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From: "Chen, Gong" <gong.chen@linux.intel.com>
To: Tony Luck <tony.luck@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>,
	"m.chehab@samsung.com" <m.chehab@samsung.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-acpi <linux-acpi@vger.kernel.org>,
	"arozansk@redhat.com" <arozansk@redhat.com>
Subject: Re: [PATCH 4/5] trace, eMCA: Add a knob to adjust where to save event log
Date: Fri, 4 Apr 2014 04:05:49 -0400	[thread overview]
Message-ID: <20140404080549.GA6267@gchen.bj.intel.com> (raw)
In-Reply-To: <CA+8MBbKxeSB9oubne9p2YJYcEZYt1gKDuZf3K-CEDjpk-K_Kdw@mail.gmail.com>

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On Thu, Apr 03, 2014 at 04:46:53PM -0700, Tony Luck wrote:
> > +static int extlog_trace_show(struct seq_file *m, void *v)
> > +{
> > +       atomic_inc(&trace_on);
> > +       return 0;
> > +}
> > +
> > +static int trace_open(struct inode *inode, struct file *file)
> > +{
> > +       return single_open(file, extlog_trace_show, NULL);
> > +}
> 
> Shouldn't this atomic_inc() be inside the trace_open() function
> ... not the extlog_trace_show()?
> 
Gee. It's my fault. I thought extlog_trace_show is only called
by *open* but after I look through related codes, I find it is called
be *read*, too. I will fix it in next version.

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  reply	other threads:[~2014-04-04  8:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-28  5:52 Add new eMCA trace event interface Chen, Gong
2014-03-28  5:52 ` [PATCH 1/5] trace, RAS: Add basic RAS trace event Chen, Gong
2014-04-09 19:46   ` Borislav Petkov
2014-04-14  3:20     ` Chen, Gong
2014-04-14 10:46       ` Borislav Petkov
2014-04-16  6:33     ` Chen, Gong
2014-04-16 13:10       ` Borislav Petkov
2014-03-28  5:52 ` [PATCH 2/5] CPER: Adjust code flow of some functions Chen, Gong
2014-04-14 13:39   ` Borislav Petkov
2014-04-14 14:05     ` Borislav Petkov
2014-04-15  9:24       ` Chen, Gong
2014-04-15 18:02         ` Borislav Petkov
2014-04-16  5:01           ` Chen, Gong
2014-04-16 13:14             ` Borislav Petkov
2014-04-15  9:19     ` Chen, Gong
2014-04-15 18:05       ` Borislav Petkov
2014-04-16  6:23         ` Chen, Gong
2014-04-16 13:28           ` Borislav Petkov
2014-04-17  3:00             ` Chen, Gong
2014-03-28  5:52 ` [PATCH 3/5] trace, RAS: Add eMCA trace event interface Chen, Gong
2014-03-28  5:53 ` [PATCH 4/5] trace, eMCA: Add a knob to adjust where to save event log Chen, Gong
2014-04-03 23:46   ` Tony Luck
2014-04-04  8:05     ` Chen, Gong [this message]
2014-04-08  7:59     ` [PATCH 4/5 v2] " Chen, Gong
2014-03-28  5:53 ` [PATCH 5/5] trace, AER: Move trace into unified interface Chen, Gong

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