Messages in this thread | | | Subject | RE: [Lhms-devel] RE: memory hotremove prototype, take 3 | Date | Thu, 4 Dec 2003 08:12:54 -0800 | From | "Perez-Gonzalez, Inaky" <> |
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> From: Pavel Machek [mailto:pavel@suse.cz]
> > 1) the core kernel needs to be independent of physical memory position > > 1.1) same with drivers/subsystems > > 1.2) filesystems > > [it cannot be really incomplete because I have added all the code > > :/] > > ...and you have bad problem at any place where physical address is > passed to the hardware. UHCI is going to be "interesting".
That one falls under the category of "every device driver that talks in physical with its device" needs a callback to reallocate buffers or cancel and reissue transactions.
Still, when I started to hate UHCI's guts in 1997 I had a reason...it still holds true.
Iñaky Pérez-González -- Not speaking for Intel -- all opinions are my own (and my fault)
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