* CONFIG_64_BIT
@ 2003-09-02 14:34 Matthew Wilcox
2003-09-02 17:52 ` CONFIG_64_BIT Jeff Garzik
0 siblings, 1 reply; 9+ messages in thread
From: Matthew Wilcox @ 2003-09-02 14:34 UTC (permalink / raw)
To: linux-kernel
What do people think of CONFIG_64_BIT? It saves us from using
!(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
the X86_64 people deciding their architecture is more important.
I also considered CONFIG_ILP32 vs CONFIG_LP64 (since that's the real
problem with, eg, megaraid), but that requires more explanation and
offers people several ways to get it wrong (should I depend on ILP32
or !LP64?)
Index: arch/alpha/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/alpha/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- arch/alpha/Kconfig 23 Aug 2003 02:46:12 -0000 1.3
+++ arch/alpha/Kconfig 2 Sep 2003 14:24:46 -0000
@@ -11,6 +11,9 @@ config ALPHA
now Hewlett-Packard. The Alpha Linux project has a home page at
<http://www.alphalinux.org/>.
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/ia64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/ia64/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/ia64/Kconfig 12 Aug 2003 19:10:49 -0000 1.2
+++ arch/ia64/Kconfig 2 Sep 2003 14:24:46 -0000
@@ -18,6 +18,9 @@ config IA64
page at <http://www.linuxia64.org/> and a mailing list at
linux-ia64@linuxia64.org.
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/mips/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/mips/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/mips/Kconfig 12 Aug 2003 19:10:50 -0000 1.2
+++ arch/mips/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -11,6 +11,9 @@ config MIPS64
64-bit processing, otherwise say N. You must say Y for kernels for
SGI IP27 (Origin 200 and 2000). If in doubt say N.
+config 64_BIT
+ def_bool MIPS64
+
config MIPS32
bool
depends on MIPS64 = 'n'
Index: arch/parisc/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/parisc/Kconfig,v
retrieving revision 1.6
diff -u -p -r1.6 Kconfig
--- arch/parisc/Kconfig 23 Aug 2003 02:56:56 -0000 1.6
+++ arch/parisc/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -103,6 +103,9 @@ config PARISC64
enable this option otherwise. The 64bit kernel is significantly bigger
and slower than the 32bit one.
+config 64_BIT
+ def_bool PARISC64
+
config PDC_NARROW
bool "32-bit firmware"
depends on PARISC64
Index: arch/ppc64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/ppc64/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- arch/ppc64/Kconfig 23 Aug 2003 02:46:30 -0000 1.3
+++ arch/ppc64/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -3,6 +3,9 @@
# see Documentation/kbuild/kconfig-language.txt.
#
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/s390/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/s390/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/s390/Kconfig 12 Aug 2003 19:10:57 -0000 1.2
+++ arch/s390/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -40,6 +40,9 @@ config ARCH_S390X
Select this option if you have a 64 bit IBM zSeries machine
and want to use the 64 bit addressing mode.
+config 64_BIT
+ def_bool ARCH_S390X
+
config ARCH_S390_31
bool
depends on ARCH_S390X = 'n'
Index: arch/sparc64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/sparc64/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- arch/sparc64/Kconfig 12 Aug 2003 19:10:57 -0000 1.3
+++ arch/sparc64/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -5,6 +5,9 @@
mainmenu "Linux/UltraSPARC Kernel Configuration"
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/x86_64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/x86_64/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/x86_64/Kconfig 12 Aug 2003 19:10:59 -0000 1.2
+++ arch/x86_64/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -16,6 +16,9 @@ config X86_64
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
+config 64_BIT
+ def_bool y
+
config X86
bool
default y
Index: drivers/scsi/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/drivers/scsi/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- drivers/scsi/Kconfig 25 Aug 2003 19:49:06 -0000 1.3
+++ drivers/scsi/Kconfig 2 Sep 2003 14:24:48 -0000
@@ -355,7 +355,7 @@ source "drivers/scsi/aic7xxx/Kconfig.aic
# All the I2O code and drivers do not seem to be 64bit safe.
config SCSI_DPT_I2O
tristate "Adaptec I2O RAID support "
- depends on !X86_64 && SCSI
+ depends on !64_BIT && SCSI
help
This driver supports all of Adaptec's I2O based RAID controllers as
well as the DPT SmartRaid V cards. This is an Adaptec maintained
@@ -416,7 +416,7 @@ config SCSI_AM53C974
config SCSI_MEGARAID
tristate "AMI MegaRAID support"
- depends on PCI && SCSI
+ depends on PCI && SCSI && !64_BIT
help
This driver supports the AMI MegaRAID 418, 428, 438, 466, 762, 490
and 467 SCSI host adapters.
