From: "H. Peter Anvin" <hpa@zytor.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Harvey Harrison <harvey.harrison@gmail.com>,
Olaf Hering <olaf@aepfle.de>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: asm-x86/byteorder.h, CONFIG_X86_BSWAP leaks to userland
Date: Sat, 26 Jul 2008 14:18:07 -0400 [thread overview]
Message-ID: <488B6A5F.8000706@zytor.com> (raw)
In-Reply-To: <20080726095901.4a06daf9@infradead.org>
Arjan van de Ven wrote:
\>
> It is also not the kernels job to provide this sort of functionality to
> userspace programs. At all. This is gcc/glibc/etc's job.
>
> Rule of thumb: the kernel does not provide code for compiling inside
> userspace programs.
>
> (As opposed to providing datastructures that userspace programs can use
> to talk to the kernel).
>
That's a fine rule of thumb, but we have 17 years of legacy to deal with
here, too.
-hpa
next prev parent reply other threads:[~2008-07-26 18:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080726013931.bcc4682d.akpm@linux-foundation.org>
2008-07-26 16:40 ` Fw: asm-x86/byteorder.h, CONFIG_X86_BSWAP leaks to userland Harvey Harrison
2008-07-26 16:48 ` H. Peter Anvin
2008-07-26 16:59 ` Arjan van de Ven
2008-07-26 18:18 ` H. Peter Anvin [this message]
2008-07-26 17:00 ` Fw: " Harvey Harrison
2008-07-21 13:18 Olaf Hering
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