Messages in this thread | | | Date | Sat, 8 Jan 2005 00:22:53 -0500 | From | Jon Smirl <> | Subject | Re: chasing the four level page table |
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On Thu, 6 Jan 2005 16:41:59 -0500, Dave Jones <davej@redhat.com> wrote: > No other device driver is also doing such lowlevel stuff with > page tables directly afaics. drivers/char/drm seem to be the only drivers > using [pgd|pmd|pte]_offset() routines.
On 6 Jan 2005 20:38:27 +0100, Andi Kleen <ak@muc.de> wrote: > Perhaps we should add a get_user_phys() or somesuch for this.
I think this is a case where the memory manager is missing a function that DRM needs. If there was a get_user_phys() function DRM wouldn't need to walk the page tables.
-- Jon Smirl jonsmirl@gmail.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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