From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hanjun Guo <guohanjun@huawei.com>
Subject: Re: [PATCH v2 2/5] ACPI / boot: Correct address space of
 __acpi_map_table()
Date: Tue, 18 Jul 2017 17:55:16 +0800
Message-ID: <596DDB04.7080202@huawei.com>
References: <20170717102404.27191-1-andriy.shevchenko@linux.intel.com>
 <20170717102404.27191-3-andriy.shevchenko@linux.intel.com>
 <CAMuHMdVSzWRsEmZRpkLN8RdnwrudyrbQiYT-8g3-BwxiSxrk7A@mail.gmail.com>
 <1500369795.29303.63.camel@linux.intel.com>
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To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Rafael J . Wysocki" <rjw@rjwysocki.net>, Linux PM list <linux-pm@vger.kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>, the arch/x86 maintainers <x86@kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, ACPI Devel Maling List <linux-acpi@vger.kernel.org>
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On 2017/7/18 17:23, Andy Shevchenko wrote:
> On Tue, 2017-07-18 at 11:03 +0200, Geert Uytterhoeven wrote:
>> Hi Andy,
>>
>> On Mon, Jul 17, 2017 at 12:24 PM, Andy Shevchenko
>> <andriy.shevchenko@linux.intel.com> wrote:
>>> Sparse complains about wrong address space used in
>>> __acpi_map_table()
>>> and in __acpi_unmap_table().
>>>
>>> arch/x86/kernel/acpi/boot.c:127:29: warning: incorrect type in
>>> return expression (different address spaces)
>>> arch/x86/kernel/acpi/boot.c:127:29:    expected char *
>>> arch/x86/kernel/acpi/boot.c:127:29:    got void [noderef] <asn:2>*
>>> arch/x86/kernel/acpi/boot.c:135:23: warning: incorrect type in
>>> argument 1 (different address spaces)
>>> arch/x86/kernel/acpi/boot.c:135:23:    expected void [noderef]
>>> <asn:2>*addr
>>> arch/x86/kernel/acpi/boot.c:135:23:    got char *map
>>>
>>> Correct address space to be in align of type of returned and passed
>>> parameter.
>>>
>>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>>> ---
>>>  arch/arm64/kernel/acpi.c    | 4 ++--
>> Thanks for the update!
>> I can confirm this fixes the arm64 build for me.
> Thanks to you and thanks to kbuild bot to check for ia64!
>
> I will send v3 soon with fixed this part and extended patch 5.

Ah, sorry, there are some delays when I got this email...,
forget about my comments on patch 5.

Thanks
Hanjun