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Date: Sun, 25 Mar 2012 16:29:39 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Borislav Petkov <bp@...en8.de>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Thomas Renninger <trenn@...e.de>, eric.piel@...mplin-utc.net, vojcek@...n.pl, dsdt@...gusch.at, linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, x86@...nel.org, Lin Ming <ming.m.lin@...el.com>, lenb@...nel.org, robert.moore@...el.com, Al Viro <viro@...iv.linux.org.uk>, Harald Hoyer <harald@...hat.com> Subject: Re: [PATCH] ACPI: Implement overriding of arbitrary ACPI tables via initrd On 03/25/2012 02:25 AM, Borislav Petkov wrote: > >> /* >> * 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...? > Quite possible, but then you will have to untangle the dependencies. Keep in mind that it needs to be able to compile this in such a way that you have no library dependencies and no fixed address references (so that it can be invoked from the pre-paging code to get microcode updates in as early as at all possible.) So code reuse is a bit tricky at least for that specific use case. The ACPI code is less sensitive since it comes a lot later. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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