linux-kernel - Re: [PATCH] x86, realmode: set real

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Message-ID: <bbda41ab-0b8c-45f9-a7e4-be05e7c9388d@email.android.com>
Date:	Thu, 27 Dec 2012 17:09:42 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Borislav Petkov <bp@...en8.de>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86, realmode: set real_mode permissions early

Seems ok.

Yinghai Lu <yinghai@...nel.org> wrote:

>On Thu, Dec 27, 2012 at 4:01 PM, H. Peter Anvin <hpa@...or.com> wrote:
>> On 12/27/2012 03:56 PM, Yinghai Lu wrote:
>>>>
>>>>
>>>> I'm looking at this patch in the -v8 branch: you need to update the
>>>> comment above that function to say that trampoline code needs to be
>>>> marked X now earlier.
>>>
>>>
>>> Not sure if we really need to add such comment in the code.
>>>
>>> Peter, what is your idea about this?
>>>
>>
>> It would be good to note why the early_initcall is the right phase.
>>
>
>How about:
>
>---
>Trampoline will be executed by APs with SMP,
>So we need to set it EXEC in do_pre_smp_initcalls and it is
>early_initcall.
>---

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.
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