From: Pavel Machek <pavel@suse.cz>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: nigel@nigel.suspend2.net,
Kexec Mailing List <kexec@lists.infradead.org>,
linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-pm@lists.linux-foundation.org,
Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH -mm] kexec jump -v9
Date: Fri, 16 May 2008 14:13:28 +0200 [thread overview]
Message-ID: <20080516121328.GD22264@elf.ucw.cz> (raw)
In-Reply-To: <1210902514.23707.161.camel@caritas-dev.intel.com>
On Fri 2008-05-16 09:48:34, Huang, Ying wrote:
> On Thu, 2008-05-15 at 16:09 -0400, Vivek Goyal wrote:
> [...]
> > Ok, You want to make BIOS calls. We already do that using vm86 mode and
> > use bios real mode interrupts. So why do we need this interface? Or, IOW,
> > how is this interface better?
>
> It can call code in 32-bit physical mode in addition to real mode. So It
> can be used to call EFI runtime service, especially call EFI 64 runtime
> service under 32-bit kernel or vice versa.
>
> The main purpose of kexec jump is for hibernation. But I think if the
> effort is small, why not support general 32-bit physical mode code call
> at same time.
I believe we should focus on kexecing kernels, first.
Only way to prove the effort is small is by having small followup
patch, and that needs the two patches separated...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@suse.cz>
To: "Huang, Ying" <ying.huang@intel.com>
Cc: Vivek Goyal <vgoyal@redhat.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
nigel@nigel.suspend2.net, "Rafael J. Wysocki" <rjw@sisk.pl>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
linux-pm@lists.linux-foundation.org,
Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [PATCH -mm] kexec jump -v9
Date: Fri, 16 May 2008 14:13:28 +0200 [thread overview]
Message-ID: <20080516121328.GD22264@elf.ucw.cz> (raw)
In-Reply-To: <1210902514.23707.161.camel@caritas-dev.intel.com>
On Fri 2008-05-16 09:48:34, Huang, Ying wrote:
> On Thu, 2008-05-15 at 16:09 -0400, Vivek Goyal wrote:
> [...]
> > Ok, You want to make BIOS calls. We already do that using vm86 mode and
> > use bios real mode interrupts. So why do we need this interface? Or, IOW,
> > how is this interface better?
>
> It can call code in 32-bit physical mode in addition to real mode. So It
> can be used to call EFI runtime service, especially call EFI 64 runtime
> service under 32-bit kernel or vice versa.
>
> The main purpose of kexec jump is for hibernation. But I think if the
> effort is small, why not support general 32-bit physical mode code call
> at same time.
I believe we should focus on kexecing kernels, first.
Only way to prove the effort is small is by having small followup
patch, and that needs the two patches separated...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-05-16 12:12 UTC|newest]
Thread overview: 254+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-06 3:13 [PATCH -mm] kexec jump -v9 Huang, Ying
2008-03-06 3:13 ` Huang, Ying
2008-03-11 21:10 ` Vivek Goyal
