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Subject[PATCH] UML - part 1 of 2
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This patch (against 2.5.28) contains all of the changes to generic code 
needed by UML.

I removed the kernel_stat.h change since UML can live without disk statistics
for a bit.

I looked at the linkage.h change, but since that file is nothing but
architecture nastiness which I don't have any particular insight how to
clean up, I decided to leave the UML piece in.

CREDITS -
Changes my address and adds a UML credit for Lars Brinkoff.

MAINTAINERS -
Adds a UML entry.

Makefile -
When ARCH=um is on the command line to do a UML build, the old value
of ARCH is saved in $(SUBARCH) for the later use of the UML build.

drivers/char/Makefile -
Sets KEYMAP, KEYBD, CONSOLE empty to prevent hardware drivers from
being compiled in.

drivers/net/setup.c -
Backs out a UML hook which leaked into your tree which UML no
longer uses.

include/linux/linkage.h -
UML needs FASTCALL defined as regparm(3), too.

init/do_mounts.c -
Adds a set of entries to dev_name_struct for the UML block device.

Jeff

diff -Naur orig/CREDITS linus/CREDITS
--- orig/CREDITS Tue Jul 16 23:55:49 2002
+++ linus/CREDITS Tue Jul 16 23:56:12 2002
@@ -433,6 +433,7 @@
E: lars@nocrew.org
W: http://lars.nocrew.org/
D: dsp56k device driver
+D: ptrace proxy in user mode kernel port
S: Kopmansg 2
S: 411 13 Goteborg
S: Sweden
@@ -725,7 +726,7 @@
E: jdike@karaya.com
W: http://user-mode-linux.sourceforge.net
D: User mode kernel port
-S: RR1 Box 67C
+S: 375 Tubbs Hill Rd
S: Deering NH 03244
S: USA

diff -Naur orig/MAINTAINERS linus/MAINTAINERS
--- orig/MAINTAINERS Tue Jul 16 23:55:50 2002
+++ linus/MAINTAINERS Thu Jul 25 18:49:30 2002
@@ -1849,6 +1849,14 @@
L: linux-usb-devel@lists.sourceforge.net
S: Maintained

+USER-MODE LINUX
+P: Jeff Dike
+M: jdike@karaya.com
+L: user-mode-linux-devel@lists.sourceforge.net
+L: user-mode-linux-user@lists.sourceforge.net
+W: http://user-mode-linux.sourceforge.net
+S: Maintained
+
VFAT FILESYSTEM:
P: Gordon Chaffee
M: chaffee@cs.berkeley.edu
diff -Naur orig/Makefile linus/Makefile
--- orig/Makefile Thu Jul 25 12:31:22 2002
+++ linus/Makefile Thu Jul 25 17:07:01 2002
@@ -27,7 +27,15 @@

KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)

-ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
+# SUBARCH tells the usermode build what the underlying arch is. That is set
+# first, and if a usermode build is happening, the "ARCH=um" on the command
+# line overrides the setting of ARCH below. If a native build is happening,
+# then ARCH is assigned, getting whatever value it gets normally, and
+# SUBARCH is subsequently ignored.
+
+SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
+ARCH := $(SUBARCH)
+
KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//g")

CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
diff -Naur orig/drivers/char/Makefile linus/drivers/char/Makefile
--- orig/drivers/char/Makefile Thu Jul 25 12:31:26 2002
+++ linus/drivers/char/Makefile Thu Jul 25 17:07:06 2002
@@ -65,6 +65,12 @@
endif
endif

+ifeq ($(ARCH),um)
+ KEYMAP =
+ KEYBD =
+ CONSOLE =
+endif
+
ifeq ($(ARCH),sh)
KEYMAP =
KEYBD =
diff -Naur orig/drivers/net/setup.c linus/drivers/net/setup.c
--- orig/drivers/net/setup.c Sat Jul 21 21:26:53 2001
+++ linus/drivers/net/setup.c Wed Jul 10 15:40:57 2002
@@ -28,7 +28,6 @@
extern int lmc_setup(void);

extern int madgemc_probe(void);
-extern int uml_net_probe(void);

/* Pad device name to IFNAMSIZ=16. F.e. __PAD6 is string of 9 zeros. */
#define __PAD6 "\0\0\0\0\0\0\0\0\0"
@@ -102,9 +101,6 @@
*/
#ifdef CONFIG_MADGEMC
{madgemc_probe, 0},
-#endif
-#ifdef CONFIG_UML_NET
- {uml_net_probe, 0},
#endif

{NULL, 0},
diff -Naur orig/include/linux/linkage.h linus/include/linux/linkage.h
--- orig/include/linux/linkage.h Sun Jul 14 14:10:17 2002
+++ linus/include/linux/linkage.h Wed Jul 17 17:20:09 2002
@@ -56,7 +56,7 @@
# define ATTRIB_NORET __attribute__((noreturn))
# define NORET_AND noreturn,

-#ifdef __i386__
+#if defined(__i386__) || defined(__arch_um__)
#define FASTCALL(x) x __attribute__((regparm(3)))
#else
#define FASTCALL(x) x
diff -Naur orig/init/do_mounts.c linus/init/do_mounts.c
--- orig/init/do_mounts.c Mon Jul 15 16:27:35 2002
+++ linus/init/do_mounts.c Mon Jul 15 16:28:16 2002
@@ -156,6 +156,22 @@
{ "pf", 0x2f00 },
{ "apblock", APBLOCK_MAJOR << 8},
{ "ddv", DDV_MAJOR << 8},
+ { "ubd0", UBD_MAJOR << 8 | 0 << 4},
+ { "ubda", UBD_MAJOR << 8 | 0 << 4},
+ { "ubd1", UBD_MAJOR << 8 | 1 << 4},
+ { "ubdb", UBD_MAJOR << 8 | 1 << 4},
+ { "ubd2", UBD_MAJOR << 8 | 2 << 4},
+ { "ubdc", UBD_MAJOR << 8 | 2 << 4},
+ { "ubd3", UBD_MAJOR << 8 | 3 << 4},
+ { "ubdd", UBD_MAJOR << 8 | 3 << 4},
+ { "ubd4", UBD_MAJOR << 8 | 4 << 4},
+ { "ubde", UBD_MAJOR << 8 | 4 << 4},
+ { "ubd5", UBD_MAJOR << 8 | 5 << 4},
+ { "ubdf", UBD_MAJOR << 8 | 5 << 4},
+ { "ubd6", UBD_MAJOR << 8 | 6 << 4},
+ { "ubdg", UBD_MAJOR << 8 | 6 << 4},
+ { "ubd7", UBD_MAJOR << 8 | 7 << 4},
+ { "ubdh", UBD_MAJOR << 8 | 7 << 4},
{ "jsfd", JSFD_MAJOR << 8},
#if defined(CONFIG_ARCH_S390)
{ "dasda", (DASD_MAJOR << MINORBITS) },
-
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