linux-kernel - Re: [PATCH 2/3] ftrace: use struct pid

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Message-ID: <m1abbct3hk.fsf@frodo.ebiederm.org>
Date:	Thu, 04 Dec 2008 06:32:55 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	containers@...ts.osdl.org,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	"Serge E. Hallyn" <serue@...ibm.com>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 2/3] ftrace: use struct pid

Steven Rostedt <rostedt@...dmis.org> writes:

> On Thu, 4 Dec 2008, Eric W. Biederman wrote:
>
>> Steven Rostedt <rostedt@...dmis.org> writes:
>> 
>> > From: Steven Rostedt <srostedt@...hat.com>
>> >
>> > Impact: clean up
>> >
>> > Eric Biederman suggested using the struct pid for filtering on
>> > pids in the kernel. This patch is based off of a demonstration
>> > of an implementation that Eric sent me in an email.
>> 
>> Please find_get_vpid and pid_vnr.  
>
> I could not find a "find_get_vpid".

Doh.  Grumble Pavel Grumble.

find_get_pid is the right one.

Sorry.  We have a stupid inconsistency in the naming here,
If we were consistent it would be find_get_vpid.

pid_vnr in that case then pid_vnr is definitely what you want
to use when talking to user space.

Eric
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