2008-03-11 21:10 ` Vivek Goyal
2008-03-11 21:10 ` Vivek Goyal
2008-03-11 21:59 ` Nigel Cunningham
2008-03-11 21:59 ` Nigel Cunningham
2008-03-11 23:55 ` Eric W. Biederman
2008-03-11 23:55 ` Eric W. Biederman
2008-03-11 23:55 ` Eric W. Biederman
2008-03-12 0:09 ` david
2008-03-12 0:09 ` david
2008-03-12 0:09 ` david
2008-03-12 2:14 ` Huang, Ying
2008-03-12 2:14 ` Huang, Ying
2008-03-12 2:14 ` Huang, Ying
2008-03-12 18:53 ` Vivek Goyal
2008-03-12 18:53 ` Vivek Goyal
2008-03-12 18:53 ` Vivek Goyal
2008-03-13 0:01 ` Eric W. Biederman
2008-03-13 0:01 ` Eric W. Biederman
2008-03-13 0:01 ` Eric W. Biederman
2008-03-11 21:59 ` Nigel Cunningham
2008-03-11 22:18 ` Rafael J. Wysocki
2008-03-11 22:18 ` Rafael J. Wysocki
2008-03-12 2:02 ` Eric W. Biederman
2008-03-12 2:02 ` Eric W. Biederman
2008-03-12 2:02 ` Eric W. Biederman
2008-03-12 2:26 ` Huang, Ying
2008-03-12 2:26 ` Huang, Ying
2008-03-12 2:26 ` Huang, Ying
2008-03-11 22:18 ` Rafael J. Wysocki
2008-03-11 23:24 ` Pavel Machek
2008-03-11 23:24 ` Pavel Machek
2008-03-11 23:24 ` Pavel Machek
2008-03-11 23:49 ` Rafael J. Wysocki
2008-03-11 23:49 ` Rafael J. Wysocki
2008-03-11 23:49 ` Rafael J. Wysocki
2008-03-12 1:55 ` Huang, Ying
2008-03-12 1:55 ` Huang, Ying
2008-03-12 15:01 ` [linux-pm] " Alan Stern
2008-03-12 15:01 ` Alan Stern
2008-03-12 21:53 ` Rafael J. Wysocki
2008-03-12 21:53 ` [linux-pm] " Rafael J. Wysocki
2008-03-12 21:53 ` Rafael J. Wysocki
2008-03-13 0:33 ` Eric W. Biederman
2008-03-13 0:33 ` Eric W. Biederman
2008-03-13 17:03 ` Rafael J. Wysocki
2008-03-13 17:03 ` [linux-pm] " Rafael J. Wysocki
2008-03-13 17:03 ` Rafael J. Wysocki
2008-03-13 23:07 ` Eric W. Biederman
2008-03-13 23:07 ` [linux-pm] " Eric W. Biederman
2008-03-13 23:07 ` Eric W. Biederman
2008-03-14 1:31 ` Rafael J. Wysocki
2008-03-14 1:31 ` [linux-pm] " Rafael J. Wysocki
2008-03-14 1:31 ` Rafael J. Wysocki
2008-03-18 16:56 ` Eric W. Biederman
2008-03-18 16:56 ` [linux-pm] " Eric W. Biederman
2008-03-18 23:52 ` Pavel Machek
2008-03-18 23:52 ` Pavel Machek
2008-03-18 23:52 ` Pavel Machek
2008-03-19 0:08 ` [linux-pm] " Rafael J. Wysocki
2008-03-19 0:08 ` Rafael J. Wysocki
2008-03-19 2:33 ` Alan Stern
2008-03-19 2:33 ` [linux-pm] " Alan Stern
2008-03-19 2:33 ` Alan Stern
2008-03-19 3:25 ` Eric W. Biederman
2008-03-19 3:25 ` Eric W. Biederman
2008-03-19 15:01 ` Alan Stern
2008-03-19 15:01 ` [linux-pm] " Alan Stern
2008-03-19 15:01 ` Alan Stern
2008-03-19 19:28 ` Rafael J. Wysocki
2008-03-19 19:28 ` [linux-pm] " Rafael J. Wysocki
2008-03-19 19:28 ` Rafael J. Wysocki
2008-03-20 10:40 ` Pavel Machek
2008-03-20 10:40 ` [linux-pm] " Pavel Machek
2008-03-20 10:40 ` Pavel Machek
2008-03-20 22:45 ` Rafael J. Wysocki
2008-03-20 22:45 ` [linux-pm] " Rafael J. Wysocki
2008-03-20 22:45 ` Rafael J. Wysocki
2008-03-20 23:01 ` Alan Stern
2008-03-20 23:01 ` Alan Stern
2008-03-20 23:22 ` Pavel Machek
2008-03-20 23:22 ` Pavel Machek
2008-03-20 23:40 ` Rafael J. Wysocki
2008-03-20 23:40 ` [linux-pm] " Rafael J. Wysocki
2008-03-20 23:40 ` Rafael J. Wysocki
2008-03-21 0:36 ` Rafael J. Wysocki
