linux-kernel - Re: [PATCH] Mark early

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Message-ID: <47D7E2FB.2020801@zytor.com>
Date:	Wed, 12 Mar 2008 15:04:43 +0100
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	mingo@...hat.com, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] Mark early_printk as asmlinkage

Jiri Slaby wrote:
> It's not explicitly marked as asmlinkage, but invoked from x86_32
> startup code with parameters on stack.
> 
> No other architectures define early_printk and none of them are affected
> by this change, since defines asmlinkage as empty token.

NAK.

The regparm ABI for x86-32 uses parameters on the stack when the 
function is varadic (as it is here), so this is unnecessary.

	-hpa
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