linux-kernel - Re: TRACE_EVENT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.00.0909210926010.7647@gandalf.stny.rr.com>
Date:	Mon, 21 Sep 2009 09:26:41 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Arjan van de Ven <arjan@...radead.org>
cc:	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>, mingo@...e.hu
Subject: Re: TRACE_EVENT_ABI ?


[ Resending due to wrong SMTP server ]


On Mon, 21 Sep 2009, Arjan van de Ven wrote:

> Hi,
> 
> Ingo suggested to make a TRACE_EVENT_ABI, which is equivalent in
> implementation to TRACE_EVENT, except that it signals a stable
> interface.
> 
> In trying to implement this I'm running into a wall where TRACE_EVENT
> keeps being defined in many different ways all over the place, making
> this a really nasty hack to make it just an alias.
> 
> Do you have any clever ideas on how to make this an alias without
> fouling up the whole tracing system?
> 

I don't know what you've done so far, but can't you simply in
tracepoint.h define:

#define TRACE_EVENT_API(a,b,c,d,e) TRACE_EVENT(a,b,c,d,e)

And every time TRACE_EVENT_API is used, it will simply do whatever
TRACE_EVENT is at that time?

I've done similar tricks with other code.

-- Steve



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/