From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, linux-mm@kvack.org
Subject: Re: [PATCH] io-mapping.h: s/PAGE_KERNEL_IO/PAGE_KERNEL/
Date: Tue, 23 Aug 2016 11:04:03 +0300 [thread overview]
Message-ID: <1471939443.3696.2.camel@linux.intel.com> (raw)
In-Reply-To: <20160823072253.26977-1-chris@chris-wilson.co.uk>
On ti, 2016-08-23 at 08:22 +0100, Chris Wilson wrote:
> PAGE_KERNEL_IO is an x86-ism. Though it is used to define the pgprot_t
> used for the iomapped region, it itself is just PAGE_KERNEL. On all
> other arches, PAGE_KERNEL_IO is undefined so in a general header we must
> refrain from using it.
>
There is;
#define __PAGE_KERNEL_IOA A A A A A A A A A A (__PAGE_KERNEL)
So no functional change, but will compile on all archs.
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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next prev parent reply other threads:[~2016-08-23 8:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-23 7:22 [PATCH] io-mapping.h: s/PAGE_KERNEL_IO/PAGE_KERNEL/ Chris Wilson
2016-08-23 8:04 ` Joonas Lahtinen [this message]
2016-08-23 12:05 ` Daniel Vetter
2016-08-23 12:21 ` Chris Wilson
2016-08-23 13:43 ` Daniel Vetter
2016-08-23 13:54 ` Chris Wilson
2016-08-23 15:50 ` [PATCH v2] " Chris Wilson
2016-08-23 16:32 ` Daniel Vetter
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