2008-03-21 0:36 ` Rafael J. Wysocki
2008-03-21 0:36 ` Rafael J. Wysocki
2008-03-21 0:52 ` Alan Stern
2008-03-21 0:52 ` [linux-pm] " Alan Stern
2008-03-21 0:52 ` Alan Stern
2008-03-21 22:05 ` Nigel Cunningham
2008-03-21 22:05 ` [linux-pm] " Nigel Cunningham
2008-03-21 22:05 ` Nigel Cunningham
2008-03-22 16:21 ` Pavel Machek
2008-03-22 16:21 ` [linux-pm] " Pavel Machek
2008-03-22 16:21 ` Pavel Machek
2008-03-22 17:45 ` Rafael J. Wysocki
2008-03-22 17:45 ` Rafael J. Wysocki
2008-03-22 20:49 ` Alan Stern
2008-03-22 20:49 ` Alan Stern
2008-03-22 21:29 ` Rafael J. Wysocki
2008-03-22 21:29 ` [linux-pm] " Rafael J. Wysocki
2008-03-22 21:29 ` Rafael J. Wysocki
2008-05-14 22:38 ` Eric W. Biederman
2008-05-14 22:38 ` [linux-pm] " Eric W. Biederman
2008-05-14 22:38 ` Eric W. Biederman
2008-05-14 23:47 ` Rafael J. Wysocki
2008-05-14 23:47 ` Rafael J. Wysocki
2008-05-15 20:55 ` Eric W. Biederman
2008-05-15 20:55 ` [linux-pm] " Eric W. Biederman
2008-05-15 20:55 ` Eric W. Biederman
2008-05-15 21:20 ` Rafael J. Wysocki
2008-05-15 21:20 ` Rafael J. Wysocki
2008-05-15 21:20 ` Rafael J. Wysocki
2008-05-14 23:47 ` Rafael J. Wysocki
2008-03-22 20:49 ` Alan Stern
2008-03-22 17:45 ` Rafael J. Wysocki
2008-03-20 23:22 ` Pavel Machek
2008-03-20 23:01 ` Alan Stern
2008-03-19 0:08 ` Rafael J. Wysocki
2008-05-14 20:41 ` Maxim Levitsky
2008-05-14 20:41 ` [linux-pm] " Maxim Levitsky
2008-05-14 20:41 ` Maxim Levitsky
2008-05-14 23:34 ` Eric W. Biederman
2008-05-14 23:34 ` Eric W. Biederman
2008-05-14 23:34 ` Eric W. Biederman
2008-03-13 0:33 ` Eric W. Biederman
2008-03-12 15:01 ` Alan Stern
2008-03-12 1:55 ` Huang, Ying
2008-03-12 8:57 ` Pavel Machek
2008-03-12 8:57 ` Pavel Machek
2008-03-12 8:57 ` Pavel Machek
2008-03-12 0:00 ` Nigel Cunningham
2008-03-12 0:00 ` Nigel Cunningham
2008-03-12 0:00 ` Nigel Cunningham
2008-03-12 1:45 ` Huang, Ying
2008-03-12 1:45 ` Huang, Ying
2008-03-12 1:45 ` Huang, Ying
2008-03-12 2:17 ` Eric W. Biederman
2008-03-12 2:17 ` Eric W. Biederman
2008-03-12 6:54 ` Huang, Ying
2008-03-12 6:54 ` Huang, Ying
2008-03-12 6:54 ` Huang, Ying
2008-03-12 19:37 ` Vivek Goyal
2008-03-12 19:37 ` Vivek Goyal
2008-03-14 8:03 ` Huang, Ying
2008-03-14 8:03 ` Huang, Ying
2008-03-14 8:03 ` Huang, Ying
2008-03-21 19:12 ` Vivek Goyal
2008-03-21 19:12 ` Vivek Goyal
2008-03-21 19:12 ` Vivek Goyal
2008-03-25 7:25 ` Huang, Ying
2008-03-25 7:25 ` Huang, Ying
2008-03-25 7:25 ` Huang, Ying
2008-03-12 19:37 ` Vivek Goyal
2008-03-12 2:17 ` Eric W. Biederman
2008-03-12 19:47 ` Vivek Goyal
2008-03-12 19:47 ` Vivek Goyal
2008-03-12 19:47 ` Vivek Goyal
2008-04-09 9:34 ` Pavel Machek
2008-04-09 9:34 ` Pavel Machek
2008-04-09 9:34 ` Pavel Machek
2008-04-09 12:30 ` Vivek Goyal
2008-04-09 12:30 ` Vivek Goyal
2008-04-09 12:30 ` Vivek Goyal
2008-05-14 16:03 ` Vivek Goyal
2008-05-14 16:03 ` Vivek Goyal
2008-05-14 17:49 ` Vivek Goyal
2008-05-14 17:49 ` Vivek Goyal
2008-05-14 17:49 ` Vivek Goyal
2008-05-14 16:03 ` Vivek Goyal
2008-05-14 20:52 ` Vivek Goyal
2008-05-14 20:52 ` Vivek Goyal