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
What do people think of CONFIG_64_BIT? It saves us from using
!(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
the X86_64 people deciding their architecture is more important.
I also considered CONFIG_ILP32 vs CONFIG_LP64 (since that's the real
problem with, eg, megaraid), but that requires more explanation and
offers people several ways to get it wrong (should I depend on ILP32
or !LP64?)
Index: arch/alpha/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/alpha/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- arch/alpha/Kconfig 23 Aug 2003 02:46:12 -0000 1.3
+++ arch/alpha/Kconfig 2 Sep 2003 14:24:46 -0000
@@ -11,6 +11,9 @@ config ALPHA
now Hewlett-Packard. The Alpha Linux project has a home page at
<http://www.alphalinux.org/>.
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/ia64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/ia64/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/ia64/Kconfig 12 Aug 2003 19:10:49 -0000 1.2
+++ arch/ia64/Kconfig 2 Sep 2003 14:24:46 -0000
@@ -18,6 +18,9 @@ config IA64
page at <http://www.linuxia64.org/> and a mailing list at
linux-ia64@linuxia64.org.
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/mips/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/mips/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/mips/Kconfig 12 Aug 2003 19:10:50 -0000 1.2
+++ arch/mips/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -11,6 +11,9 @@ config MIPS64
64-bit processing, otherwise say N. You must say Y for kernels for
SGI IP27 (Origin 200 and 2000). If in doubt say N.
+config 64_BIT
+ def_bool MIPS64
+
config MIPS32
bool
depends on MIPS64 = 'n'
Index: arch/parisc/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/parisc/Kconfig,v
retrieving revision 1.6
diff -u -p -r1.6 Kconfig
--- arch/parisc/Kconfig 23 Aug 2003 02:56:56 -0000 1.6
+++ arch/parisc/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -103,6 +103,9 @@ config PARISC64
enable this option otherwise. The 64bit kernel is significantly bigger
and slower than the 32bit one.
+config 64_BIT
+ def_bool PARISC64
+
config PDC_NARROW
bool "32-bit firmware"
depends on PARISC64
Index: arch/ppc64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/ppc64/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- arch/ppc64/Kconfig 23 Aug 2003 02:46:30 -0000 1.3
+++ arch/ppc64/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -3,6 +3,9 @@
# see Documentation/kbuild/kconfig-language.txt.
#
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/s390/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/s390/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/s390/Kconfig 12 Aug 2003 19:10:57 -0000 1.2
+++ arch/s390/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -40,6 +40,9 @@ config ARCH_S390X
Select this option if you have a 64 bit IBM zSeries machine
and want to use the 64 bit addressing mode.
+config 64_BIT
+ def_bool ARCH_S390X
+
config ARCH_S390_31
bool
depends on ARCH_S390X = 'n'
Index: arch/sparc64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/sparc64/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- arch/sparc64/Kconfig 12 Aug 2003 19:10:57 -0000 1.3
+++ arch/sparc64/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -5,6 +5,9 @@
mainmenu "Linux/UltraSPARC Kernel Configuration"
+config 64_BIT
+ def_bool y
+
config MMU
bool
default y
Index: arch/x86_64/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/arch/x86_64/Kconfig,v
