linux-kernel - Re: [PATCH] PCIe: limit Max Read Request Size on i.MX to 512 bytes

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Message-ID: <m3v949ky2j.fsf@t19.piap.pl>
Date:   Fri, 13 Aug 2021 20:18:44 +0200
From:   Krzysztof Hałasa <khalasa@...p.pl>
To:     Rob Herring <robh@...nel.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        PCI <linux-pci@...r.kernel.org>,
        Artem Lapkin <email2tema@...il.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Huacai Chen <chenhuacai@...il.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński 
        <kw@...ux.com>, Richard Zhu <hongxing.zhu@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCIe: limit Max Read Request Size on i.MX to 512 bytes

Rob,

Rob Herring <robh@...nel.org> writes:

>> +++ b/drivers/pci/Kconfig
>> @@ -34,6 +34,9 @@ config PCI_DOMAINS_GENERIC
>>  config PCI_SYSCALL
>>         bool
>>
>> +config NEED_PCIE_MAX_MRRS
>
> We don't need a config option for this. It's not much code and it will
> effectively always be enabled with multi-platform kernels.

But... non-ARM kernels?
Then perhaps #if CONFIG_ARM?
-- 
Krzysztof "Chris" Hałasa

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