2008-05-14 20:52 ` Vivek Goyal
2008-05-15 2:32 ` Huang, Ying
2008-05-15 2:32 ` Huang, Ying
2008-05-15 2:32 ` Huang, Ying
2008-05-15 20:09 ` Vivek Goyal
2008-05-15 20:09 ` Vivek Goyal
2008-05-15 20:09 ` Vivek Goyal
2008-05-16 1:48 ` Huang, Ying
2008-05-16 1:48 ` Huang, Ying
2008-05-16 1:48 ` Huang, Ying
2008-05-16 1:51 ` Vivek Goyal
2008-05-16 1:51 ` Vivek Goyal
2008-05-16 2:08 ` Huang, Ying
2008-05-16 2:08 ` Huang, Ying
2008-05-16 2:08 ` Huang, Ying
2008-05-16 1:51 ` Vivek Goyal
2008-05-16 12:13 ` Pavel Machek
2008-05-16 12:13 ` Pavel Machek [this message]
2008-05-16 12:13 ` Pavel Machek
2008-05-15 5:41 ` Huang, Ying
2008-05-15 5:41 ` Huang, Ying
2008-05-15 18:42 ` Eric W. Biederman
2008-05-15 18:42 ` Eric W. Biederman
2008-05-15 18:42 ` Eric W. Biederman
2008-05-16 0:51 ` Vivek Goyal
2008-05-16 0:51 ` Vivek Goyal
2008-05-16 0:51 ` Vivek Goyal
2008-05-16 1:35 ` Eric W. Biederman
2008-05-16 1:35 ` Eric W. Biederman
2008-05-16 1:35 ` Eric W. Biederman
2008-05-16 1:55 ` Huang, Ying
2008-05-16 1:55 ` Huang, Ying
2008-05-16 1:55 ` Huang, Ying
2008-05-27 7:27 ` Huang, Ying
2008-05-27 7:27 ` Huang, Ying
2008-05-27 22:15 ` Vivek Goyal
2008-05-27 22:15 ` Vivek Goyal
2008-05-28 1:35 ` Huang, Ying
2008-05-28 1:35 ` Huang, Ying
2008-05-28 1:35 ` Huang, Ying
2008-05-27 22:15 ` Vivek Goyal
2008-05-27 7:27 ` Huang, Ying
2008-05-15 5:41 ` Huang, Ying
2008-05-14 22:30 ` Eric W. Biederman
2008-05-14 22:30 ` Eric W. Biederman
2008-05-14 23:55 ` Rafael J. Wysocki
2008-05-14 23:55 ` Rafael J. Wysocki
2008-05-14 23:55 ` Rafael J. Wysocki
2008-05-15 22:03 ` Eric W. Biederman
2008-05-15 22:03 ` Eric W. Biederman
2008-05-15 23:20 ` Rafael J. Wysocki
2008-05-15 23:20 ` Rafael J. Wysocki
2008-05-15 23:20 ` Rafael J. Wysocki
2008-05-16 12:18 ` Pavel Machek
2008-05-16 12:18 ` Pavel Machek
2008-05-16 12:18 ` Pavel Machek
2008-05-16 14:20 ` [linux-pm] " Alan Stern
2008-05-16 14:20 ` Alan Stern
2008-05-16 14:20 ` Alan Stern
2008-05-15 22:03 ` Eric W. Biederman
2008-05-15 1:42 ` Huang, Ying
2008-05-15 1:42 ` Huang, Ying
2008-05-15 1:42 ` Huang, Ying
2008-05-15 19:05 ` Rafael J. Wysocki
2008-05-15 19:05 ` Rafael J. Wysocki
2008-05-15 19:05 ` Rafael J. Wysocki
2008-05-15 14:14 ` [linux-pm] " Alan Stern
2008-05-15 14:14 ` Alan Stern
2008-05-15 20:48 ` Eric W. Biederman
2008-05-15 20:48 ` [linux-pm] " Eric W. Biederman
2008-05-15 20:48 ` Eric W. Biederman
2008-05-15 21:07 ` Alan Stern
2008-05-15 21:07 ` [linux-pm] " Alan Stern
2008-05-15 21:07 ` Alan Stern
2008-05-15 21:07 ` Alan Stern
2008-05-15 14:14 ` Alan Stern
2008-05-14 22:30 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2008-03-06 3:13 Huang, Ying
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080516121328.GD22264@elf.ucw.cz \
--to=pavel@suse.cz \
--cc=akpm@linux-foundation.org \
--cc=ebiederm@xmission.com \
--cc=kexec@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@lists.linux-foundation.org \
--cc=nigel@nigel.suspend2.net \
--cc=rjw@sisk.pl \
--cc=vgoyal@redhat.com \
--cc=ying.huang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.