retrieving revision 1.2
diff -u -p -r1.2 Kconfig
--- arch/x86_64/Kconfig 12 Aug 2003 19:10:59 -0000 1.2
+++ arch/x86_64/Kconfig 2 Sep 2003 14:24:47 -0000
@@ -16,6 +16,9 @@ config X86_64
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
+config 64_BIT
+ def_bool y
+
config X86
bool
default y
Index: drivers/scsi/Kconfig
===================================================================
RCS file: /var/cvs/linux-2.6/drivers/scsi/Kconfig,v
retrieving revision 1.3
diff -u -p -r1.3 Kconfig
--- drivers/scsi/Kconfig 25 Aug 2003 19:49:06 -0000 1.3
+++ drivers/scsi/Kconfig 2 Sep 2003 14:24:48 -0000
@@ -355,7 +355,7 @@ source "drivers/scsi/aic7xxx/Kconfig.aic
# All the I2O code and drivers do not seem to be 64bit safe.
config SCSI_DPT_I2O
tristate "Adaptec I2O RAID support "
- depends on !X86_64 && SCSI
+ depends on !64_BIT && SCSI
help
This driver supports all of Adaptec's I2O based RAID controllers as
well as the DPT SmartRaid V cards. This is an Adaptec maintained
@@ -416,7 +416,7 @@ config SCSI_AM53C974
config SCSI_MEGARAID
tristate "AMI MegaRAID support"
- depends on PCI && SCSI
+ depends on PCI && SCSI && !64_BIT
help
This driver supports the AMI MegaRAID 418, 428, 438, 466, 762, 490
and 467 SCSI host adapters.
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: CONFIG_64_BIT
2003-09-02 14:34 CONFIG_64_BIT Matthew Wilcox
@ 2003-09-02 17:52 ` Jeff Garzik
2003-09-03 8:39 ` CONFIG_64_BIT Geert Uytterhoeven
0 siblings, 1 reply; 9+ messages in thread
From: Jeff Garzik @ 2003-09-02 17:52 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: linux-kernel
Matthew Wilcox wrote:
> What do people think of CONFIG_64_BIT? It saves us from using
Yes! Please!
Though I would of course make it CONFIG_64BIT ;-)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Matthew Wilcox wrote:
> What do people think of CONFIG_64_BIT? It saves us from using
Yes! Please!
Though I would of course make it CONFIG_64BIT ;-)
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: CONFIG_64_BIT
2003-09-02 17:52 ` CONFIG_64_BIT Jeff Garzik
@ 2003-09-03 8:39 ` Geert Uytterhoeven
2003-09-03 10:10 ` CONFIG_64_BIT Andreas Schwab
0 siblings, 1 reply; 9+ messages in thread
From: Geert Uytterhoeven @ 2003-09-03 8:39 UTC (permalink / raw)
To: Jeff Garzik; +Cc: Matthew Wilcox, Linux Kernel Development
On Tue, 2 Sep 2003, Jeff Garzik wrote:
> Matthew Wilcox wrote:
> > What do people think of CONFIG_64_BIT? It saves us from using
>
> Yes! Please!
>
> Though I would of course make it CONFIG_64BIT ;-)
Or CONFIG_LINUX64? :-)
> Matthew Wilcox wrote:
> > What do people think of CONFIG_64_BIT? It saves us from using
Why do some many mails from lkml have duplicated contents?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 9+ messages in thread
[parent not found: <20030902143424.GO13467@parcelfarce.linux.theplanet.co.uk.suse.lists.linux.kernel>]
* Re: CONFIG_64_BIT
[not found] <20030902143424.GO13467@parcelfarce.linux.theplanet.co.uk.suse.lists.linux.kernel>
@ 2003-09-02 17:35 ` Andi Kleen
2003-09-02 17:44 ` CONFIG_64_BIT Matthew Wilcox
0 siblings, 1 reply; 9+ messages in thread
From: Andi Kleen @ 2003-09-02 17:35 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: linux-kernel
Matthew Wilcox <willy@debian.org> writes:
> What do people think of CONFIG_64_BIT? It saves us from using
> !(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
> the X86_64 people deciding their architecture is more important.
>
> I also considered CONFIG_ILP32 vs CONFIG_LP64 (since that's the real
> problem with, eg, megaraid), but that requires more explanation and
> offers people several ways to get it wrong (should I depend on ILP32
> or !LP64?)
At least for code BITS_PER_LONG == 64 is already good enough.
For Kconfigs it may make sense, but is there any Config rule that
checks for all 64bit archs (opposed to checking for specific archs)?
I cannot thinkg of any.
-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Matthew Wilcox <willy@debian.org> writes:
> What do people think of CONFIG_64_BIT? It saves us from using
> !(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
> the X86_64 people deciding their architecture is more important.
>
> I also considered CONFIG_ILP32 vs CONFIG_LP64 (since that's the real
> problem with, eg, megaraid), but that requires more explanation and
> offers people several ways to get it wrong (should I depend on ILP32
> or !LP64?)
At least for code BITS_PER_LONG == 64 is already good enough.
For Kconfigs it may make sense, but is there any Config rule that
checks for all 64bit archs (opposed to checking for specific archs)?
I cannot thinkg of any.
