Messages in this thread | | | Date | Wed, 24 Mar 2004 19:55:02 -0800 | From | Andrew Morton <> | Subject | Re: [patch 1/22] Add __early_param for all arches |
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trini@kernel.crashing.org wrote: > > Hello. The following is outcome of talking with David Woodhouse about > the need in various parts of the kernel to parse the command line very > early and set some options based on what we read. The result is > __early_param("arg", fn) based very heavily on the macro of the same name > in the arm kernel. The following is the core of these changes, adding the > macro, struct and externs to <linux/init.h>, the parser to init/main.c > and converting console= to this format. As a follow on to this thread are > patches against all arches (vs 2.6.5-rc2) to use the global define of > saved_command_line, add the appropriate bits to > arch/$(ARCH)/kernel/vmlinux.lds.S and in some cases, convert params > from the old arch-specific variant to the new __early_param way.
I don't recall seeing this requirement mentioned before, and that's a ton of patches you have there.
Please tell us a little more about why we need these patches. (Apart from what seems to be a moderate amount of code consolidation).
Also, what is different between __setup and __early_setup? Why is it not possible to make __setup run sufficiently early for whatever application is requiring these changes?
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