linux-kernel - Re: [PATCH v7u1 06/31] x86, 64bit, realmode: use init_level4_pgt to set trapmoline

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Message-ID: <CAE9FiQU4ZZJkHbVy-RFkY_P10RyQ6LREYz7B=w4hR=u3J+iQbg@mail.gmail.com>
Date:	Fri, 4 Jan 2013 14:01:42 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Sakkinen, Jarkko" <jarkko.sakkinen@...el.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Borislav Petkov <bp@...en8.de>, Jan Kiszka <jan.kiszka@....de>,
	Jason Wessel <jason.wessel@...driver.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7u1 06/31] x86, 64bit, realmode: use init_level4_pgt to
 set trapmoline_pgt directly

On Fri, Jan 4, 2013 at 9:18 AM, Sakkinen, Jarkko
<jarkko.sakkinen@...el.com> wrote:
> On Thu, 2013-01-03 at 16:48 -0800, Yinghai Lu wrote:
>> with #PF handler way to set early page table, level3_ident will go away with
>> 64bit native path.
>>
>> So just use entries in init_level4_pgt to set them in tramopline_pgt
>>
>> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>> Cc: Jarkko Sakkinen <jarkko.sakkinen@...el.com>
>
> Acked-by: Jarkko Sakkinen <jarkko.sakkinen@...el.com>

Thanks.

updated the patch, and would save some time for HPA.
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