linux-kernel - Re: [PATCH v2 1/4] lib: move pci

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Message-Id: <a2b006be-ab4c-4040-b3db-db68d9c77cda@app.fastmail.com>
Date:   Fri, 01 Dec 2023 15:43:35 +0100
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Philipp Stanner" <pstanner@...hat.com>,
        "Bjorn Helgaas" <bhelgaas@...gle.com>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        "Dan Williams" <dan.j.williams@...el.com>,
        "Jonathan Cameron" <Jonathan.Cameron@...wei.com>,
        "Jakub Kicinski" <kuba@...nel.org>,
        "Dave Jiang" <dave.jiang@...el.com>,
        "Uladzislau Koshchanka" <koshchanka@...il.com>,
        "Neil Brown" <neilb@...e.de>,
        "Niklas Schnelle" <schnelle@...ux.ibm.com>,
        "John Sanpe" <sanpeqf@...il.com>,
        "Kent Overstreet" <kent.overstreet@...il.com>,
        "Masami Hiramatsu" <mhiramat@...nel.org>,
        "Kees Cook" <keescook@...omium.org>,
        "David Gow" <davidgow@...gle.com>,
        "Yury Norov" <yury.norov@...il.com>,
        "wuqiang.matt" <wuqiang.matt@...edance.com>,
        "Jason Baron" <jbaron@...mai.com>,
        "Kefeng Wang" <wangkefeng.wang@...wei.com>,
        "Ben Dooks" <ben.dooks@...ethink.co.uk>,
        "Danilo Krummrich" <dakr@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] lib: move pci_iomap.c to drivers/pci/

On Fri, Dec 1, 2023, at 13:16, Philipp Stanner wrote:
> 
> -#ifdef CONFIG_PCI
>  /**

You should not remove the #ifdef here, it probably results in
a build failure when CONFIG_GENERIC_PCI_IOMAP is set and
GENERIC_PCI is not.

Alternatively you could use Kconfig or Makefile logic to
prevent the file from being built without CONFIG_PCI.

   Arnd