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From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Anton Arapov <aarapov@redhat.com>,
	David Long <dave.long@linaro.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] uprobes/tracing: uprobe_perf_open() forgets to handle	the error from uprobe_apply()
Date: Thu, 24 Apr 2014 14:33:41 +0530	[thread overview]
Message-ID: <20140424090341.GA6437@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140423165830.GA29493@redhat.com>


Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
(with 2 nits that you can ignore)

>  		done = tu->filter.nr_systemwide ||
> -			event->parent || event->attr.enable_on_exec ||
> +			(event->hw.tp_target->flags & PF_EXITING) ||
>  			uprobe_filter_event(tu, event);
> -		list_add(&event->hw.tp_list, &tu->filter.perf_events);
>  	} else {
> +		tu->filter.nr_systemwide--;
>  		done = tu->filter.nr_systemwide;
> -		tu->filter.nr_systemwide++;
>  	}

Nit: I think 2 lines can be made into
 done = --tu->filter.nr_systemwide;


<snipped>
>  		done = tu->filter.nr_systemwide ||
> -			(event->hw.tp_target->flags & PF_EXITING) ||
> +			event->parent || event->attr.enable_on_exec ||
>  			uprobe_filter_event(tu, event);
> +		list_add(&event->hw.tp_list, &tu->filter.perf_events);
>  	} else {
> -		tu->filter.nr_systemwide--;
>  		done = tu->filter.nr_systemwide;
> +		tu->filter.nr_systemwide++;
>  	}

Nit: Similarly lines can be made into
 done = tu->filter.nr_systemwide++;


-- 
Thanks and Regards
Srikar Dronamraju


  parent reply	other threads:[~2014-04-24  9:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-23 16:58 [PATCH 0/1] uprobes/tracing: uprobe_perf_open() forgets to handle the error from uprobe_apply() Oleg Nesterov
2014-04-23 16:58 ` [PATCH 1/1] " Oleg Nesterov
2014-04-24  3:17   ` Steven Rostedt
2014-04-24 11:54     ` [PATCH v2 0/2] uprobes/tracing: uprobe_perf_open()->uprobe_apply() fix Oleg Nesterov
2014-04-24 11:55       ` [PATCH v2 1/2] uprobes/tracing: Make uprobe_perf_close() visible to uprobe_perf_open() Oleg Nesterov
2014-04-24 11:55       ` [PATCH v2 2/2] uprobes/tracing: Fix uprobe_perf_open() on uprobe_apply() failure Oleg Nesterov
2014-04-24 12:37       ` [PATCH v2 0/2] uprobes/tracing: uprobe_perf_open()->uprobe_apply() fix Steven Rostedt
2014-04-24  9:03   ` Srikar Dronamraju [this message]
2014-04-24 12:27     ` [PATCH 1/1] uprobes/tracing: uprobe_perf_open() forgets to handle the error from uprobe_apply() Oleg Nesterov

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