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Message-ID: <22846131.xdEJ5N2VYq@blindfold>
Date: Wed, 06 Mar 2019 22:43:49 +0100
From: Richard Weinberger <richard@....at>
To: "Enrico Weigelt, metux IT consult" <info@...ux.net>
Cc: linux-kernel@...r.kernel.org, jdike@...toit.com,
anton.ivanov@...bridgegreys.com, linux-um@...ts.infradead.org
Subject: Re: [PATCH] arch: um: drivers: Kconfig: formatting cleanup
Am Mittwoch, 6. März 2019, 19:32:44 CET schrieb Enrico Weigelt, metux IT consult:
Here please also a changelog. :-)
Thanks,
//richard
> Signed-off-by: Enrico Weigelt, metux IT consult <info@...ux.net>
> ---
> arch/um/drivers/Kconfig | 352 ++++++++++++++++++++++++------------------------
> 1 file changed, 176 insertions(+), 176 deletions(-)
>
> diff --git a/arch/um/drivers/Kconfig b/arch/um/drivers/Kconfig
> index 2b1aaf7..2638e46 100644
> --- a/arch/um/drivers/Kconfig
> +++ b/arch/um/drivers/Kconfig
> @@ -11,58 +11,58 @@ config STDERR_CONSOLE
> 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.
> + 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.
> + 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.
> + 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.
> + 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.
> + 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.
> + 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.
> + 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.
> + 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
> @@ -72,43 +72,43 @@ 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.
> + 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.
> + 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.
> + 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.
> + 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
> @@ -131,107 +131,107 @@ menu "UML Network Devices"
> config UML_NET
> bool "Virtual network device"
> help
> - While the User-Mode port cannot directly talk to any physical
> - hardware devices, this choice and the following transport options
> - provide one or more virtual network devices through which the UML
> - kernels can talk to each other, the host, and with the host's help,
> - machines on the outside world.
> + While the User-Mode port cannot directly talk to any physical
> + hardware devices, this choice and the following transport options
> + provide one or more virtual network devices through which the UML
> + kernels can talk to each other, the host, and with the host's help,
> + machines on the outside world.
>
> - For more information, including explanations of the networking and
> - sample configurations, see
> - <http://user-mode-linux.sourceforge.net/old/networking.html>.
> + For more information, including explanations of the networking and
> + sample configurations, see
> + <http://user-mode-linux.sourceforge.net/old/networking.html>.
>
> - If you'd like to be able to enable networking in the User-Mode
> - linux environment, say Y; otherwise say N. Note that you must
> - enable at least one of the following transport options to actually
> - make use of UML networking.
> + If you'd like to be able to enable networking in the User-Mode
> + linux environment, say Y; otherwise say N. Note that you must
> + enable at least one of the following transport options to actually
> + make use of UML networking.
>
> config UML_NET_ETHERTAP
> bool "Ethertap transport"
> depends on UML_NET
> help
> - The Ethertap User-Mode Linux network transport allows a single
> - running UML to exchange packets with its host over one of the
> - host's Ethertap devices, such as /dev/tap0. Additional running
> - UMLs can use additional Ethertap devices, one per running UML.
> - While the UML believes it's on a (multi-device, broadcast) virtual
> - Ethernet network, it's in fact communicating over a point-to-point
> - link with the host.
> -
> - To use this, your host kernel must have support for Ethertap
> - devices. Also, if your host kernel is 2.4.x, it must have
> - CONFIG_NETLINK_DEV configured as Y or M.
> -
> - For more information, see
> - <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> - has examples of the UML command line to use to enable Ethertap
> - networking.
> -
> - If you'd like to set up an IP network with the host and/or the
> - outside world, say Y to this, the Daemon Transport and/or the
> - Slip Transport. You'll need at least one of them, but may choose
> - more than one without conflict. If you don't need UML networking,
> - say N.
> + The Ethertap User-Mode Linux network transport allows a single
> + running UML to exchange packets with its host over one of the
> + host's Ethertap devices, such as /dev/tap0. Additional running
> + UMLs can use additional Ethertap devices, one per running UML.
> + While the UML believes it's on a (multi-device, broadcast) virtual
> + Ethernet network, it's in fact communicating over a point-to-point
> + link with the host.
> +
> + To use this, your host kernel must have support for Ethertap
> + devices. Also, if your host kernel is 2.4.x, it must have
> + CONFIG_NETLINK_DEV configured as Y or M.
> +
> + For more information, see
> + <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> + has examples of the UML command line to use to enable Ethertap
> + networking.
