From f213fcf078c19d2b1b0876eb935cab20e311743e Mon Sep 17 00:00:00 2001 From: Jerry Hoemann Date: Fri, 17 May 2019 14:59:42 -0600 Subject: watchdog/hpwdt: Update documentation Update documentation to explain new module parameter kdumptimeout. Signed-off-by: Jerry Hoemann Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- Documentation/watchdog/hpwdt.txt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation/watchdog') diff --git a/Documentation/watchdog/hpwdt.txt b/Documentation/watchdog/hpwdt.txt index 55df692c5595..35da1413637e 100644 --- a/Documentation/watchdog/hpwdt.txt +++ b/Documentation/watchdog/hpwdt.txt @@ -33,6 +33,10 @@ Last reviewed: 08/20/2018 Default value is set when compiling the kernel. If it is set to "Y", then there is no way of disabling the watchdog once it has been started. + kdumptimeout Minimum timeout in seconds to apply upon receipt of an NMI + before calling panic. (-1) disables the watchdog. When value + is > 0, the timer is reprogrammed with the greater of + value or current timeout value. NOTE: More information about watchdog drivers in general, including the ioctl interface to /dev/watchdog can be found in -- cgit v1.2.1