linux-kernel - Re: [PATCH v3 11/12] x86, boot: add fields to support load bzImage and ramdisk high

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Date:	Thu, 22 Nov 2012 07:59:07 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, Rob Landley <rob@...dley.net>,
	Matt Fleming <matt.fleming@...el.com>
Subject: Re: [PATCH v3 11/12] x86, boot: add fields to support load bzImage and ramdisk high

Looks good to me.

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

>On Wed, Nov 21, 2012 at 10:47 PM, Yinghai Lu <yinghai@...nel.org>
>wrote:
>> On Wed, Nov 21, 2012 at 9:58 PM, H. Peter Anvin <hpa@...or.com>
>wrote:
>>> Yes, lets...
>>>
>>>
>>>> also do you still think need to move ext_ramdisk...
>ext_cmd_line_ptr
>>>> from setup_header to boot_param ?
>>>
>
>how about:
>
>diff --git a/arch/x86/include/asm/bootparam.h
>b/arch/x86/include/asm/bootparam.h
>index 2ad874c..81b619e 100644
>--- a/arch/x86/include/asm/bootparam.h
>+++ b/arch/x86/include/asm/bootparam.h
>@@ -100,7 +100,10 @@ struct boot_params {
>        __u8  _pad2[4];                                 /* 0x054 */
>        __u64  tboot_addr;                              /* 0x058 */
>        struct ist_info ist_info;                       /* 0x060 */
>-       __u8  _pad3[16];                                /* 0x070 */
>+       __u32 ext_ramdisk_image;                        /* 0x070 */
>+       __u32 ext_ramdisk_size;                         /* 0x074 */
>+       __u32 ext_cmd_line_ptr;                         /* 0x078 */
>+       __u8  _pad3[4];                                 /* 0x07C */
>        __u8  hd0_info[16];     /* obsolete! */         /* 0x080 */
>        __u8  hd1_info[16];     /* obsolete! */         /* 0x090 */
>        struct sys_desc_table sys_desc_table;           /* 0x0a0 */

-- 
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