-Andi
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: CONFIG_64_BIT
2003-09-02 17:35 ` CONFIG_64_BIT Andi Kleen
@ 2003-09-02 17:44 ` Matthew Wilcox
2003-09-02 17:52 ` CONFIG_64_BIT Andi Kleen
0 siblings, 1 reply; 9+ messages in thread
From: Matthew Wilcox @ 2003-09-02 17:44 UTC (permalink / raw)
To: Andi Kleen; +Cc: Matthew Wilcox, linux-kernel
On Tue, Sep 02, 2003 at 07:35:11PM +0200, Andi Kleen wrote:
> Matthew Wilcox <willy@debian.org> writes:
>
> > What do people think of CONFIG_64_BIT? It saves us from using
> > !(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
>
> For Kconfigs it may make sense, but is there any Config rule that
> checks for all 64bit archs (opposed to checking for specific archs)?
> I cannot thinkg of any.
... that was what the patch added.
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
On Tue, Sep 02, 2003 at 07:35:11PM +0200, Andi Kleen wrote:
> Matthew Wilcox <willy@debian.org> writes:
>
> > What do people think of CONFIG_64_BIT? It saves us from using
> > !(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
>
> For Kconfigs it may make sense, but is there any Config rule that
> checks for all 64bit archs (opposed to checking for specific archs)?
> I cannot thinkg of any.
... that was what the patch added.
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: CONFIG_64_BIT
2003-09-02 17:44 ` CONFIG_64_BIT Matthew Wilcox
@ 2003-09-02 17:52 ` Andi Kleen
2003-09-03 13:37 ` CONFIG_64_BIT Alan Cox
0 siblings, 1 reply; 9+ messages in thread
From: Andi Kleen @ 2003-09-02 17:52 UTC (permalink / raw)
To: Matthew Wilcox; +Cc: willy, linux-kernel
On Tue, 2 Sep 2003 18:44:36 +0100
Matthew Wilcox <willy@debian.org> wrote:
> On Tue, Sep 02, 2003 at 07:35:11PM +0200, Andi Kleen wrote:
> > Matthew Wilcox <willy@debian.org> writes:
> >
> > > What do people think of CONFIG_64_BIT? It saves us from using
> > > !(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
> >
> > For Kconfigs it may make sense, but is there any Config rule that
> > checks for all 64bit archs (opposed to checking for specific archs)?
> > I cannot thinkg of any.
>
> ... that was what the patch added.
It added a symbol that means that, but are there any users for it?
Ok, I2O and ATM and WANPIPE maybe but I assume that both are getting fixed
Still all those are non 64bit safe, so it may be better to have an
CONFIG_32BIT_ONLY or similar.
-Andi
-
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Please read the FAQ at http://www.tux.org/lkml/
On Tue, 2 Sep 2003 18:44:36 +0100
Matthew Wilcox <willy@debian.org> wrote:
> On Tue, Sep 02, 2003 at 07:35:11PM +0200, Andi Kleen wrote:
> > Matthew Wilcox <willy@debian.org> writes:
> >
> > > What do people think of CONFIG_64_BIT? It saves us from using
> > > !(IA64 || MIPS64 || PARISC64 || S390X || SPARC64 || X86_64) or
> >
> > For Kconfigs it may make sense, but is there any Config rule that
> > checks for all 64bit archs (opposed to checking for specific archs)?
> > I cannot thinkg of any.
>
> ... that was what the patch added.
It added a symbol that means that, but are there any users for it?
Ok, I2O and ATM and WANPIPE maybe but I assume that both are getting fixed
Still all those are non 64bit safe, so it may be better to have an
CONFIG_32BIT_ONLY or similar.
-Andi
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2003-09-03 13:40 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2003-09-02 14:34 CONFIG_64_BIT Matthew Wilcox
2003-09-02 17:52 ` CONFIG_64_BIT Jeff Garzik
2003-09-03 8:39 ` CONFIG_64_BIT Geert Uytterhoeven
2003-09-03 10:10 ` CONFIG_64_BIT Andreas Schwab
2003-09-03 10:44 ` CONFIG_64_BIT Wade
[not found] <20030902143424.GO13467@parcelfarce.linux.theplanet.co.uk.suse.lists.linux.kernel>
2003-09-02 17:35 ` CONFIG_64_BIT Andi Kleen
2003-09-02 17:44 ` CONFIG_64_BIT Matthew Wilcox
2003-09-02 17:52 ` CONFIG_64_BIT Andi Kleen
2003-09-03 13:37 ` CONFIG_64_BIT Alan Cox
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