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[PATCH] x86: Use CONFIG_64BIT to select between 32 and 64 bit in Kconfig

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From: Sam Ravnborg <sam@...>
To: LKML <linux-kernel@...>
Cc: Sam Ravnborg <sam@...>
Subject: [PATCH] x86: Use CONFIG_64BIT to select between 32 and 64 bit in Kconfig
Date: Saturday, November 10, 2007 - 4:43 pm

This change allow us to use the new syntax:
make K64BIT={n,y} to select between 32 and 64 bit.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
 arch/x86/Kconfig |   26 ++++++++------------------
 1 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 153c26c..0d86611 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1,34 +1,24 @@
 # x86 configuration
 
 # Select 32 or 64 bit
-choice
-	bool "Select 32 or 64 bit"
-	default X86_32
+config 64BIT
+	bool "64 Bit kernel"
+	default n
+	help
+	  Say yes to build a 64 bit kernel - formerly known as x86_64
+	  Say no to build a 32 bit kernel - formerly known as i386
 
 config X86_32
-	bool "32 bit (former ARCH=i386)"
-	help
-	  This is Linux's home port.  Linux was originally native to the Intel
-	  386, and runs on all the later x86 processors including the Intel
-	  486, 586, Pentiums, and various instruction-set-compatible chips by
-	  AMD, Cyrix, and others.
+	def_bool !64BIT
 
 config X86_64
-	bool "64 bit (former ARCH=x86_64)"
-	help
-	  Port to the x86-64 architecture. x86-64 is a 64-bit extension to the
-	  classical 32-bit x86 architecture. For details see
-	  <http://www.x86-64.org/>.
-endchoice
+	def_bool 64BIT
 
 ### Arch settings
 config X86
 	bool
 	default y
 
-config 64BIT
-	def_bool X86_64
-
 config GENERIC_TIME
 	bool
 	default y
-- 
1.5.3.4.1157.g0e74-dirty

-
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Messages in current thread:
[PATCH 0/5] introduce K64BIT=y and backward compatibility AR..., Sam Ravnborg, (Sat Nov 10, 4:40 pm)
Re: [PATCH 0/5] introduce K64BIT=y and backward compatibilit..., Roman Zippel, (Sun Nov 11, 10:47 pm)
Re: [PATCH 0/5] introduce K64BIT=y and backward compatibilit..., Sam Ravnborg, (Mon Nov 12, 1:23 am)
Re: [PATCH 0/5] introduce K64BIT=y and backward compatibilit..., Adrian Bunk, (Sun Nov 11, 1:09 am)
Re: [PATCH 0/5] introduce K64BIT=y and backward compatibilit..., Sam Ravnborg, (Sun Nov 11, 7:54 am)
Re: [PATCH 0/5] introduce K64BIT=y and backward compatibilit..., Randy Dunlap, (Sat Nov 10, 6:33 pm)
Re: [PATCH 0/5] introduce K64BIT=y and backward compatibilit..., Sam Ravnborg, (Sat Nov 10, 6:50 pm)
[PATCH] kconfig: factor out code in confdata.c, Sam Ravnborg, (Sat Nov 10, 4:43 pm)
[PATCH] kconfig: use $K64BIT to set 64BIT with all*config ta..., Sam Ravnborg, (Sat Nov 10, 4:43 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Wed Nov 14, 4:57 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Wed Nov 14, 6:08 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Thu Nov 15, 11:43 am)
kconfig: support option env="" [Was: kconfig: use $K64BIT to..., Sam Ravnborg, (Sun Jan 6, 9:26 am)
[PATCH 3/3] use environment option, Roman Zippel, (Sun Jan 13, 11:51 pm)
[PATCH 2/3] environment symbol support, Roman Zippel, (Sun Jan 13, 11:50 pm)
[PATCH 1/3] explicitly introduce expression list, Roman Zippel, (Sun Jan 13, 11:50 pm)
Re: kconfig: support option env="" [Was: kconfig: use $K64BI..., Roman Zippel, (Sun Jan 13, 11:49 pm)
Re: kconfig: support option env="" [Was: kconfig: use $K64BI..., Sam Ravnborg, (Mon Jan 14, 1:58 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Thu Nov 15, 3:25 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Thu Nov 15, 3:43 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Thu Nov 15, 4:45 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Thu Nov 15, 5:24 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Thu Nov 15, 6:06 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Thu Nov 15, 9:28 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Fri Nov 16, 1:41 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Fri Nov 16, 8:54 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Randy Dunlap, (Thu Nov 15, 11:44 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Roman Zippel, (Fri Nov 16, 9:02 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Randy Dunlap, (Sat Nov 10, 6:16 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Sat Nov 10, 6:31 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Guillaume Chazarain, (Sat Nov 10, 4:55 pm)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Adrian Bunk, (Sun Nov 11, 1:14 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Guillaume Chazarain, (Sun Nov 11, 8:43 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Adrian Bunk, (Sun Nov 11, 9:07 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Guillaume Chazarain, (Sun Nov 11, 10:59 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Sam Ravnborg, (Sun Nov 11, 11:30 am)
Re: [PATCH] kconfig: use $K64BIT to set 64BIT with all*confi..., Guillaume Chazarain, (Sun Nov 11, 11:55 am)
[PATCH] x86: Use CONFIG_64BIT to select between 32 and 64 bi..., Sam Ravnborg, (Sat Nov 10, 4:43 pm)
Re: [PATCH] x86: Use CONFIG_64BIT to select between 32 and 6..., Randy Dunlap, (Sat Nov 10, 6:18 pm)
[PATCH] kconfig: document make K64BIT=y in README, Sam Ravnborg, (Sat Nov 10, 4:43 pm)
Re: [PATCH] kconfig: document make K64BIT=y in README, Randy Dunlap, (Sat Nov 10, 6:23 pm)
[PATCH] x86: introduce ARCH=i386,ARCH=x86_64 to select 32/64..., Sam Ravnborg, (Sat Nov 10, 4:43 pm)