linux-kernel - Re: [RFC 00/32] Kconfig: Introduce HAS_IOPORT and LEGACY

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Message-ID: <00c5a9e2-1876-e8d1-68f3-2be6d3bd38cb@huawei.com>
Date:   Thu, 6 Jan 2022 17:45:24 +0000
From:   John Garry <john.garry@...wei.com>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>,
        Arnd Bergmann <arnd@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Nick Hu <nickhu@...estech.com>,
        Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>,
        "Paul Walmsley" <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>, Guo Ren <guoren@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-arch@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-csky@...r.kernel.org>
Subject: Re: [RFC 00/32] Kconfig: Introduce HAS_IOPORT and LEGACY_PCI options

Hi Niklas,

On 27/12/2021 16:42, Niklas Schnelle wrote:
> I performed the following testing:
> 
> - On s390 this series on top of v5.16-rc7 builds with allyesconfig i.e. the
>    HAS_IOPORT=n case.

Are you sure that allyesconfig gives HAS_IOPORT=n? Indeed I see no 
mechanism is always disallow HAS_IOPORT for s390 (which I think we would 
want).

> It also builds with defconfig and the resulting kernel
>    appears fully functional including tests with PCI devices.

Thanks,
Johnw