Messages in this thread | | | Date | Wed, 23 Jan 2002 10:38:33 -0800 (PST) | Subject | Re: Athlon/AGP issue update | From | "David S. Miller" <> |
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From: "Albert D. Cahalan" <acahalan@cs.uml.edu> Date: Wed, 23 Jan 2002 12:09:40 -0500 (EST)
> Yes there most certainly are. The driver's MMAP method can fully edit > the page protection attributes for that mmap area as it pleases. That doesn't help for MAP_ANON pages.
But it helps _THIS_ case, DRM(dma_mmap) is where all AGP memory comes from and we can control the page protections for every page there.
If you want to start a thread about controlling cacheability generically from mmap() or whatever idea you have, please start a different thread and change the Subject. - 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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