From: Marc Zyngier <maz@kernel.org>
To: Sandor Bodo-Merle <sbodomerle@gmail.com>
Cc: "Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Ray Jui" <rjui@broadcom.com>,
"Scott Branden" <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com, linux-pci@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] PCI: iproc: Support multi-MSI only on uniprocessor kernel
Date: Sun, 06 Jun 2021 14:28:12 +0100 [thread overview]
Message-ID: <ee29ebea89cdde2ae891a53c92a8b7a1@kernel.org> (raw)
In-Reply-To: <20210606123044.31250-2-sbodomerle@gmail.com>
On 2021-06-06 13:30, Sandor Bodo-Merle wrote:
> The interrupt affinity scheme used by this driver is incompatible with
> multi-MSI as it implies moving the doorbell address to that of another
> MSI
> group. This isn't possible for multi-MSI, as all the MSIs must have
> the
> same doorbell address. As such it is restricted to systems with a
> single
> CPU.
>
> Fixes: fc54bae28818 ("PCI: iproc: Allow allocation of multiple MSIs")
> Reported-by: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Sandor Bodo-Merle <sbodomerle@gmail.com>
Acked-by: Marc Zyngier <maz@kernel.org>
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2021-06-06 13:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-06 12:30 [PATCH 1/2] PCI: iproc: fix the base vector number allocation for multi-MSI Sandor Bodo-Merle
2021-06-06 12:30 ` [PATCH 2/2] PCI: iproc: Support multi-MSI only on uniprocessor kernel Sandor Bodo-Merle
2021-06-06 13:28 ` Marc Zyngier [this message]
2021-06-07 16:48 ` Ray Jui
2021-06-07 21:18 ` Pali Rohár
2021-06-21 14:47 ` Lorenzo Pieralisi
2021-06-22 15:26 ` [PATCH v2 1/2] PCI: iproc: Fix multi-MSI base vector number allocation Sandor Bodo-Merle
2021-06-22 15:44 ` Lorenzo Pieralisi
2021-06-22 15:26 ` [PATCH v2 2/2] PCI: iproc: Support multi-MSI only on uniprocessor kernel Sandor Bodo-Merle
2021-06-06 13:26 ` [PATCH 1/2] PCI: iproc: fix the base vector number allocation for multi-MSI Marc Zyngier
2021-06-06 14:10 ` Pali Rohár
2021-06-07 16:45 ` Ray Jui
2021-06-10 23:32 ` Bjorn Helgaas
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