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, Rob Landley <rob@landley.net>,
Matt Fleming <matt.fleming@intel.com>
Subject: Re: [PATCH v3 11/12] x86, boot: add fields to support load bzImage and ramdisk high
Date: Thu, 22 Nov 2012 10:51:21 -0800 [thread overview]
Message-ID: <50AE7429.6030308@zytor.com> (raw)
In-Reply-To: <CAE9FiQXKgnZyFNujKhMn94+0JQ6jtAHOihmtMOmk_gJi-4_aYQ@mail.gmail.com>
On 11/22/2012 10:50 AM, Yinghai Lu wrote:
>
> ok, I will use 0xc0 instead, and at the same time try to fix that from kexec.
>
> then user will still have chance to use old kexec tools without enable
> CONFIG_EFI_STUB in kernel.
>
If we can get the sentinel hack to work that would probably be useful,
but we need to understand the exact pathology.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-11-22 18:52 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-21 7:15 [PATCH v3 00/12] x86, boot, 64bit: Add support for loading ramdisk and bzImage high Yinghai Lu
2012-11-21 7:15 ` [PATCH v3 01/12] x86, boot: move verify_cpu.S after 0x200 Yinghai Lu
2012-11-21 17:23 ` H. Peter Anvin
2012-11-21 19:45 ` Yinghai Lu
2012-11-21 19:50 ` H. Peter Anvin
2012-11-21 20:15 ` Yinghai Lu
2012-11-22 5:48 ` Eric W. Biederman
[not found] ` <3178cb29-0e9e-44d2-b21f-45c53f38980a@email.android.com>
2012-11-22 11:27 ` Eric W. Biederman
2012-11-24 7:00 ` Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 02/12] x86, boot: Move lldt/ltr out of 64bit code section Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 03/12] x86, 64bit: set extra ident page table for whole kernel range Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 04/12] x86, 64bit: add support for loading kernel above 512G Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 05/12] x86: Merge early_reserve_initrd for 32bit and 64bit Yinghai Lu
2012-11-21 7:40 ` Pekka Enberg
2012-11-21 7:16 ` [PATCH v3 06/12] x86: add get_ramdisk_image/size Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 07/12] x86, boot: add get_cmd_line_ptr() Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 08/12] x86, boot: Don't check if cmd_line_ptr is accessible in misc/decompressor() Yinghai Lu
2012-11-21 17:21 ` H. Peter Anvin
2012-11-21 19:18 ` Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 09/12] x86, boot: update cmd_line_ptr to unsigned long Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 10/12] x86: use io_remap to access real_mode_data Yinghai Lu
2012-11-21 7:16 ` [PATCH v3 11/12] x86, boot: add fields to support load bzImage and ramdisk high Yinghai Lu
2012-11-21 17:17 ` H. Peter Anvin
2012-11-21 18:59 ` Yinghai Lu
2012-11-21 19:18 ` H. Peter Anvin
2012-11-22 5:56 ` Yinghai Lu
[not found] ` <a1ca794a-09d4-4d36-8c8c-67100cb3696e@email.android.com>
2012-11-22 6:47 ` Yinghai Lu
2012-11-22 6:58 ` Yinghai Lu
2012-11-22 15:59 ` H. Peter Anvin
2012-11-22 18:28 ` Yinghai Lu
2012-11-22 18:37 ` H. Peter Anvin
2012-11-22 18:50 ` Yinghai Lu
2012-11-22 18:51 ` H. Peter Anvin [this message]
2012-11-22 20:18 ` Yinghai Lu
2012-11-22 20:20 ` H. Peter Anvin
2012-11-22 20:29 ` Yinghai Lu
2012-11-22 20:50 ` H. Peter Anvin
2012-11-22 21:02 ` H. Peter Anvin
2012-11-22 22:13 ` Yinghai Lu
2012-11-24 12:37 ` Eric W. Biederman
2012-11-24 17:32 ` H. Peter Anvin
[not found] ` <CAE9FiQV0Q0fi7TrNjihdsUt0ueT4LLON4o+JEmX6ry9S6AU-ug@mail.gmail.com>
2012-11-24 18:24 ` H. Peter Anvin
2012-11-24 19:50 ` H. Peter Anvin
2012-11-24 21:30 ` Yinghai Lu
2012-11-24 21:38 ` H. Peter Anvin
2012-11-24 22:18 ` Yinghai Lu
2012-11-24 22:32 ` H. Peter Anvin
2012-11-24 23:24 ` Yinghai Lu
2012-11-24 23:50 ` Eric W. Biederman
2012-11-25 0:04 ` H. Peter Anvin
2012-11-25 0:11 ` Yinghai Lu
2012-11-25 5:50 ` Yinghai Lu
2012-11-25 5:52 ` H. Peter Anvin
2012-11-25 6:09 ` Yinghai Lu
2012-11-25 0:04 ` Yinghai Lu
2012-11-25 0:06 ` H. Peter Anvin
2012-11-21 7:16 ` [PATCH v3 12/12] x86: remove 1024g limitation for kexec buffer on 64bit Yinghai Lu
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