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-rw-r--r--arch/um/Kconfig (renamed from arch/um/Kconfig.um)74
-rw-r--r--arch/um/Kconfig.char124
-rw-r--r--arch/um/Kconfig.common60
-rw-r--r--arch/um/Kconfig.debug5
-rw-r--r--arch/um/Kconfig.rest22
-rw-r--r--arch/um/Makefile17
-rw-r--r--arch/um/drivers/Kconfig (renamed from arch/um/Kconfig.net)125
-rw-r--r--arch/um/drivers/Makefile4
-rw-r--r--arch/um/kernel/trap.c2
9 files changed, 201 insertions, 232 deletions
diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig
index 20da5a8ca949..6b9938919f0b 100644
--- a/arch/um/Kconfig.um
+++ b/arch/um/Kconfig
@@ -1,4 +1,70 @@
# SPDX-License-Identifier: GPL-2.0
+
+menu "UML-specific options"
+
+config UML
+ bool
+ default y
+ select ARCH_HAS_KCOV
+ select ARCH_NO_PREEMPT
+ select HAVE_ARCH_AUDITSYSCALL
+ select HAVE_ARCH_SECCOMP_FILTER
+ select HAVE_UID16
+ select HAVE_FUTEX_CMPXCHG if FUTEX
+ select HAVE_DEBUG_KMEMLEAK
+ select GENERIC_IRQ_SHOW
+ select GENERIC_CPU_DEVICES
+ select GENERIC_CLOCKEVENTS
+ select HAVE_GCC_PLUGINS
+ select TTY # Needed for line.c
+
+config MMU
+ bool
+ default y
+
+config NO_IOMEM
+ def_bool y
+
+config ISA
+ bool
+
+config SBUS
+ bool
+
+config PCI
+ bool
+
+config PCMCIA
+ bool
+
+config TRACE_IRQFLAGS_SUPPORT
+ bool
+ default y
+
+config LOCKDEP_SUPPORT
+ bool
+ default y
+
+config STACKTRACE_SUPPORT
+ bool
+ default y
+ select STACKTRACE
+
+config GENERIC_CALIBRATE_DELAY
+ bool
+ default y
+
+config HZ
+ int
+ default 100
+
+config NR_CPUS
+ int
+ range 1 1
+ default 1
+
+source "arch/$(HEADER_ARCH)/um/Kconfig"
+
config STATIC_LINK
bool "Force a static link"
default n
@@ -10,8 +76,6 @@ config STATIC_LINK
Additionally, this option enables using higher memory spaces (up to
2.75G) for UML.
-source "mm/Kconfig"
-
config LD_SCRIPT_STATIC
bool
default y
@@ -23,8 +87,6 @@ config LD_SCRIPT_DYN
depends on !LD_SCRIPT_STATIC
select MODULE_REL_CRCS if MODVERSIONS
-source "fs/Kconfig.binfmt"
-
config HOSTFS
tristate "Host filesystem"
help
@@ -122,3 +184,7 @@ config SECCOMP
defined by each seccomp mode.
If unsure, say Y.
+
+endmenu
+
+source "arch/um/drivers/Kconfig"
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char
deleted file mode 100644
index f184bde7030e..000000000000
--- a/arch/um/Kconfig.char
+++ /dev/null
@@ -1,124 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-menu "UML Character Devices"
-
-config STDERR_CONSOLE
- bool "stderr console"
- default y
- help
- console driver which dumps all printk messages to stderr.
-
-config SSL
- bool "Virtual serial line"
- help
- The User-Mode Linux environment allows you to create virtual serial
- lines on the UML that are usually made to show up on the host as
- ttys or ptys.
-
- See <http://user-mode-linux.sourceforge.net/old/input.html> for more
- information and command line examples of how to use this facility.
-
- Unless you have a specific reason for disabling this, say Y.
-
-config NULL_CHAN
- bool "null channel support"
- help
- This option enables support for attaching UML consoles and serial
- lines to a device similar to /dev/null. Data written to it disappears
- and there is never any data to be read.
-
-config PORT_CHAN
- bool "port channel support"
- help
- This option enables support for attaching UML consoles and serial
- lines to host portals. They may be accessed with 'telnet <host>
- <port number>'. Any number of consoles and serial lines may be
- attached to a single portal, although what UML device you get when
- you telnet to that portal will be unpredictable.
