From: "Huang, Ying" <ying.huang@intel.com>
To: Paul Jackson <pj@sgi.com>
Cc: hpa@zytor.com, andi@firstfloor.org, mingo@redhat.com,
tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm 2/4] x86_64 boot: Add linked list of struct setup_data
Date: Fri, 28 Mar 2008 10:09:41 +0800 [thread overview]
Message-ID: <1206670181.13404.7.camel@caritas-dev.intel.com> (raw)
In-Reply-To: <20080327063307.ac323913.pj@sgi.com>
On Thu, 2008-03-27 at 06:33 -0500, Paul Jackson wrote:
> Huang wrote:
> +/* setup data types */
> +#define SETUP_NONE 0
> +
> +/* extensible setup data list node */
> +struct setup_data {
> + u64 next;
> + u32 type;
> + u32 len;
> + u8 data[0];
> +};
>
>
> I don't understand what purpose the 'type' field serves.
The setup_data will not only be used for E820 extension. So a type field
is used to distinguish various setup_data.
Best Regards,
Huang Ying
next prev parent reply other threads:[~2008-03-28 2:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-27 7:09 [PATCH -mm 2/4] x86_64 boot: Add linked list of struct setup_data Huang, Ying
2008-03-27 11:25 ` Paul Jackson
2008-03-28 2:08 ` Huang, Ying
2008-03-29 6:20 ` Paul Jackson
2008-03-27 11:33 ` Paul Jackson
2008-03-28 2:09 ` Huang, Ying [this message]
2008-03-29 6:24 ` Paul Jackson
2008-03-29 17:06 ` H. Peter Anvin
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