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kpatch/man/kpatch.1
Julien Thierry b470e5091d kpatch: Inform user when signal subcommand is unnecessary
From Linux-5.1 onward, the sysfs interface to send signals to
processes stalling livepatch transitions is replace by a peridical
signal sent by the kernel.

On such systems, the kpatch signal subcommand does nothing. Just
let the user know they don't need to worry about it.

Fixes: 
Signed-off-by: Julien Thierry <jthierry@redhat.com>
2021-01-14 17:55:29 +01:00

57 lines
1.5 KiB
Groff

.\" Manpage for kpatch.
.\" Contact udoseidel@gmx.de to correct errors or typos.
.TH man 1 "23 Mar 2014" "1.0" "kpatch man page"
.SH NAME
kpatch \- hot patch module management
.SH SYNOPSIS
kpatch <command> [<args>]
.SH DESCRIPTION
kpatch is a user script that manages installing, loading, and
displaying information about kernel patch modules installed on
the system.
.SH COMMANDS
install [-k|--kernel-version=<kernel version>] <module>
install patch module to be loaded at boot
uninstall [-k|--kernel-version=<kernel version>] <module>
uninstall patch module
load --all
load all installed patch modules into the running kernel
load <module>
load patch module into the running kernel
unload --all
unload all patch modules from the running kernel
unload <module>
unload patch module from the running kernel
info <module>
show information about a patch module
list
list installed patch modules
signal
signal/poke any process stalling the current patch transition.
This is only useful on systems that have the sysfs livepatch signal interface.
On other systems, the signaling should be done automatically by the OS and
this subcommand is a no-op.
version
display the kpatch version
.SH SEE ALSO
kpatch-build(1)
.SH BUGS
No known bugs.
.SH AUTHOR
Udo Seidel (udoseidel@gmx.de)
.SH COPYRIGHT
Copyright (C) 2014: Seth Jennings <sjenning@redhat.com> and
Josh Poimboeuf <jpoimboe@redhat.com>