- It is safe to say 'Y' here.
-
-config PTY_CHAN
- bool "pty channel support"
- help
- This option enables support for attaching UML consoles and serial
- lines to host pseudo-terminals. Access to both traditional
- pseudo-terminals (/dev/pty*) and pts pseudo-terminals are controlled
- with this option. The assignment of UML devices to host devices
- will be announced in the kernel message log.
- It is safe to say 'Y' here.
-
-config TTY_CHAN
- bool "tty channel support"
- help
- This option enables support for attaching UML consoles and serial
- lines to host terminals. Access to both virtual consoles
- (/dev/tty*) and the slave side of pseudo-terminals (/dev/ttyp* and
- /dev/pts/*) are controlled by this option.
- It is safe to say 'Y' here.
-
-config XTERM_CHAN
- bool "xterm channel support"
- help
- This option enables support for attaching UML consoles and serial
- lines to xterms. Each UML device so assigned will be brought up in
- its own xterm.
- It is safe to say 'Y' here.
-
-config NOCONFIG_CHAN
- bool
- default !(XTERM_CHAN && TTY_CHAN && PTY_CHAN && PORT_CHAN && NULL_CHAN)
-
-config CON_ZERO_CHAN
- string "Default main console channel initialization"
- default "fd:0,fd:1"
- help
- This is the string describing the channel to which the main console
- will be attached by default. This value can be overridden from the
- command line. The default value is "fd:0,fd:1", which attaches the
- main console to stdin and stdout.
- It is safe to leave this unchanged.
-
-config CON_CHAN
- string "Default console channel initialization"
- default "xterm"
- help
- This is the string describing the channel to which all consoles
- except the main console will be attached by default. This value can
- be overridden from the command line. The default value is "xterm",
- which brings them up in xterms.
- It is safe to leave this unchanged, although you may wish to change
- this if you expect the UML that you build to be run in environments
- which don't have X or xterm available.
-
-config SSL_CHAN
- string "Default serial line channel initialization"
- default "pty"
- help
- This is the string describing the channel to which the serial lines
- will be attached by default. This value can be overridden from the
- command line. The default value is "pty", which attaches them to
- traditional pseudo-terminals.
- It is safe to leave this unchanged, although you may wish to change
- this if you expect the UML that you build to be run in environments
- which don't have a set of /dev/pty* devices.
-
-config UML_SOUND
- tristate "Sound support"
- help
- This option enables UML sound support. If enabled, it will pull in
- soundcore and the UML hostaudio relay, which acts as a intermediary
- between the host's dsp and mixer devices and the UML sound system.
- It is safe to say 'Y' here.
-
-config SOUND
- tristate
- default UML_SOUND
-
-config SOUND_OSS_CORE
- bool
- default UML_SOUND
-
-config HOSTAUDIO
- tristate
- default UML_SOUND
-
-endmenu
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
deleted file mode 100644
index 07f84c842cc3..000000000000
--- a/arch/um/Kconfig.common
+++ /dev/null
@@ -1,60 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-config UML
- bool
- default y
- select ARCH_HAS_KCOV
- select HAVE_ARCH_AUDITSYSCALL
- select HAVE_ARCH_SECCOMP_FILTER
- select HAVE_UID16
- select HAVE_FUTEX_CMPXCHG if FUTEX
- select HAVE_DEBUG_KMEMLEAK
- select GENERIC_IRQ_SHOW
- select GENERIC_CPU_DEVICES
- select GENERIC_CLOCKEVENTS
- select HAVE_GCC_PLUGINS
- select TTY # Needed for line.c
-
-config MMU
- bool
- default y
-
-config NO_IOMEM
- def_bool y
-
-config ISA
- bool
-
-config SBUS
- bool
-
-config PCI
- bool
-
-config PCMCIA
- bool
-
-config TRACE_IRQFLAGS_SUPPORT
- bool
- default y
-
-config LOCKDEP_SUPPORT
- bool
- default y
-
-config STACKTRACE_SUPPORT
- bool
- default y
- select STACKTRACE
-
-config GENERIC_CALIBRATE_DELAY
- bool
- default y
-
-config HZ
- int
- default 100
-
-config NR_CPUS
- int
- range 1 1
- default 1
diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
index 967d3109689f..2014597605ea 100644
--- a/arch/um/Kconfig.debug
+++ b/arch/um/Kconfig.debug
@@ -1,7 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
-menu "Kernel hacking"
-
-source "lib/Kconfig.debug"
config GPROF
bool "Enable gprof support"
@@ -37,5 +34,3 @@ config EARLY_PRINTK
This is useful for kernel debugging when your machine crashes very
early before the console code is initialized.
