Re: [PATCH] ACPI: Implement overriding of arbitrary ACPI tables viainitrd

[Borislav Petkov]

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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/