linux-kernel - Re: [PATCH] blackfin: Cleanup linker script using new linker script macros.

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Message-ID: <8bd0f97a0909220830w7435ee32h3ec8f667e2b46d79@mail.gmail.com>
Date:	Tue, 22 Sep 2009 11:30:31 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	Tim Abbott <tabbott@...lice.com>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Bryan Wu <cooloney@...nel.org>,
	uclinux-dist-devel@...ckfin.uclinux.org
Subject: Re: [PATCH] blackfin: Cleanup linker script using new linker script 
	macros.

On Tue, Sep 22, 2009 at 11:29, Tim Abbott wrote:
> On Wed, 16 Sep 2009, Mike Frysinger wrote:
>> On Wed, Sep 16, 2009 at 16:26, Sam Ravnborg wrote:
>> > On Wed, Sep 16, 2009 at 11:58:01AM -0400, Tim Abbott wrote:
>> >> OK.  I guess we should plan to modify the INIT_DATA_SECTION macro to add
>> >> another argument specifying an alignment level for .init.ramfs.  It'd be
>> >> inconvenient to add that right now since there are a lot of patches in
>> >> linux-next or otherwise in flight that introduce uses of
>> >> INIT_DATA_SECTION, and those patches would all be broken by changing this
>> >> now.  Once the dust settles on that for this release, I'll submit a patch
>> >> adding said argument to INIT_DATA_SECTION.
>> >
>> > But this is all discarded during runtime so the added alignment has no cost in the end - no?
>>
>> once things are booted, there should be no difference.  but
>> storage/boot costs increase (you have to store/extract/copy that extra
>> data).  you know how miserly we embedded people like to be ;).
>
> OK, so how do you want to do this?  The options I see are:
> (1) we merge this patch now, and add the new alignment argument for -rc2
> (2) we add the alignment argument sometime after -rc1 and then merge this
> for -rc2

doing it in two steps is OK by me and sounds like it'd be easier for you
-mike
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