linux-kernel - Re: [PATCH] tracing: properly align linker defined symbols

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Message-ID: <1278761646.1537.182.camel@gandalf.stny.rr.com>
Date:	Sat, 10 Jul 2010 07:34:05 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Zeev Tarantov <zeev.tarantov@...il.com>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH] tracing: properly align linker defined symbols

On Sat, 2010-07-10 at 13:18 +0300, Zeev Tarantov wrote:
> On Sat, Jul 10, 2010 at 09:35, Sam Ravnborg <sam@...nborg.org> wrote:

> > +/*
> > + * Align to a 32 byte boundary equal to the
> > + * alignment gcc 4.5 uses for a struct
> > + */
> > +#define STRUCT_ALIGN() . = ALIGN(32)
> > +

What I'm nervous about is when gcc 4.8 decides to up the alignment to
64.

Maybe we should have both patches, just to be safe.

-- Steve


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