Messages in this thread | | | Subject | Re: [bigmem-patch] 4GB with Linux on IA32 | Date | Tue, 17 Aug 1999 12:46:35 +0100 (BST) | From | Alan Cox <> |
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> I will give you one example of the type of cases that I am talking about. > In drivers/char/bttv.c, VIDIOCSFBUF ioctl seems to be setting the "vidadr" > to a kernel virtual address from the physical address present in the > user's pte. This will not work for bigmem pages.
Oh now I understand Linus rather bizarre message
VIDIOCSFBUF takes a physical base address. The &1 stuff thats i nthere is a debug hook that never got taken out. You can ignore the &1 case in that ioctl or just remove it.
Alan
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