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From: Vivek Goyal <vgoyal@redhat.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Haren Myneni <hbabu@us.ibm.com>,
	Simon Horman <horms@verge.net.au>,
	kexec@lists.infradead.org,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 0/8] kexec: put bzImage and ramdisk above 4G for x86 64bit
Date: Mon, 19 Nov 2012 16:00:01 -0500	[thread overview]
Message-ID: <20121119210001.GI10035@redhat.com> (raw)
In-Reply-To: <1353107067-14564-1-git-send-email-yinghai@kernel.org>

On Fri, Nov 16, 2012 at 03:04:19PM -0800, Yinghai Lu wrote:
> Now we have limit kdump reseved under 896M, because kexec has the limitation.
> and also bzImage need to stay under 4g.
> 
> kernel parts changes could be found at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot
> 
> here patches are for kexec tools to load bzImage and ramdisk high acccording
> to new added boot header fields.

So does this allow me to load other segments also above 4G? (purgatory,
setup/bootparams, command line etc). I remember that purgaotry has
some 32bit relocations so had to be loaded below 2G. 

Thanks
Vivek

> 
> Yinghai Lu (8):
>   Add min/max macro
>   x86: add boot header member for version 2.12
>   add mem64_min/max control
>   Move out mem_min/max checking in locate_hole
>   seperate checking 64bit mem range
>   debug print out for add_buf
>   x86: put ramdisk high for 64bit bzImage
>   x86: put 64bit bzImage high
> 
>  include/x86/x86-linux.h           |   20 ++++++++++-
>  kexec/add_buffer.c                |    9 ++++-
>  kexec/arch/i386/kexec-bzImage.c   |   53 ++++++++++++++++++++++++++--
>  kexec/arch/i386/x86-linux-setup.c |   32 ++++++++++++-----
>  kexec/arch/ppc/include/types.h    |   12 ------
>  kexec/kexec.c                     |   69 +++++++++++++++++++++++++++++-------
>  kexec/kexec.h                     |   21 +++++++++++-
>  7 files changed, 175 insertions(+), 41 deletions(-)
> 
> -- 
> 1.7.7

