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Date:   Sun, 06 Jun 2021 14:28:12 +0100
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>,
        =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= <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
In-Reply-To: <20210606123044.31250-2-sbodomerle@gmail.com>
References: <20210606123044.31250-1-sbodomerle@gmail.com>
 <20210606123044.31250-2-sbodomerle@gmail.com>
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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...