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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: lancetag@luminet.net, linux-m68k@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org
Subject: Re: eliminate -pipe from kernel compile
Date: Mon, 11 May 2009 08:02:16 +0200	[thread overview]
Message-ID: <10f740e80905102302gbed0737y61c31900564ca704@mail.gmail.com> (raw)
In-Reply-To: <20090511015831.GB15777@luminet.net>

Added linux-kbuild

On Mon, May 11, 2009 at 03:58, Lance Tagliapietra <lancetag@luminet.net> wrote:
> I was noticing that kernel compiling is set up to have gcc pipe data from one pass to another, instead of using
> temporary files.  On a memory constrained environment, this may not be the best idea (or at least I'd like to
> explore that idea).  Instead of loading the assember, and having immediately being swapped out while the cc1 pass
> runs, it may make more sense to have the temp files being written, instead of the swap in and out, when compiling
> the various objects of the kernel.
>
> So, simply pulling out the -pipe from the compiler flag list didn't see to have the desired effect.  I'm afraid I'm
> still missing something.  I'm still observing the assembler being loaded.
>
> Thoughts?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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WARNING: multiple messages have this Message-ID (diff)
From: Geert Uytterhoeven <geert@linux-m68k.org>
To: lancetag@luminet.net, linux-m68k@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org
Subject: Re: eliminate -pipe from kernel compile
Date: Mon, 11 May 2009 08:02:16 +0200	[thread overview]
Message-ID: <10f740e80905102302gbed0737y61c31900564ca704@mail.gmail.com> (raw)
In-Reply-To: <20090511015831.GB15777@luminet.net>

Added linux-kbuild

On Mon, May 11, 2009 at 03:58, Lance Tagliapietra <lancetag@luminet.net> wrote:
> I was noticing that kernel compiling is set up to have gcc pipe data from one pass to another, instead of using
> temporary files.  On a memory constrained environment, this may not be the best idea (or at least I'd like to
> explore that idea).  Instead of loading the assember, and having immediately being swapped out while the cc1 pass
> runs, it may make more sense to have the temp files being written, instead of the swap in and out, when compiling
> the various objects of the kernel.
>
> So, simply pulling out the -pipe from the compiler flag list didn't see to have the desired effect.  I'm afraid I'm
> still missing something.  I'm still observing the assembler being loaded.
>
> Thoughts?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

  reply	other threads:[~2009-05-11  6:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-11  1:58 eliminate -pipe from kernel compile Lance Tagliapietra
2009-05-11  6:02 ` Geert Uytterhoeven [this message]
2009-05-11  6:02   ` Geert Uytterhoeven
2009-05-13  0:38   ` Sam Ravnborg
2009-05-13  0:38     ` Sam Ravnborg
2009-05-14  3:12     ` Lance Tagliapietra

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