Messages in this thread | | | Date | Sun, 25 Mar 2012 11:25:33 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] ACPI: Implement overriding of arbitrary ACPI tables via initrd |
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On Sat, Mar 24, 2012 at 03:44:10PM -0700, H. Peter Anvin wrote: > On 03/24/2012 03:21 PM, H. Peter Anvin wrote: > > The attached cpio-parsing code compiles to 458 bytes on x86-64 and 476 > > bytes on i386, and that is without any library dependencies at all. > > Again, it will completely stop at the first compressed data item, so any > > such kernel objects absolutely will have to be first. In good Linux > > tradition, it is also completely untested. > > > > However, given that very reasonable size I would think that this is a > > reasonable approach. Anyone who has a better suggestion for the > > namespace than "kernel/"? > > > > Slightly improved version with actually working memcmp()...
[..]
> /* > * findcpio.c > * > * Find a specific cpio member; must precede any compressed content.
Looks simple enough. Btw, there's some cpio handling already done in <init/initramfs.c> - probably reuse some of the code there...?
-- Regards/Gruss, Boris.
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