From: "H. Peter Anvin" <hpa@zytor.com>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] Splitting out kernel<=>userspace ABI headers
Date: Fri, 02 Sep 2005 16:24:22 -0700 [thread overview]
Message-ID: <4318DF26.5060707@zytor.com> (raw)
In-Reply-To: <9F74838E-651D-4952-BD7C-63B09D76F743@mac.com>
Kyle Moffett wrote:
>
> My far-into-the-future ideal for this is to have a generic vDSO-type
> library that is compiled into the kernel that provides a collection of
> architecture-optimized routines available in both kernelspace and
> userspace by mapping it into each process' address space. Such a
> library could effectively automatically provide correct and optimized
> assembly routines for the currently booted CPU/arch/subarch/etc, so
> that userspace tools could be compiled once and run on an entire
> family of CPUs without modification. On the other hand, for those
> applications that need every last ounce of speed (Including parts of
> the kernel), you could pass appropriate options to the compiler to
> tell it to inline the assembly routines (alternative) for a single
> CPU make/model.
>
I don't see why this should be compiled into the kernel.
-hpa
next prev parent reply other threads:[~2005-09-02 23:24 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-02 3:00 [RFC] Splitting out kernel<=>userspace ABI headers Kyle Moffett
2005-09-02 13:41 ` Erik Andersen
2005-09-02 20:51 ` Kyle Moffett
2005-09-02 23:58 ` Erik Andersen
2005-09-03 0:07 ` H. Peter Anvin
2005-09-03 0:30 ` Kyle Moffett
2005-09-03 0:34 ` H. Peter Anvin
2005-09-03 0:50 ` Kyle Moffett
2005-09-03 4:28 ` Erik Andersen
2005-09-03 5:22 ` H. Peter Anvin
2005-09-03 5:50 ` Erik Andersen
2005-09-03 5:53 ` H. Peter Anvin
2005-09-03 6:41 ` Erik Andersen
2005-09-03 15:01 ` H. Peter Anvin
2005-09-03 15:19 ` H. Peter Anvin
2005-09-03 16:55 ` Kyle Moffett
2005-09-05 16:35 ` H. Peter Anvin
2005-09-05 23:28 ` Kyle Moffett
2005-09-06 1:29 ` [RFC][MEGAPATCH] Change __ASSEMBLY__ to __ASSEMBLER__ (defined by GCC from 2.95 to current CVS) Kyle Moffett
2005-09-10 8:40 ` Kyle Moffett
2005-09-10 8:45 ` Andrew Morton
2005-09-10 17:38 ` Kyle Moffett
2005-09-10 22:04 ` Andrew Morton
2005-09-11 0:33 ` Kyle Moffett
2005-09-11 0:48 ` Andrew Morton
2005-09-11 3:15 ` Kyle Moffett
2005-09-12 8:09 ` Paul Jackson
2005-09-12 15:19 ` H. Peter Anvin
2005-09-12 15:47 ` Paul Jackson
2005-09-12 17:17 ` Sam Ravnborg
2005-09-12 21:14 ` Paul Jackson
2005-09-12 21:39 ` Kyle Moffett
2005-09-12 17:18 ` H. Peter Anvin
2005-09-12 17:51 ` Kyle Moffett
2005-09-12 21:04 ` Paul Jackson
2005-09-14 13:56 ` Bill Davidsen
2005-09-15 21:53 ` Jeremy Fitzhardinge
2005-09-03 5:55 ` [RFC] Splitting out kernel<=>userspace ABI headers Kyle Moffett
2005-09-03 5:57 ` H. Peter Anvin
2005-09-03 6:05 ` Kyle Moffett
2005-09-03 15:36 ` Denis Vlasenko
2005-09-03 16:33 ` Kyle Moffett
2005-09-03 16:51 ` Denis Vlasenko
2005-09-14 13:46 ` Bill Davidsen
2005-09-14 17:01 ` Sam Ravnborg
2005-09-14 17:01 ` H. Peter Anvin
2005-09-14 18:14 ` Kyle Moffett
2005-09-14 19:09 ` linux-os (Dick Johnson)
2005-09-14 19:20 ` H. Peter Anvin
2005-09-14 19:46 ` Kyle Moffett
2005-09-02 21:42 ` Jeff Dike
2005-09-02 21:55 ` H. Peter Anvin
2005-09-02 22:44 ` Kyle Moffett
2005-09-02 23:24 ` H. Peter Anvin [this message]
2005-09-02 23:41 ` Kyle Moffett
2005-09-02 23:53 ` H. Peter Anvin
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