:45 ` Waiman Long
2019-02-05 9:18 ` Juri Lelli
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