linux-kernel - Re: [PATCH 47/56] kenel/trace: support compiling out splice

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Message-ID: <20141117153315.3ce0439b@gandalf.local.home>
Date:	Mon, 17 Nov 2014 15:33:15 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Pieter Smith <pieter@...sman.nl>
Cc:	Josh Triplett <josh@...htriplett.org>,
	Ingo Molnar <mingo@...hat.com>,
	linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH 47/56] kenel/trace: support compiling out splice

On Thu, 13 Nov 2014 22:23:24 +0100
Pieter Smith <pieter@...sman.nl> wrote:

> Compile out splice support from trace when the splice-family of syscalls is not
> supported by the system (i.e. CONFIG_SYSCALL_SPLICE is undefined).

The tracing code is a hell of a lot bigger than the splice code. If you
are doing this to save space, then simply make the tracing code select
SYSCALL_SPLICE, and leave the rest of the #ifdef out.

Thanks,

-- Steve

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