linux-kernel - Re: [PATCH] x86/microcode_intel_early.c: Get 32-bit physical address by __pa

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Message-ID: <20130321104018.GA18484@gmail.com>
Date:	Thu, 21 Mar 2013 11:40:18 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Fenghua Yu <fenghua.yu@...el.com>
Cc:	H Peter Anvin <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	penguin-kernel@...ove.SAKURA.ne.jp,
	linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH] x86/microcode_intel_early.c: Get 32-bit physical address
 by __pa_nodebug()


* Fenghua Yu <fenghua.yu@...el.com> wrote:

> +	initrd_start_p = (unsigned long *)__pa_nodebug(&initrd_start);
> +	initrd_start_addr = (unsigned long)__pa_nodebug(*initrd_start_p);

We should probably use __pa_early() for that - aliased to __pa_nodebug(). 
That would self-document the purpose.

Thanks,

	Ingo
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