From: Ingo Molnar <mingo@elte.hu>
To: Jaswinder Singh Rajput <jaswinderlinux@gmail.com>
Cc: Valdis.Kletnieks@vt.edu, Bryan Donlan <bdonlan@gmail.com>,
Ingo Brueckl <ib@wupperonline.de>,
linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: x86 (Linux Tiny): configure out support for some processors
Date: Fri, 2 Jan 2009 17:21:20 +0100 [thread overview]
Message-ID: <20090102162120.GG1180@elte.hu> (raw)
In-Reply-To: <3f9a31f40901020813t136ad2ceif1092f312866a0ce@mail.gmail.com>
* Jaswinder Singh Rajput <jaswinderlinux@gmail.com> wrote:
> On Fri, Jan 2, 2009 at 9:09 PM, <Valdis.Kletnieks@vt.edu> wrote:
> > On Fri, 02 Jan 2009 20:40:16 +0530, Jaswinder Singh Rajput said:
> >
> >> If I know what is my CPU there is no point for supporting all related
> >> CPUs in my kernel.
> >
> > EMBEDDED is for a large assortment of things, all of which are of the form:
> >
> > General users won't want to change Y, but if I know I don't need Y, there is
> > no point in supporting Y in the kernel.
> >
>
> On 64 bit AMD machine I was getting :
> [ 0.000000] KERNEL supported cpus:
> [ 0.000000] Intel GenuineIntel
> [ 0.000000] AMD AuthenticAMD
> [ 0.000000] Centaur CentaurHauls
>
> By using the following patch I get rid of extra CPU support and also
> reduces size of the kernel.
So you want to save kernel size by making less generic kernels tailored to
a single box [yours in this case] - basically embedding the kernel on it?
> Let me know why should I choose EMBEDDED option ? I know I am not using
> Embbeded machine and I do not need embbeded features on my machine.
> [...]
that is what CONFIG_EMBEDDED=y means in broad terms: "make the kernel more
specific [more embedded] to a particular hw/sw combination".
Ingo
next prev parent reply other threads:[~2009-01-02 16:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-01 20:37 x86 (Linux Tiny): configure out support for some processors Ingo Brueckl
2009-01-02 5:19 ` Bryan Donlan
2009-01-02 5:59 ` Jaswinder Singh Rajput
2009-01-02 9:38 ` Ingo Molnar
2009-01-02 15:10 ` Jaswinder Singh Rajput
2009-01-02 15:39 ` Valdis.Kletnieks
2009-01-02 16:13 ` Jaswinder Singh Rajput
2009-01-02 16:20 ` Valdis.Kletnieks
2009-01-02 16:23 ` Ingo Molnar
2009-01-02 16:21 ` Ingo Molnar [this message]
2009-01-02 16:38 ` Jaswinder Singh Rajput
2009-01-02 17:34 ` Ingo Molnar
2009-01-02 18:13 ` Replace CONFIG_EMBEDDED [Was: x86 (Linux Tiny): configure out support for some processor] Sam Ravnborg
2009-01-02 19:02 ` Bill Davidsen
2009-01-02 19:31 ` Sam Ravnborg
2009-01-02 16:51 ` x86 (Linux Tiny): configure out support for some processors david
2009-01-02 16:26 ` Valdis.Kletnieks
2009-01-02 18:54 ` david
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