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  parent reply	other threads:[~2012-11-19 21:27 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-16 23:04 [PATCH 0/8] kexec: put bzImage and ramdisk above 4G for x86 64bit Yinghai Lu
2012-11-16 23:04 ` [PATCH 1/8] Add min/max macro Yinghai Lu
2012-11-16 23:04 ` [PATCH 2/8] x86: add boot header member for version 2.12 Yinghai Lu
2012-11-16 23:04 ` [PATCH 3/8] add mem64_min/max control Yinghai Lu
2012-11-17  6:18   ` Eric W. Biederman
2012-11-17  7:06     ` Yinghai Lu
2012-11-17  8:25       ` Eric W. Biederman
2012-11-17 20:04         ` Yinghai Lu
2012-11-17 20:41           ` H. Peter Anvin
2012-11-17 20:51             ` Yinghai Lu
2012-11-17 20:54               ` H. Peter Anvin
2012-11-18  0:44           ` Yinghai Lu
2012-11-18  4:34             ` H. Peter Anvin
2012-11-18  4:47               ` Eric W. Biederman
2012-11-18  4:55                 ` H. Peter Anvin
2012-11-18  5:00                   ` Eric W. Biederman
2012-11-18  5:14                     ` H. Peter Anvin
2012-11-18  4:56                 ` Yinghai Lu
2012-11-18  5:20                   ` Eric W. Biederman
2012-11-18  5:35                     ` Yinghai Lu
2012-11-18  5:39                       ` Yinghai Lu
2012-11-18  5:58                         ` Yinghai Lu
2012-11-18  6:11                           ` Eric W. Biederman
2012-11-18  6:32                             ` Yinghai Lu
2012-11-18  6:38                             ` Yinghai Lu
2012-11-18  6:50                               ` Eric W. Biederman
2012-11-18  6:53                                 ` Yinghai Lu
2012-11-18  7:18                                   ` Yinghai Lu
2012-11-18 10:38                                     ` Eric W. Biederman
2012-11-19  3:02                                       ` [PATCH 0/6] kexec: put bzImage and ramdisk above 4G for x86 64bit Yinghai Lu
2012-11-19  3:02                                         ` [PATCH 1/6] kexec, x86: add boot header member for version 2.12 Yinghai Lu
2012-11-19  3:02                                         ` [PATCH 2/6] kexec: don't die during buffer finding Yinghai Lu
2012-11-19  3:02                                         ` [PATCH 3/6] kexec, x86: put ramdisk high for 64bit bzImage Yinghai Lu
2012-11-19  3:02                                         ` [PATCH 4/6] kexec, x86: set ext_cmd_line_ptr when boot_param is put high Yinghai Lu
2012-11-19  3:02                                         ` [PATCH 5/6] kexec, x86: Make x64_64 purgatory relocatable above 4G Yinghai Lu
2012-11-19  3:02                                         ` [PATCH 6/6] kexec, x86_64: put 64bit bzImage high Yinghai Lu
2012-11-19  3:04                                       ` [PATCH v2 0/6] kexec: put bzImage and ramdisk above 4G for x86 64bit Yinghai Lu
2012-11-19  3:04                                         ` [PATCH v2 1/6] kexec, x86: add boot header member for version 2.12 Yinghai Lu
2012-11-19  3:04                                         ` [PATCH v2 2/6] kexec: don't die during buffer finding Yinghai Lu
2012-11-19 17:05                                           ` Eric W. Biederman
2012-11-19  3:04                                         ` [PATCH v2 3/6] kexec, x86: put ramdisk high for 64bit bzImage Yinghai Lu
2012-11-19 17:20                                           ` Eric W. Biederman
2012-11-19  3:04                                         ` [PATCH v2 4/6] kexec, x86: set ext_cmd_line_ptr when boot_param is put high Yinghai Lu
2012-11-19 17:22                                           ` Eric W. Biederman
2012-11-19  3:04                                         ` [PATCH v2 5/6] kexec, x86: Make x64_64 purgatory relocatable above 4G Yinghai Lu
2012-11-19  3:04                                         ` [PATCH v2 6/6] kexec, x86_64: put 64bit bzImage high Yinghai Lu
2012-11-19 17:28                                           ` Eric W. Biederman
2012-11-19 17:04                                         ` [PATCH v2 0/6] kexec: put bzImage and ramdisk above 4G for x86 64bit Eric W. Biederman
2012-11-18  6:24                         ` [PATCH 3/8] add mem64_min/max control H. Peter Anvin
2012-11-18  6:23                     ` H. Peter Anvin
2012-11-18  6:44                       ` Eric W. Biederman
2012-11-16 23:04 ` [PATCH 4/8] Move out mem_min/max checking in locate_hole Yinghai Lu
2012-11-16 23:04 ` [PATCH 5/8] seperate checking 64bit mem range Yinghai Lu
2012-11-16 23:04 ` [PATCH 6/8] debug print out for add_buf Yinghai Lu
2012-11-16 23:04 ` [PATCH 7/8] x86: put ramdisk high for 64bit bzImage Yinghai Lu
2012-11-16 23:04 ` [PATCH 8/8] x86: put 64bit bzImage high Yinghai Lu
2012-11-17  6:33   ` Eric W. Biederman
     [not found]     ` <CAE9FiQWJaT9yfdV0rgV-5rM=BR4eX8sr+a99g8Ggf-+YkD8qgQ@mail.gmail.com>
2012-11-17  8:43       ` Eric W. Biederman
2012-11-19 21:00 ` Vivek Goyal [this message]
2012-11-19 22:34   ` [PATCH 0/8] kexec: put bzImage and ramdisk above 4G for x86 64bit Yinghai Lu

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