From a1ad4f15054b58636aa58f0df2961259f8781746 Mon Sep 17 00:00:00 2001 From: Stephen Kitt Date: Tue, 18 Feb 2020 13:59:20 +0100 Subject: [PATCH] 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 Signed-off-by: Jonathan Corbet --- Documentation/admin-guide/sysctl/kernel.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) 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 ===== -- GitLab