linux-kernel - Re: [PATCH 25/33] x86_64: 64bit PIC SMP trampoline

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Message-ID: <p738xm81d7m.fsf@verdi.suse.de>
Date:	01 Aug 2006 21:13:33 +0200
From:	Andi Kleen <ak@...e.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Horms <horms@...ge.net.au>,
	Jan Kratochvil <lace@...kratochvil.net>,
	"H. Peter Anvin" <hpa@...or.com>,
	Magnus Damm <magnus.damm@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 25/33] x86_64: 64bit PIC SMP trampoline

"Eric W. Biederman" <ebiederm@...ssion.com> writes:
> -	ljmpl	$__KERNEL32_CS, $(startup_32-__START_KERNEL_map)
> +
> +	# flush prefetch and jump to startup_32
> +	ljmpl	*(startup_32_vector - r_base)
> +
> +	.code32
> +	.balign 4
> +startup_32:

It would be nicer if you could factor out that code into
a common file between head.S and trampoline.S

-Andi

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