linux-kernel - Re: [RFC 7/8] Call early

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Message-Id: <200812041017.23599.rusty@rustcorp.com.au>
Date:	Thu, 4 Dec 2008 10:17:23 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	David Howells <dhowells@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC 7/8] Call early_param earlier.

On Thursday 04 December 2008 00:14:10 David Howells wrote:
> Rusty Russell <rusty@...tcorp.com.au> wrote:
> >  	parse_args("Core params", boot_command_line, __start___core_param,
> >  		   __stop___core_param - __start___core_param,
> >  		   unknown_core_ok, true);
> > +	/* All fall through to do_early_param. */
> > +	parse_args("early options", boot_command_line, NULL, 0, do_early_param,
> > +		   true);
>
> Why have two separate lists since they are processed contiguously?

You're right.  I don't think we care about people who have early_param of same
name as core_param; they deserve horrible death anyway.

param: combine core_param and early_param parsing.

David Howells points out that we can now do early_param and core_param
in a single pass of parse_args.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
Cc: David Howells <dhowells@...hat.com>
---
 init/main.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/init/main.c b/init/main.c
--- a/init/main.c
+++ b/init/main.c
@@ -548,12 +548,10 @@ asmlinkage void __init start_kernel(void
 asmlinkage void __init start_kernel(void)
 {
 	arch_get_boot_command_line();
-	parse_args("Core params", boot_command_line, __start___core_param,
+	parse_args("Core and early params", boot_command_line,
+		   __start___core_param,
 		   __stop___core_param - __start___core_param,
-		   unknown_core_ok, true);
-	/* All fall through to do_early_param. */
-	parse_args("early options", boot_command_line, NULL, 0, do_early_param,
-		   true);
+		   do_early_param, true);
 
 	smp_setup_processor_id();
 

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