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From: Adrian Bunk <bunk@fs.tum.de>
To: Nick Piggin <piggin@cyberone.com.au>
Cc: Matt Mackall <mpm@selenic.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: [0/4] better i386 CPU selection
Date: Sat, 10 Jan 2004 01:50:06 +0100	[thread overview]
Message-ID: <20040110005005.GC25089@fs.tum.de> (raw)
In-Reply-To: <20040110004625.GB25089@fs.tum.de>

The patches below are:

[1/4]
- changed the i386 CPU selection from a choice to single options for
  every cpu
- renamed the M* variables to CPU_*, this is needed to ask the users
  upgrading from older kernels instead of silently changing the
  semantics
- X86_GOOD_APIC -> X86_BAD_APIC
- AMD Elan is a different subarch, you can't configure a kernel that
  runs on both the AMD Elan and other i386 CPUs
- added optimizing CFLAGS for the AMD Elan
- gcc 2.95 supports -march=k6 (no need for check_gcc)
- help text changes/updates

[2/4]
move "struct movsl_mask movsl_mask" to usercopy.c 
(CONFIG_X86_INTEL_USERCOPY is used on non-Intel CPUs)

[3/4]
- made arch/i386/kernel/cpu/Makefile CPU specific

[4/4]
- made arch/i386/kernel/cpu/mtrr/Makefile CPU specific

Dependencies between these patches:
- patch 3 requires 1+2
- patch 4 requires 1

The main part is patch 1.

Patch 2 fixes a small issue that only shows up with patch 3.

Patches 3+4 are proof of concept patches for space optimizations by 
omitting unneeded code. They are "proof of concept" since the #ifdef's 
they introduce aren't 

TODO:
- change include/asm-i386/module.h to use some kind of bitmask

I've updated the patches for 2.6.1-rc3 and a kernel with these patches 
applied compiles and runs for me.

cu
Adrian
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  reply	other threads:[~2004-01-10  0:50 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-06  5:48 2.6.1-rc1-tiny2 Matt Mackall
2004-01-06  6:33 ` 2.6.1-rc1-tiny2 Nick Piggin
2004-01-06  6:46   ` 2.6.1-rc1-tiny2 Matt Mackall
2004-01-06  7:08     ` 2.6.1-rc1-tiny2 Nick Piggin
2004-01-10  0:46       ` 2.6.1-rc1-tiny2 Adrian Bunk
2004-01-10  0:50         ` Adrian Bunk [this message]
2004-01-10  0:52         ` [1/4] better i386 CPU selection Adrian Bunk
2004-01-10 11:04           ` Wichert Akkerman
2004-01-11  3:13             ` Adrian Bunk
2004-01-14 20:49               ` [-mm patch] " Adrian Bunk
2004-01-16 19:15           ` [1/4] " cliff white
2004-01-16 19:32             ` Richard B. Johnson
2004-01-17  0:01               ` Andrew Morton
2004-01-17  2:57                 ` Adrian Bunk
2004-01-19 15:14                   ` John Stoffel
2004-01-19 23:42                     ` Nick Piggin
2004-01-17  2:15               ` Adrian Bunk
2004-01-17  9:13                 ` Robert Schwebel
2004-01-20 22:10                   ` Adrian Bunk
2004-01-20 22:31                     ` Richard B. Johnson
2004-01-20 22:47                     ` George Anzinger
2004-01-17 10:01                 ` aeriksson
2004-01-10  0:57         ` [2/4] move "struct movsl_mask movsl_mask" to usercopy.c Adrian Bunk
2004-01-10  0:57         ` [3/4] proof of concept: make arch/i386/kernel/cpu/Makefile CPU specific Adrian Bunk
2004-01-10  0:58         ` [4/4] proof of concept: make arch/i386/kernel/cpu/mtrr/Makefile " Adrian Bunk
2004-01-10 22:14         ` 2.6.1-rc1-tiny2 Matt Mackall
2004-01-12  2:20           ` 2.6.1-rc1-tiny2 Nick Piggin
2004-01-07 14:06 ` 2.6.1-rc1-tiny2 Jens Axboe
2004-01-07 18:50   ` 2.6.1-rc1-tiny2 Matt Mackall
2004-01-07 19:27     ` 2.6.1-rc1-tiny2 Mitchell Blank Jr
2004-01-07 20:10       ` 2.6.1-rc1-tiny2 Matt Mackall
2004-01-07 21:41         ` 2.6.1-rc1-tiny2 Trond Myklebust
2004-01-07 21:10     ` 2.6.1-rc1-tiny2 Jens Axboe
2004-01-07 21:30       ` 2.6.1-rc1-tiny2 Matt Mackall

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