From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: mpe@ellerman.id.au, wim@linux-watchdog.org, linux@roeck-us.net,
npiggin@gmail.com, nathanl@linux.ibm.com,
christophe.leroy@csgroup.eu,
Laurent Dufour <ldufour@linux.ibm.com>,
rdunlap@infradead.org
Cc: haren@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org,
hch@infradead.org, linux-kernel@vger.kernel.org,
linux-watchdog@vger.kernel.org
Subject: Re: [PATCH v5 0/4] Extending NMI watchdog during LPM
Date: Fri, 29 Jul 2022 23:02:16 +1000 [thread overview]
Message-ID: <165909973609.253830.7930031213898440605.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20220713154729.80789-1-ldufour@linux.ibm.com>
On Wed, 13 Jul 2022 17:47:25 +0200, Laurent Dufour wrote:
> When a partition is transferred, once it arrives at the destination node,
> the partition is active but much of its memory must be transferred from the
> start node.
>
> It depends on the activity in the partition, but the more CPU the partition
> has, the more memory to be transferred is likely to be. This causes latency
> when accessing pages that need to be transferred, and often, for large
> partitions, it triggers the NMI watchdog.
>
> [...]
Applied to powerpc/next.
[1/4] powerpc/mobility: wait for memory transfer to complete
https://git.kernel.org/powerpc/c/882c0d1704cf61df13f01933269202d51e74b9f3
[2/4] watchdog: export lockup_detector_reconfigure
https://git.kernel.org/powerpc/c/7c56a8733d0a2a4be2438a7512566e5ce552fccf
[3/4] powerpc/watchdog: introduce a NMI watchdog's factor
https://git.kernel.org/powerpc/c/f5e74e836097d1004077390717d4bd95d4a2c27a
[4/4] pseries/mobility: set NMI watchdog factor during an LPM
https://git.kernel.org/powerpc/c/118b1366930c8c833b8b36abef657f40d4e26610
cheers
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: mpe@ellerman.id.au, wim@linux-watchdog.org, linux@roeck-us.net,
npiggin@gmail.com, nathanl@linux.ibm.com,
christophe.leroy@csgroup.eu,
Laurent Dufour <ldufour@linux.ibm.com>,
rdunlap@infradead.org
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 0/4] Extending NMI watchdog during LPM
Date: Fri, 29 Jul 2022 23:02:16 +1000 [thread overview]
Message-ID: <165909973609.253830.7930031213898440605.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20220713154729.80789-1-ldufour@linux.ibm.com>
On Wed, 13 Jul 2022 17:47:25 +0200, Laurent Dufour wrote:
> When a partition is transferred, once it arrives at the destination node,
> the partition is active but much of its memory must be transferred from the
> start node.
>
> It depends on the activity in the partition, but the more CPU the partition
> has, the more memory to be transferred is likely to be. This causes latency
> when accessing pages that need to be transferred, and often, for large
> partitions, it triggers the NMI watchdog.
>
> [...]
Applied to powerpc/next.
[1/4] powerpc/mobility: wait for memory transfer to complete
https://git.kernel.org/powerpc/c/882c0d1704cf61df13f01933269202d51e74b9f3
[2/4] watchdog: export lockup_detector_reconfigure
https://git.kernel.org/powerpc/c/7c56a8733d0a2a4be2438a7512566e5ce552fccf
[3/4] powerpc/watchdog: introduce a NMI watchdog's factor
https://git.kernel.org/powerpc/c/f5e74e836097d1004077390717d4bd95d4a2c27a
[4/4] pseries/mobility: set NMI watchdog factor during an LPM
https://git.kernel.org/powerpc/c/118b1366930c8c833b8b36abef657f40d4e26610
cheers
next prev parent reply other threads:[~2022-07-29 13:12 UTC|newest]
Thread overview: 18+ 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 ` 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 ` Laurent Dufour
2022-07-13 15:47 ` [PATCH v5 2/4] watchdog: export lockup_detector_reconfigure Laurent Dufour
2022-07-13 15:47 ` 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 ` 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 15:47 ` Laurent Dufour
2022-07-13 20:17 ` Randy Dunlap
2022-07-13 20:17 ` Randy Dunlap
2022-07-25 12:25 ` Laurent Dufour
2022-07-25 12:25 ` Laurent Dufour
2022-07-26 10:53 ` Michael Ellerman
2022-07-26 10:53 ` Michael Ellerman
2022-07-29 13:02 ` Michael Ellerman [this message]
2022-07-29 13:02 ` [PATCH v5 0/4] Extending NMI watchdog during LPM Michael Ellerman
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