From: Madhavan Srinivasan <maddy@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, Shivaprasad G Bhat <sbhat@linux.ibm.com>
Cc: harshpb@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,
chleroy@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] powerpc/rtas_pci: No hotplug on permanently removed device on pSeries
Date: Wed, 9 Sep 2026 11:48:39 +0530 [thread overview]
Message-ID: <178893459268.174069.7218159641256371080.b4-ty@linux.ibm.com> (raw)
In-Reply-To: <178246517230.1267.12206176311111155505.stgit@linux.ibm.com>
On Fri, 26 Jun 2026 09:13:03 +0000, Shivaprasad G Bhat wrote:
> The eeh_driver disables and offlines the PE permanently when it
> exceeds the freeze count beyond eeh_max_freeze within the last hour.
> The PE is only offline, so the device tree entries, eeh device
> references are all intact till the real unplug of the device from
> the guest/host takes place.
>
> On pSeries, with a new hotplug of any PCI device, the drmgr initiates
> a system-wide PCI rescan, which finds devices offlined by the eeh_driver
> and there will be attempts to bring them online. This leads to
> recurring EEHs either at the config read time itself or a bit
> later depending on the type of the problem.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/rtas_pci: No hotplug on permanently removed device on pSeries
https://git.kernel.org/powerpc/c/8a4978c17a144a6583478cce933bcb2dbb25298d
cheers
prev parent reply other threads:[~2026-09-09 6:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-26 9:13 Shivaprasad G Bhat
2026-08-03 6:12 ` Harsh Prateek Bora
2026-08-26 11:14 ` tasmiya
2026-09-09 6:18 ` Madhavan Srinivasan [this message]
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