-
-endmenu
diff --git a/arch/um/Kconfig.rest b/arch/um/Kconfig.rest
deleted file mode 100644
index 08327b9c0cbe..000000000000
--- a/arch/um/Kconfig.rest
+++ /dev/null
@@ -1,22 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-source "init/Kconfig"
-
-source "kernel/Kconfig.freezer"
-
-source "arch/um/Kconfig.char"
-
-source "drivers/Kconfig"
-
-source "net/Kconfig"
-
-source "arch/um/Kconfig.net"
-
-source "fs/Kconfig"
-
-source "security/Kconfig"
-
-source "crypto/Kconfig"
-
-source "lib/Kconfig"
-
-source "arch/um/Kconfig.debug"
diff --git a/arch/um/Makefile b/arch/um/Makefile
index e54dda8a0363..ab1066c38944 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -113,17 +113,8 @@ define archhelp
echo ' find in the kernel root.'
endef
-KBUILD_KCONFIG := $(HOST_DIR)/um/Kconfig
-
archheaders:
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
- kbuild-file=$(HOST_DIR)/include/asm/Kbuild \
- obj=$(HOST_DIR)/include/generated/asm
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
- kbuild-file=$(HOST_DIR)/include/uapi/asm/Kbuild \
- obj=$(HOST_DIR)/include/generated/uapi/asm
- $(Q)$(MAKE) KBUILD_SRC= ARCH=$(HEADER_ARCH) archheaders
-
+ $(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) asm-generic archheaders
archprepare: include/generated/user_constants.h
@@ -142,7 +133,7 @@ export LDS_ELF_FORMAT := $(ELF_FORMAT)
# The wrappers will select whether using "malloc" or the kernel allocator.
LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc
-LD_FLAGS_CMDLINE = $(foreach opt,$(LDFLAGS),-Wl,$(opt))
+LD_FLAGS_CMDLINE = $(foreach opt,$(KBUILD_LDFLAGS),-Wl,$(opt))
# Used by link-vmlinux.sh which has special support for um link
export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE)
@@ -169,11 +160,11 @@ define filechk_gen-asm-offsets
echo " *"; \
echo " */"; \
echo ""; \
- sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
+ sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" < $<; \
echo ""; )
endef
include/generated/user_constants.h: $(HOST_DIR)/um/user-offsets.s
$(call filechk,gen-asm-offsets)
-export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH
+export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH
diff --git a/arch/um/Kconfig.net b/arch/um/drivers/Kconfig
index c390f3deb0dc..2b1aaf7755aa 100644
--- a/arch/um/Kconfig.net
+++ b/arch/um/drivers/Kconfig
@@ -1,5 +1,129 @@
# SPDX-License-Identifier: GPL-2.0
+menu "UML Character Devices"
+
+config STDERR_CONSOLE
+ bool "stderr console"
+ default y
+ help
+ console driver which dumps all printk messages to stderr.
+
+config SSL
+ bool "Virtual serial line"
+ help
+ The User-Mode Linux environment allows you to create virtual serial
+ lines on the UML that are usually made to show up on the host as
+ ttys or ptys.
+
+ See <http://user-mode-linux.sourceforge.net/old/input.html> for more
+ information and command line examples of how to use this facility.
+
+ Unless you have a specific reason for disabling this, say Y.
+
+config NULL_CHAN
+ bool "null channel support"
+ help
+ This option enables support for attaching UML consoles and serial
+ lines to a device similar to /dev/null. Data written to it disappears
+ and there is never any data to be read.
+
+config PORT_CHAN
+ bool "port channel support"
+ help
+ This option enables support for attaching UML consoles and serial
+ lines to host portals. They may be accessed with 'telnet <host>
+ <port number>'. Any number of consoles and serial lines may be
+ attached to a single portal, although what UML device you get when
+ you telnet to that portal will be unpredictable.
+ It is safe to say 'Y' here.
