diff options
| author | Stephen Kitt <steve@sk2.org> | 2020-02-18 13:59:20 +0100 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2020-02-19 03:34:32 -0700 |
| commit | a1ad4f15054b58636aa58f0df2961259f8781746 (patch) | |
| tree | a772bf7efe383022da1afb9905fc92ad6477c5c5 /Documentation/admin-guide/sysctl | |
| parent | fa5b526411bb5afe7736ce14bab18c0b68db4251 (diff) | |
docs: document stop-a in sysctl/kernel.rst
This describes the SPARC-specific stop-a sysctl entry, which was
previously listed in kernel.rst but not documented.
Base on the implementation in arch/sparc/kernel/setup_{32,64}.c and
kernel/panic.c.
Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/admin-guide/sysctl')
| -rw-r--r-- | Documentation/admin-guide/sysctl/kernel.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 0ae52156db75..3cbbe4502e18 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1069,6 +1069,16 @@ compilation sees a 1% slowdown, other systems and workloads may vary. stop-a (SPARC only) =================== +Controls Stop-A: + += ==================================== +0 Stop-A has no effect. +1 Stop-A breaks to the PROM (default). += ==================================== + +Stop-A is always enabled on a panic, so that the user can return to +the boot PROM. + sysrq ===== |