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From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	linux-kernel@vger.kernel.org,
	Matt Fleming <matt.fleming@intel.com>
Subject: Re: [PATCH v2 03/13] x86: Add macro for 64bit entry startup_64
Date: Tue, 20 Nov 2012 12:44:47 -0800	[thread overview]
Message-ID: <23b6f8fe-37cd-4cbb-9c90-511dab4e5b5b@email.android.com> (raw)
In-Reply-To: <CAE9FiQVrjRvQYNDdJFcyDFrr88B6v-86Zdq5a15kdHN_byDG3g@mail.gmail.com>

I don't see any point in three flags here.  Let's stick to one flag; then it fits in the existing boot_flags field.

Yinghai Lu <yinghai@kernel.org> wrote:

>On Mon, Nov 19, 2012 at 4:39 PM, Yinghai Lu <yinghai@kernel.org> wrote:
>> On Mon, Nov 19, 2012 at 3:55 PM, H. Peter Anvin <hpa@zytor.com>
>wrote:
>>> We probably should add a flag for those, but that is more of a
>boot_flag...
>>
>> kernel_cap_bits:
>> RAMDISK_ABOVE_4G  = (1<<0)
>> KERNEL_ABOVE_4G =(1<<2)
>> CMD_LINE_ABOVE 4G = (1<<1)
>>                 .long   (RAMDISK_ABOVE_4G | CMD_LINE_ABOVE_4G |
>KERNEL_ABOVE_4G)
>
>more complete version:
>
>kernel_cap_bits:
>RAMDISK_ABOVE_4G  = (1<<0)
>KERNEL_ABOVE_4G =(1<<1)
>BOOT_PARAMS_ABOVE_4G=(1<<2)
>CMD_LINE_ABOVE 4G = (1<<3)
>                .long   (RAMDISK_ABOVE_4G | BOOT_PARAMS_ABOVE_4G |
>CMD_LINE_ABOVE_4G | KERNEL_ABOVE_4G)

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

  reply	other threads:[~2012-11-20 20:45 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-18  7:09 [PATCH v2 00/13] x86, boot, 64bit: Add support for loading ramdisk and bzImage high Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 01/13] x86, boot: move verify_cpu.S after 0x200 Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 02/13] x86, boot: Move lldt/ltr out of 64bit code section Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 03/13] x86: Add macro for 64bit entry startup_64 Yinghai Lu
2012-11-19 22:42   ` H. Peter Anvin
2012-11-19 22:53     ` Yinghai Lu
2012-11-19 23:13       ` H. Peter Anvin
2012-11-19 23:46         ` Yinghai Lu
2012-11-19 23:55           ` H. Peter Anvin
2012-11-20  0:39             ` Yinghai Lu
2012-11-20 19:20               ` Yinghai Lu
2012-11-20 20:44                 ` H. Peter Anvin [this message]
2012-11-20 20:55                   ` Yinghai Lu
2012-11-20 21:12                     ` H. Peter Anvin
2012-11-21  0:20                       ` Yinghai Lu
2012-11-21  0:28                         ` H. Peter Anvin
2012-11-21  0:32                           ` Yinghai Lu
2012-11-21  0:34                             ` Yinghai Lu
2012-11-21  0:45                               ` H. Peter Anvin
2012-11-18  7:09 ` [PATCH v2 04/13] x86, 64bit: set extra ident page table for whole kernel range Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 05/13] x86, 64bit: add support for loading kernel above 512G Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 06/13] x86: Merge early_reserve_initrd for 32bit and 64bit Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 07/13] x86: add get_ramdisk_image/size Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 08/13] x86, boot: add get_cmd_line_ptr() Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 09/13] x86, boot: Don't check if cmd_line_ptr is accessible in misc/decompressor() Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 10/13] x86, boot: update cmd_line_ptr to unsigned long Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 11/13] x86: use io_remap to access real_mode_data Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 12/13] x86, boot: add fields to support load bzImage and ramdisk high Yinghai Lu
2012-11-18  7:09 ` [PATCH v2 13/13] x86: remove 1024g limitation for kexec buffer on 64bit Yinghai Lu

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