+
+config PTY_CHAN
+ bool "pty channel support"
+ help
+ This option enables support for attaching UML consoles and serial
+ lines to host pseudo-terminals. Access to both traditional
+ pseudo-terminals (/dev/pty*) and pts pseudo-terminals are controlled
+ with this option. The assignment of UML devices to host devices
+ will be announced in the kernel message log.
+ It is safe to say 'Y' here.
+
+config TTY_CHAN
+ bool "tty channel support"
+ help
+ This option enables support for attaching UML consoles and serial
+ lines to host terminals. Access to both virtual consoles
+ (/dev/tty*) and the slave side of pseudo-terminals (/dev/ttyp* and
+ /dev/pts/*) are controlled by this option.
+ It is safe to say 'Y' here.
+
+config XTERM_CHAN
+ bool "xterm channel support"
+ help
+ This option enables support for attaching UML consoles and serial
+ lines to xterms. Each UML device so assigned will be brought up in
+ its own xterm.
+ It is safe to say 'Y' here.
+
+config NOCONFIG_CHAN
+ bool
+ default !(XTERM_CHAN && TTY_CHAN && PTY_CHAN && PORT_CHAN && NULL_CHAN)
+
+config CON_ZERO_CHAN
+ string "Default main console channel initialization"
+ default "fd:0,fd:1"
+ help
+ This is the string describing the channel to which the main console
+ will be attached by default. This value can be overridden from the
+ command line. The default value is "fd:0,fd:1", which attaches the
+ main console to stdin and stdout.
+ It is safe to leave this unchanged.
+
+config CON_CHAN
+ string "Default console channel initialization"
+ default "xterm"
+ help
+ This is the string describing the channel to which all consoles
+ except the main console will be attached by default. This value can
+ be overridden from the command line. The default value is "xterm",
+ which brings them up in xterms.
+ It is safe to leave this unchanged, although you may wish to change
+ this if you expect the UML that you build to be run in environments
+ which don't have X or xterm available.
+
+config SSL_CHAN
+ string "Default serial line channel initialization"
+ default "pty"
+ help
+ This is the string describing the channel to which the serial lines
+ will be attached by default. This value can be overridden from the
+ command line. The default value is "pty", which attaches them to
+ traditional pseudo-terminals.
+ It is safe to leave this unchanged, although you may wish to change
+ this if you expect the UML that you build to be run in environments
+ which don't have a set of /dev/pty* devices.
+
+config UML_SOUND
+ tristate "Sound support"
+ help
+ This option enables UML sound support. If enabled, it will pull in
+ soundcore and the UML hostaudio relay, which acts as a intermediary
+ between the host's dsp and mixer devices and the UML sound system.
+ It is safe to say 'Y' here.
+
+config SOUND
+ tristate
+ default UML_SOUND
+
+config SOUND_OSS_CORE
+ bool
+ default UML_SOUND
+
+config HOSTAUDIO
+ tristate
+ default UML_SOUND
+
+endmenu
+
menu "UML Network Devices"
depends on NET
@@ -211,4 +335,3 @@ config UML_NET_SLIRP
Startup example: "eth0=slirp,FE:FD:01:02:03:04,/usr/local/bin/slirp"
endmenu
-
diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile
index 16b3cebddafb..693319839f69 100644
--- a/arch/um/drivers/Makefile
+++ b/arch/um/drivers/Makefile
@@ -25,10 +25,10 @@ LDFLAGS_vde.o := -r $(shell $(CC) $(CFLAGS) -print-file-name=libvdeplug.a)
targets := pcap_kern.o pcap_user.o vde_kern.o vde_user.o
$(obj)/pcap.o: $(obj)/pcap_kern.o $(obj)/pcap_user.o
- $(LD) -r -dp -o $@ $^ $(LDFLAGS) $(LDFLAGS_pcap.o)
+ $(LD) -r -dp -o $@ $^ $(ld_flags)
$(obj)/vde.o: $(obj)/vde_kern.o $(obj)/vde_user.o
- $(LD) -r -dp -o $@ $^ $(LDFLAGS) $(LDFLAGS_vde.o)
+ $(LD) -r -dp -o $@ $^ $(ld_flags)
#XXX: The call below does not work because the flags are added before the
# object name, so nothing from the library gets linked.
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index ec9a42c14c56..cced82946042 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -72,7 +72,7 @@ good_area:
}
do {
- int fault;
+ vm_fault_t fault;
fault = handle_mm_fault(vma, address, flags);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 05:11:57 +0000