linux-kernel - Re: [PATCH 2/2] x86/head_64.S: Pass struct boot

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Message-ID: <20170307104054.mnomwgocds5it3ia@pd.tnic>
Date:   Tue, 7 Mar 2017 11:40:54 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 2/2] x86/head_64.S: Pass struct boot_params' virtual
 address to C

On Tue, Mar 07, 2017 at 10:11:40AM +0100, Ingo Molnar wrote:
> The updated comments and other details are fine, but I'm not sure about the __va() 
> change: the patch essentially open codes __va() in assembly - which would make any 
> changes to __va() [for whatever reason] more difficult, right?
> 
> Right now we don't seem to have a single such line of assembly, so changes to 
> __va() can be done in C alone.

Ok, that's a fair point.

-- 
Regards/Gruss,
    Boris.

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