From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Cédric Le Goater <clg@kaod.org>, Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 0/3] powerpc/xive: PCI hotplug fixes under PowerVM
Date: Tue, 9 Jun 2020 15:28:49 +1000 (AEST) [thread overview]
Message-ID: <159168032728.1381411.6585943075006157031.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20200429075122.1216388-1-clg@kaod.org>
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On Wed, 29 Apr 2020 09:51:19 +0200, Cédric Le Goater wrote:
> Here are a couple of fixes for PCI hotplug issues for machines running
> under the POWER hypervisor using hash MMU and the XIVE interrupt mode.
>
> Commit 1ca3dec2b2df ("powerpc/xive: Prevent page fault issues in the
> machine crash handler") forced the mapping of the XIVE ESB page and
> this is now blocking the removal of a passthrough IO adapter because
> the PCI isolation fails with "valid outstanding translations". Under
> KVM, the ESB pages for the adapter interrupts are un-mapped from the
> guest by the hypervisor in the KVM XIVE native device. This is is now
> redundant but it's harmless.
>
> [...]
Patches 1 & 3 pplied to powerpc/next.
[1/3] powerpc/xive: Clear the page tables for the ESB IO mapping
https://git.kernel.org/powerpc/c/a101950fcb78b0ba20cd487be6627dea58d55c2b
[3/3] powerpc/xive: Do not expose a debugfs file when XIVE is disabled
https://git.kernel.org/powerpc/c/0755e85570a4615ca674ad6489d44d63916f1f3e
cheers
prev parent reply other threads:[~2020-06-09 5:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 7:51 [PATCH 0/3] powerpc/xive: PCI hotplug fixes under PowerVM Cédric Le Goater
2020-04-29 7:51 ` [PATCH 1/3] powerpc/xive: Clear the page tables for the ESB IO mapping Cédric Le Goater
2020-04-29 7:51 ` [PATCH 2/3] powerpc/pci: unmap legacy INTx interrupts of passthrough IO adapters Cédric Le Goater
2020-05-21 7:13 ` Cédric Le Goater
2020-05-27 0:57 ` Oliver O'Halloran
2020-05-27 7:31 ` Cédric Le Goater
2020-06-10 18:10 ` Cédric Le Goater
2020-05-27 11:05 ` Cédric Le Goater
2020-05-28 13:25 ` Michael Ellerman
2020-04-29 7:51 ` [PATCH 3/3] powerpc/xive: Do not expose a debugfs file when XIVE is disabled Cédric Le Goater
2020-06-09 5:28 ` Michael Ellerman [this message]
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