> +
> + If you'd like to set up an IP network with the host and/or the
> + outside world, say Y to this, the Daemon Transport and/or the
> + Slip Transport. You'll need at least one of them, but may choose
> + more than one without conflict. If you don't need UML networking,
> + say N.
>
> config UML_NET_TUNTAP
> bool "TUN/TAP transport"
> depends on UML_NET
> help
> - The UML TUN/TAP network transport allows a UML instance to exchange
> - packets with the host over a TUN/TAP device. This option will only
> - work with a 2.4 host, unless you've applied the TUN/TAP patch to
> - your 2.2 host kernel.
> + The UML TUN/TAP network transport allows a UML instance to exchange
> + packets with the host over a TUN/TAP device. This option will only
> + work with a 2.4 host, unless you've applied the TUN/TAP patch to
> + your 2.2 host kernel.
>
> - To use this transport, your host kernel must have support for TUN/TAP
> - devices, either built-in or as a module.
> + To use this transport, your host kernel must have support for TUN/TAP
> + devices, either built-in or as a module.
>
> config UML_NET_SLIP
> bool "SLIP transport"
> depends on UML_NET
> help
> - The slip User-Mode Linux network transport allows a running UML to
> - network with its host over a point-to-point link. Unlike Ethertap,
> - which can carry any Ethernet frame (and hence even non-IP packets),
> - the slip transport can only carry IP packets.
> -
> - To use this, your host must support slip devices.
> -
> - For more information, see
> - <http://user-mode-linux.sourceforge.net/old/networking.html>.
> - has examples of the UML command line to use to enable slip
> - networking, and details of a few quirks with it.
> -
> - The Ethertap Transport is preferred over slip because of its
> - limitations. If you prefer slip, however, say Y here. Otherwise
> - choose the Multicast transport (to network multiple UMLs on
> - multiple hosts), Ethertap (to network with the host and the
> - outside world), and/or the Daemon transport (to network multiple
> - UMLs on a single host). You may choose more than one without
> - conflict. If you don't need UML networking, say N.
> + The slip User-Mode Linux network transport allows a running UML to
> + network with its host over a point-to-point link. Unlike Ethertap,
> + which can carry any Ethernet frame (and hence even non-IP packets),
> + the slip transport can only carry IP packets.
> +
> + To use this, your host must support slip devices.
> +
> + For more information, see
> + <http://user-mode-linux.sourceforge.net/old/networking.html>.
> + has examples of the UML command line to use to enable slip
> + networking, and details of a few quirks with it.
> +
> + The Ethertap Transport is preferred over slip because of its
> + limitations. If you prefer slip, however, say Y here. Otherwise
> + choose the Multicast transport (to network multiple UMLs on
> + multiple hosts), Ethertap (to network with the host and the
> + outside world), and/or the Daemon transport (to network multiple
> + UMLs on a single host). You may choose more than one without
> + conflict. If you don't need UML networking, say N.
>
> config UML_NET_DAEMON
> bool "Daemon transport"
> depends on UML_NET
> help
> - This User-Mode Linux network transport allows one or more running
> - UMLs on a single host to communicate with each other, but not to
> - the host.
> -
> - To use this form of networking, you'll need to run the UML
> - networking daemon on the host.
> -
> - For more information, see
> - <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> - has examples of the UML command line to use to enable Daemon
> - networking.
> -
> - If you'd like to set up a network with other UMLs on a single host,
> - say Y. If you need a network between UMLs on multiple physical
> - hosts, choose the Multicast Transport. To set up a network with
> - the host and/or other IP machines, say Y to the Ethertap or Slip
> - transports. You'll need at least one of them, but may choose
> - more than one without conflict. If you don't need UML networking,
> - say N.
> + This User-Mode Linux network transport allows one or more running
> + UMLs on a single host to communicate with each other, but not to
> + the host.
> +
> + To use this form of networking, you'll need to run the UML
> + networking daemon on the host.
> +
> + For more information, see
> + <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> + has examples of the UML command line to use to enable Daemon
> + networking.
> +
> + If you'd like to set up a network with other UMLs on a single host,
> + say Y. If you need a network between UMLs on multiple physical
> + hosts, choose the Multicast Transport. To set up a network with
> + the host and/or other IP machines, say Y to the Ethertap or Slip
> + transports. You'll need at least one of them, but may choose
> + more than one without conflict. If you don't need UML networking,
> + say N.
