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From: Vivek Goyal <vgoyal@redhat.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
	Greg Kroah-Hartman <greg@kroah.com>,
	kexec@lists.infradead.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 0/6] kexec: A new system call to allow in kernel loading
Date: Thu, 21 Nov 2013 14:14:46 -0500	[thread overview]
Message-ID: <20131121191446.GL16208@redhat.com> (raw)
In-Reply-To: <CAMuHMdVoGC3+q2UKvogL=BjkXO3k3Dq9+gGF+7CczG-PJcQPxw@mail.gmail.com>

On Thu, Nov 21, 2013 at 08:06:02PM +0100, Geert Uytterhoeven wrote:
> On Wed, Nov 20, 2013 at 6:50 PM, Vivek Goyal <vgoyal@redhat.com> wrote:
> > Now a new system call kexec_file_load() is implemented which takes
> > kernel fd and initrd fd as parameters. Now kernel should be able
> > to verify signature of newly loaded kernel.
> 
> Only kernel fd and initrd fd?
> What about other fds (e.g. device tree, bootinfo)?

Now bootparams and any other stuff is prepared by kernel. So like a
bootloader we just need to know 3 things. Kernel, initrd and command line
and kernel should do the rest.

In future we can define few flags to alter the loading behavior. Like
force 32bit or 16bit entry instead of default 64bit for bzImage.

Thanks
Vivek

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  reply	other threads:[~2013-11-21 19:15 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-20 17:50 [PATCH 0/6] kexec: A new system call to allow in kernel loading Vivek Goyal
2013-11-20 17:50 ` [PATCH 1/6] kexec: Export vmcoreinfo note size properly Vivek Goyal
2013-11-21 18:59   ` Greg KH
2013-11-21 19:08     ` Vivek Goyal
2013-11-20 17:50 ` [PATCH 2/6] kexec: Move segment verification code in a separate function Vivek Goyal
2013-11-20 17:50 ` [PATCH 3/6] resource: Provide new functions to walk through resources Vivek Goyal
2013-11-20 17:50 ` [PATCH 4/6] kexec: A new system call, kexec_file_load, for in kernel kexec Vivek Goyal
2013-11-21 19:03   ` Greg KH
2013-11-21 19:06     ` Matthew Garrett
2013-11-21 19:13       ` Vivek Goyal
2013-11-21 19:19         ` Matthew Garrett
2013-11-21 19:24           ` Vivek Goyal
2013-11-22 18:57           ` Vivek Goyal
2013-11-23  3:39             ` Eric W. Biederman
2013-11-25 16:39               ` Vivek Goyal
2013-11-26 12:23                 ` Eric W. Biederman
2013-11-26 14:27                   ` Vivek Goyal
2013-12-19 12:54                     ` Torsten Duwe
2013-12-20 14:19                       ` Vivek Goyal
2013-12-20 23:11                         ` Eric W. Biederman
2013-12-20 23:20                           ` Kees Cook
2013-12-21 11:38                             ` Torsten Duwe
2014-01-02 20:39                             ` Vivek Goyal
2014-01-02 20:56                               ` H. Peter Anvin
2014-01-06 21:33                                 ` Josh Boyer
2014-01-07  4:22                                   ` H. Peter Anvin
2013-12-20 23:20                           ` H. Peter Anvin
2013-12-21  1:32                             ` Eric W. Biederman
2013-12-21  3:32                               ` H. Peter Anvin
2013-12-21 12:15                                 ` Torsten Duwe
2013-11-21 19:16     ` Vivek Goyal
2013-11-22  1:03     ` Kees Cook
2013-11-22  2:13       ` Vivek Goyal
2013-11-22 20:42   ` Jiri Kosina
2014-01-17 19:17     ` Vivek Goyal
2013-11-29  3:10   ` Baoquan He
2013-12-02 15:27     ` WANG Chao
2013-12-02 15:44     ` Vivek Goyal
2013-12-04  1:35       ` Baoquan He
2013-12-04 17:19         ` Vivek Goyal
2013-12-04  1:56   ` Baoquan He
2013-12-04  8:19     ` Baoquan He
2013-12-04 17:32     ` Vivek Goyal
2013-11-20 17:50 ` [PATCH 5/6] kexec-bzImage: Support for loading bzImage using 64bit entry Vivek Goyal
2013-11-21 19:07   ` Greg KH
2013-11-21 19:21     ` Vivek Goyal
2013-11-22 15:24       ` H. Peter Anvin
2013-11-28 11:35   ` Baoquan He
2013-12-02 15:36     ` Vivek Goyal
2013-11-20 17:50 ` [PATCH 6/6] kexec: Support for Kexec on panic using new system call Vivek Goyal
2013-11-28 11:28   ` Baoquan He
2013-12-02 15:30     ` Vivek Goyal
2013-12-04  1:51       ` Baoquan He
2013-12-04 17:20         ` Vivek Goyal
2013-12-04  1:41   ` Baoquan He
2013-12-04 17:19     ` Vivek Goyal
2013-11-21 18:58 ` [PATCH 0/6] kexec: A new system call to allow in kernel loading Greg KH
2013-11-21 19:07   ` Vivek Goyal
2013-11-21 19:46     ` Vivek Goyal
2013-11-21 19:06 ` Geert Uytterhoeven
2013-11-21 19:14   ` Vivek Goyal [this message]
2013-11-21 23:07 ` Eric W. Biederman
2013-11-22  1:28   ` H. Peter Anvin
2013-11-22  2:35     ` Vivek Goyal
2013-11-22  2:40       ` H. Peter Anvin
2013-11-22  1:55   ` Vivek Goyal
2013-11-22  9:09     ` Geert Uytterhoeven
2013-11-22 13:30       ` Jiri Kosina
2013-11-22 13:46         ` Vivek Goyal
2013-11-22 13:50           ` Jiri Kosina
2013-11-22 15:33             ` Vivek Goyal
2013-11-22 17:45               ` Kees Cook
2013-11-22 13:43       ` Vivek Goyal
2013-11-22 15:25         ` Geert Uytterhoeven
2013-11-22 15:33           ` Jiri Kosina
2013-11-22 15:57             ` Eric Paris
2013-11-22 16:04               ` Jiri Kosina
2013-11-22 16:08                 ` Vivek Goyal
2013-11-22 13:34     ` Eric W. Biederman
2013-11-22 14:19       ` Vivek Goyal
2013-11-22 19:48         ` Greg KH
2013-11-23  3:23         ` Eric W. Biederman
2013-12-04 19:34           ` Vivek Goyal
2013-12-05  4:10             ` Eric W. Biederman
2013-11-25 10:04       ` Michael Holzheu
2013-11-25 15:36         ` Vivek Goyal
2013-11-25 16:15           ` Michael Holzheu
2013-11-22  0:55 ` HATAYAMA Daisuke
2013-11-22  2:03   ` Vivek Goyal
2013-12-03 13:23 ` Baoquan He

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