linux-kernel - Re: Linux 3.3-rc4

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Date:	Mon, 20 Feb 2012 20:17:32 -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
Subject: Re: Linux 3.3-rc4

On Mon, Feb 20, 2012 at 8:02 PM, Ian Kent <raven@...maw.net> wrote:
>
> It doesn't but changing it for exiting binaries will break existing
> binaries that use a workaround.

What existing binaries?

> I'm proposing this because the systemd folks were happy to do it this
> way. But if you would like any other existing user space users to change
> to using a correctly sized packet then, yes, it isn't what you want to
> happen.

Existing binaries *do* use the correct size packet - it's the correct
size for native x86-32!

It's our x86-64 compat layer that is wrong. It's a clear bug. Nothing else.

We don't start making up new interfaces because we have clear bugs: we
fix the damn bugs.

How could you even sanely do "workarounds"? A x86-32 binary shouldn't
even be able to *tell* that the kernel is 64-bit. And if it does that
somehow, we should fix that too!

                       Linus
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