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Date: Thu, 23 Oct 2008 00:14:45 -0700 From: Keith Packard <keithp@...thp.com> To: Ingo Molnar <mingo@...e.hu> Cc: Jesse Barnes <jbarnes@...tuousgeek.org>, Nick Piggin <nickpiggin@...oo.com.au>, Dave Airlie <airlied@...ux.ie>, Yinghai Lu <yinghai@...nel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Keith Packard <keithp@...thp.com> Subject: Re: io resources and cached mappings (was: [git pull] drm patches for 2.6.27-rc1) > okay. So ... mind sending your io_mapping patch as a generic facility? > It looks all good to me in its present form, except that it should live > in include/linux/io.h, not in the drivers/gpu/drm/i915/io_reserve.h file > :-) The first patch in this series (assuming I'm driving git-send-email correctly) adds the io_mapping API. I ended up creating a new linux/io_mapping.h file as the kernel init code uses io.h and got very angry when I tried to include linux/highmem.h from that. I'm afraid I gave up at that point and just moved the code to a new file. The second patch switches the drm/i915 driver to the new API. Performance improvements on 64-bit kernels are impressive as we were using the slow path before and now get to take advantage of 64-bit wonderfulness. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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