linux-kernel - Re: [PATCH v3 1/3] resource: Add @flags to region

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Date:	Thu, 3 Dec 2015 19:40:51 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Toshi Kani <toshi.kani@....com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dan Williams <dan.j.williams@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Tony Luck <tony.luck@...el.com>,
	Vishal L Verma <vishal.l.verma@...el.com>,
	Linux MM <linux-mm@...ck.org>,
	"linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/3] resource: Add @flags to region_intersects()

On Thu, Dec 03, 2015 at 11:54:19AM -0700, Toshi Kani wrote:
> Adding a new type for regular memory will require inspecting the codes
> using IORESOURCE_MEM currently, and modify them to use the new type if
> their target ranges are regular memory.  There are many references to this
> type across multiple architectures and drivers, which make this inspection
> and testing challenging.

What's wrong with adding a new type_flags to struct resource and not
touching IORESOURCE_* at all?

They'll be called something like RES_TYPE_RAM, _PMEM, _SYSMEM...

Or would that confuse more...?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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