2019-05-17 22:12:11

by Jerry Hoemann

[permalink] [raw]
Subject: [PATCH 5/6] watchdog/hpwdt: Update documentation

Update documentation to explain new module parameter kdumptimeout.

Signed-off-by: Jerry Hoemann <[email protected]>
---
Documentation/watchdog/hpwdt.txt | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/watchdog/hpwdt.txt b/Documentation/watchdog/hpwdt.txt
index 55df692..35da141 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
--
1.8.3.1


2019-06-07 00:09:25

by Guenter Roeck

[permalink] [raw]
Subject: Re: [PATCH 5/6] watchdog/hpwdt: Update documentation

On Fri, May 17, 2019 at 02:59:42PM -0600, Jerry Hoemann wrote:
> Update documentation to explain new module parameter kdumptimeout.
>
> Signed-off-by: Jerry Hoemann <[email protected]>

Reviewed-by: Guenter Roeck <[email protected]>

> ---
> Documentation/watchdog/hpwdt.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/watchdog/hpwdt.txt b/Documentation/watchdog/hpwdt.txt
> index 55df692..35da141 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