>
> config UML_NET_VECTOR
> bool "Vector I/O high performance network devices"
> @@ -270,26 +270,26 @@ config UML_NET_MCAST
> bool "Multicast transport"
> depends on UML_NET
> help
> - This Multicast User-Mode Linux network transport allows multiple
> - UMLs (even ones running on different host machines!) to talk to
> - each other over a virtual ethernet network. However, it requires
> - at least one UML with one of the other transports to act as a
> - bridge if any of them need to be able to talk to their hosts or any
> - other IP machines.
> -
> - To use this, your host kernel(s) must support IP Multicasting.
> -
> - For more information, see
> - <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> - has examples of the UML command line to use to enable Multicast
> - networking, and notes about the security of this approach.
> -
> - If you need UMLs on multiple physical hosts to communicate as if
> - they shared an Ethernet network, say Y. If you need to communicate
> - with other IP machines, make sure you select one of the other
> - transports (possibly in addition to Multicast; they're not
> - exclusive). If you don't need to network UMLs say N to each of
> - the transports.
> + This Multicast User-Mode Linux network transport allows multiple
> + UMLs (even ones running on different host machines!) to talk to
> + each other over a virtual ethernet network. However, it requires
> + at least one UML with one of the other transports to act as a
> + bridge if any of them need to be able to talk to their hosts or any
> + other IP machines.
> +
> + To use this, your host kernel(s) must support IP Multicasting.
> +
> + For more information, see
> + <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> + has examples of the UML command line to use to enable Multicast
> + networking, and notes about the security of this approach.
> +
> + If you need UMLs on multiple physical hosts to communicate as if
> + they shared an Ethernet network, say Y. If you need to communicate
> + with other IP machines, make sure you select one of the other
> + transports (possibly in addition to Multicast; they're not
> + exclusive). If you don't need to network UMLs say N to each of
> + the transports.
>
> config UML_NET_PCAP
> bool "pcap transport"
> @@ -300,9 +300,9 @@ config UML_NET_PCAP
> UML act as a network monitor for the host. You must have libcap
> installed in order to build the pcap transport into UML.
>
> - For more information, see
> - <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> - has examples of the UML command line to use to enable this option.
> + For more information, see
> + <http://user-mode-linux.sourceforge.net/old/networking.html> That site
> + has examples of the UML command line to use to enable this option.
>
> If you intend to use UML as a network monitor for the host, say
> Y here. Otherwise, say N.
> @@ -311,27 +311,27 @@ config UML_NET_SLIRP
> bool "SLiRP transport"
> depends on UML_NET
> help
> - The SLiRP User-Mode Linux network transport allows a running UML
> - to network by invoking a program that can handle SLIP encapsulated
> - packets. This is commonly (but not limited to) the application
> - known as SLiRP, a program that can re-socket IP packets back onto
> - the host on which it is run. Only IP packets are supported,
> - unlike other network transports that can handle all Ethernet
> - frames. In general, slirp allows the UML the same IP connectivity
> - to the outside world that the host user is permitted, and unlike
> - other transports, SLiRP works without the need of root level
> - privleges, setuid binaries, or SLIP devices on the host. This
> - also means not every type of connection is possible, but most
> - situations can be accommodated with carefully crafted slirp
> - commands that can be passed along as part of the network device's
> - setup string. The effect of this transport on the UML is similar
> - that of a host behind a firewall that masquerades all network
> - connections passing through it (but is less secure).
> -
> - To use this you should first have slirp compiled somewhere
> - accessible on the host, and have read its documentation. If you
> - don't need UML networking, say N.
> -
> - Startup example: "eth0=slirp,FE:FD:01:02:03:04,/usr/local/bin/slirp"
> + The SLiRP User-Mode Linux network transport allows a running UML
> + to network by invoking a program that can handle SLIP encapsulated
> + packets. This is commonly (but not limited to) the application
> + known as SLiRP, a program that can re-socket IP packets back onto
> + he host on which it is run. Only IP packets are supported,
> + unlike other network transports that can handle all Ethernet
> + frames. In general, slirp allows the UML the same IP connectivity
> + to the outside world that the host user is permitted, and unlike
> + other transports, SLiRP works without the need of root level
> + privleges, setuid binaries, or SLIP devices on the host. This
> + also means not every type of connection is possible, but most
> + situations can be accommodated with carefully crafted slirp
> + commands that can be passed along as part of the network device's
> + setup string. The effect of this transport on the UML is similar
> + that of a host behind a firewall that masquerades all network
> + connections passing through it (but is less secure).
> +
> + To use this you should first have slirp compiled somewhere
> + accessible on the host, and have read its documentation. If you
> + don't need UML networking, say N.
> +
> + Startup example: "eth0=slirp,FE:FD:01:02:03:04,/usr/local/bin/slirp"
>
> endmenu
>
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