** Reply to message from Alan Cox <[EMAIL PROTECTED]> on Sat, 30 Sep 2000 00:24:43 +0100 (BST) > > Unfortunately, this mapping is a requirement for our product. I'd hate to have > > to create my own pte's and do it all manually. > > If you are doing it at boot time as Id expect then you may need to - the SMP > code for bootstrapping has to do pte stuff itself for the same reason No, I'm not doing it at boot time, I'm doing it when my driver loads. Granted, the driver will usually by loaded once when the system boots, but it can be loaded at any time. I'm trying to make my driver as independent of the kernel as possible, and I'm 99% there. Anyway, my original question has not yet been answered: why is it that I can ioremap() any physical page by simply setting one bit, but I cannot always iounmap() it? Why can't iounmap() simply undo what ioremap() did? -- Timur Tabi - [EMAIL PROTECTED] Interactive Silicon - http://www.interactivesi.com When replying to a mailing-list message, please don't cc: me, because then I'll just get two copies of the same message. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
