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From: Joe Perches <joe@perches.com>
To: Mathias Krause <minipli@googlemail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [RFC PATCH 0/3] Mark literal strings in __init / __exit code
Date: Tue, 24 Jun 2014 13:57:20 -0700	[thread overview]
Message-ID: <1403643440.29061.56.camel@joe-AO725> (raw)
In-Reply-To: <CA+rthh89rYOyUd58vJO_0Nu_j+zrAMwUYSitRbT=MVoz9pO5Lw@mail.gmail.com>

On Tue, 2014-06-24 at 22:41 +0200, Mathias Krause wrote:
> there is more to optimize
> if one is patient enough ;)

Ever thus.

> And all of those strings should be in the .rodata section, now. But
> why you're asking?

Because now they will be duplicated in .rodata
and the __init section no?

> Yes. My vanilla vmlinux build has quite a lot of copies of "off" in
> it. But I doubt any linker would merge those. Does LTO do so?

I would expect that duplicated strings in
separate sections would not be merged.



  reply	other threads:[~2014-06-24 20:57 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-22 22:46 [RFC PATCH 0/3] Mark literal strings in __init / __exit code Mathias Krause
2014-06-22 22:46 ` [RFC PATCH 1/3] init.h: Add __init_str / __exit_str macros Mathias Krause
2014-06-24 19:43   ` Joe Perches
2014-06-24 20:13     ` Mathias Krause
2014-06-22 22:46 ` [RFC PATCH 2/3] printk: Provide pi_<level> / pe_<level> macros for __init / __exit code Mathias Krause
2014-06-22 22:46 ` [RFC PATCH 3/3] x86, acpi: Mark __init strings as such Mathias Krause
2014-06-22 22:56 ` [RFC PATCH 0/3] Mark literal strings in __init / __exit code Joe Perches
2014-06-23  6:23   ` Mathias Krause
2014-06-23  6:33     ` Joe Perches
2014-06-24 14:31       ` Rasmus Villemoes
2014-06-24 19:13         ` Mathias Krause
2014-06-24 19:37           ` Joe Perches
2014-06-24 20:10             ` Mathias Krause
2014-06-24 20:30               ` Joe Perches
2014-06-24 20:41                 ` Mathias Krause
2014-06-24 20:57                   ` Joe Perches [this message]
2014-06-24 21:06                     ` Mathias Krause
2014-06-24 21:45                       ` Joe Perches
2014-06-25  5:55                         ` Mathias Krause
2014-06-25  7:35                           ` Rasmus Villemoes
2014-06-25  7:48                             ` Joe Perches
2014-06-25  8:34                               ` Mathias Krause
2014-06-25 11:22                                 ` Joe Perches
2014-06-25  8:17                             ` Mathias Krause
2014-06-23  1:30 ` Joe Perches
2014-06-23  6:29   ` Mathias Krause

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