linux-kernel - Re: Linux 3.3-rc4

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Date:	Mon, 20 Feb 2012 21:21:06 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ian Kent <raven@...maw.net>
Cc:	David Miller <davem@...emloft.net>, thomas@...3r.de,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: Linux 3.3-rc4

On Mon, Feb 20, 2012 at 9:06 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> So it really is limited to only x86.

Oh, and if people really are using "uname()" to figure out that they
are running a 64-bit kernel, then we should probably make uname() use
"is_compat_task()" instead of checking the PER_LINUX32 personality.

So we already do have support for returning a different machine-name
to 32-bit binaries, but it uses the "personality" thing that nobody
cares about, rather than the compat layer. Looks like purely
historical reasons.

               Linus
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