linux-kernel - Re: [PATCH -mm 2/4] x86_64 boot: Add linked list of struct setup

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Message-Id: <20080327063307.ac323913.pj@sgi.com>
Date:	Thu, 27 Mar 2008 06:33:07 -0500
From:	Paul Jackson <pj@....com>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	hpa@...or.com, andi@...stfloor.org, mingo@...hat.com,
	tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 2/4] x86_64 boot: Add linked list of struct
 setup_data

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.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@....com> 1.940.382.4214
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