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From:   "bibo, mao" <bibo.mao@gmail.com>
Message-ID: <8e310bd1-1fbc-36f7-7abc-5553fc20a85d@loongson.cn>
Date:   Fri, 16 Jun 2023 18:59:02 +0800
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Subject: Re: [PATCH v4] PCI: Align pci memory space base address with page
 size
To:     Will Deacon <will@kernel.org>
Cc:     Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org,
        linux-kernel@vger.kernel.org, Huacai Chen <chenhuacai@kernel.org>,
        loongarch@lists.linux.dev, loongson-kernel@lists.loongnix.cn
References: <20230609022047.2195689-1-maobibo@loongson.cn>
 <20230616093116.GA10423@willie-the-truck>
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在 2023/6/16 17:31, Will Deacon 写道:
> On Fri, Jun 09, 2023 at 10:20:47AM +0800, Bibo Mao wrote:
>> Some PCI devices have only 4K memory space size, it is normal in general
>> machines and aligned with page size. However some architectures which
>> support different page size, default page size on LoongArch is 16K, and
>> ARM64 supports page size varying from 4K to 64K.
> 
> Shouldn't we also select this new Kconfig option on arm64 then?
OK, will add this option on arm64 also in next version.

Regards
Bibo, Mao

> 
> Will