From: Laurent Dufour <ldufour@linux.ibm.com>
To: Randy Dunlap <rdunlap@infradead.org>,
mpe@ellerman.id.au, npiggin@gmail.com,
christophe.leroy@csgroup.eu, wim@linux-watchdog.org,
linux@roeck-us.net, nathanl@linux.ibm.com
Cc: hch@infradead.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, haren@linux.vnet.ibm.com,
linux-watchdog@vger.kernel.org
Subject: Re: [PATCH v5 4/4] pseries/mobility: set NMI watchdog factor during an LPM
Date: Mon, 25 Jul 2022 14:25:07 +0200 [thread overview]
Message-ID: <4e366d73-fb9f-bd83-abd0-c624a737a0cd@linux.ibm.com> (raw)
In-Reply-To: <e6232bb4-a8e5-8f33-e80e-06b1356565b7@infradead.org>
Le 13/07/2022 à 22:17, Randy Dunlap a écrit :
> Hi Laurent,
>
> On 7/13/22 08:47, Laurent Dufour wrote:
>> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
>> index ddccd1077462..d73faa619c15 100644
>> --- a/Documentation/admin-guide/sysctl/kernel.rst
>> +++ b/Documentation/admin-guide/sysctl/kernel.rst
>> @@ -592,6 +592,18 @@ to the guest kernel command line (see
>> Documentation/admin-guide/kernel-parameters.rst).
>>
>>
>> +nmi_wd_lpm_factor (PPC only)
>> +============================
>> +
>> +Factor apply to the NMI watchdog timeout (only when ``nmi_watchdog`` is
>
> Factor to apply to
Thanks, Randy.
Michael, could you fix that when applying the series?
Cheers,
Laurent
>
>> +set to 1). This factor represents the percentage added to
>> +``watchdog_thresh`` when calculating the NMI watchdog timeout during an
>> +LPM. The soft lockup timeout is not impacted.
>> +
>> +A value of 0 means no change. The default value is 200 meaning the NMI
>> +watchdog is set to 30s (based on ``watchdog_thresh`` equal to 10).
>
next prev parent reply other threads:[~2022-07-25 12:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 15:47 [PATCH v5 0/4] Extending NMI watchdog during LPM Laurent Dufour
2022-07-13 15:47 ` [PATCH v5 1/4] powerpc/mobility: wait for memory transfer to complete Laurent Dufour
2022-07-13 15:47 ` [PATCH v5 2/4] watchdog: export lockup_detector_reconfigure Laurent Dufour
2022-07-13 15:47 ` [PATCH v5 3/4] powerpc/watchdog: introduce a NMI watchdog's factor Laurent Dufour
2022-07-13 15:47 ` [PATCH v5 4/4] pseries/mobility: set NMI watchdog factor during an LPM Laurent Dufour
2022-07-13 20:17 ` Randy Dunlap
2022-07-25 12:25 ` Laurent Dufour [this message]
2022-07-26 10:53 ` Michael Ellerman
2022-07-29 13:02 ` [PATCH v5 0/4] Extending NMI watchdog during LPM Michael Ellerman
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