linux-kernel - Re: [PATCH v7u1 23/31] x86, boot: update comments about entries for 64bit image

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Date:	Mon, 14 Jan 2013 10:37:39 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Borislav Petkov <bp@...en8.de>, Yinghai Lu <yinghai@...nel.org>,
	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>,
	Jan Kiszka <jan.kiszka@....de>,
	Jason Wessel <jason.wessel@...driver.com>,
	linux-kernel@...r.kernel.org, Rob Landley <rob@...dley.net>,
	Matt Fleming <matt.fleming@...el.com>
Subject: Re: [PATCH v7u1 23/31] x86, boot: update comments about entries for
 64bit image

On Mon, Jan 14, 2013 at 10:35 AM, Yinghai Lu <yinghai@...nel.org> wrote:
> On Mon, Jan 14, 2013 at 3:20 AM, Borislav Petkov <bp@...en8.de> wrote:
>>> the boot loader should
>>> +also fill the additional fields of the struct boot_params as that
>>
>>                                                         remove "that"
>>
>>> +described in zero-page.txt.
>>
>> Btw, you could document the sentinel mechanism here or in zero-page.txt,
>> for example.
>
>
> that is:
> ---
> The memory for struct boot_params
> could be allocated anywhere (even above 4G) and initialized to all zero.
> ---
>
> bootloader memset zero_page at first means.
> and all bootloader did that except kexec. and it is fixed patches for
> kexec-tools.

also I fix some errors that you mentioned, but not all of them
because I copied 32bit portion to 64bit and modified it.

So you  may submit patch to fix 32bit and 64bit at the same time if you like.

Thanks

Yinghai
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