linux-kernel - Re: [PATCH v2 5/7] ACPI / x86: introduce acpi_os

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Date:	Tue, 10 Nov 2015 15:04:28 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	"Chen, Yu C" <yu.c.chen@...el.com>
Cc:	"Zheng, Lv" <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	"Brown, Len" <len.brown@...el.com>
Subject: Re: [PATCH v2 5/7] ACPI / x86: introduce acpi_os_readable() support

On Tue, Nov 10, 2015 at 11:42 AM, Chen, Yu C <yu.c.chen@...el.com> wrote:
> Hi, Lv
> Sorry for my late feedback on the patch, one minor nit below:

>> +     start_pfn = page_to_pfn(virt_to_page(pointer));
>> +     end_pfn = page_to_pfn(virt_to_page(pointer + length));
> Convert pointer to char* first?
> end_pfn = page_to_pfn(virt_to_page((char*)pointer + length));

Why do you need that?
void * + size_t = char * + size_t

-- 
With Best Regards,
Andy Shevchenko
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