Messages in this thread | | | From | Andi Kleen <> | Subject | Re: Patch to make the head.S-must-be-first-in-vmlinux order explicit | Date | Thu, 23 Feb 2006 14:42:19 +0100 |
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On Thursday 23 February 2006 14:19, Arjan van de Ven wrote: > This patch puts the code from head.S in a special .bootstrap.text > section. > > I'm working on a patch to reorder the functions in the kernel (I'll post > that later), but for x86-64 at least the kernel bootstrap requires that the > head.S functions are on the very first page/pages of the kernel text. This > is understandable since the bootstrap is complex enough already and not a > problem at all, it just means they aren't allowed to be reordered. This > patch puts these special functions into a separate section to document this, > and to guarantee this in the light of possibly reordering the rest later. > > (So this patch doesn't fix a bug per se, but makes things more robust by > making the order of these functions explicit)
I don't think the 64bit kernel code requires this actually (or at least it shouldn't), but arch/x86_64/boot/compressed/head.S seems to have the entry address hardcoded. Perhaps you can just change this to pass in the right address?
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