From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <nigel@nigel.suspend2.net>,
nigel@suspend2.net,
Kexec Mailing List <kexec@lists.infradead.org>,
linux-kernel@vger.kernel.org, Kyle Moffett <mrmacman_g4@mac.com>,
Alan Stern <stern@rowland.harvard.edu>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Huang, Ying" <ying.huang@intel.com>,
linux-pm@lists.linux-foundation.org,
huang ying <huang.ying.caritas@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jeremy Maitin-Shepard <jbms@cmu.edu>
Subject: Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Wed, 24 Oct 2007 22:38:02 +0200 [thread overview]
Message-ID: <200710242238.02978.rjw@sisk.pl> (raw)
In-Reply-To: <20071011205445.GA3975@ucw.cz>
On Thursday, 11 October 2007 22:54, Pavel Machek wrote:
> Hi!
>
> > > That's certainly possible. We already pass a very small amount of data between
> > > the boot and resuming kernels at the moment, and it's done quite simply - by
> > > putting the variables we want to 'transfer' in a nosave page/section.
> >
> > Well, if the boot and image kernels are different, which is now possible on
> > x86_64 with some recent patches (currently in -mm), the nosave trick won't
> > work.
>
> I guess we should remove the nosave.... at least from x86-64. If
> someone tries to use it, he'll get a nasty surprise.
Agreed.
I'll try to prepare a patch for that when I have a bit of time.
Greetings,
Rafael
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
WARNING: multiple messages have this Message-ID (diff)
From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <nigel@nigel.suspend2.net>,
Kyle Moffett <mrmacman_g4@mac.com>,
Jeremy Maitin-Shepard <jbms@cmu.edu>,
Alan Stern <stern@rowland.harvard.edu>,
nigel@suspend2.net,
Kexec Mailing List <kexec@lists.infradead.org>,
linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Huang, Ying" <ying.huang@intel.com>,
linux-pm@lists.linux-foundation.org,
huang ying <huang.ying.caritas@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [linux-pm] Re: [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
Date: Wed, 24 Oct 2007 22:38:02 +0200 [thread overview]
Message-ID: <200710242238.02978.rjw@sisk.pl> (raw)
In-Reply-To: <20071011205445.GA3975@ucw.cz>
On Thursday, 11 October 2007 22:54, Pavel Machek wrote:
> Hi!
>
> > > That's certainly possible. We already pass a very small amount of data between
> > > the boot and resuming kernels at the moment, and it's done quite simply - by
> > > putting the variables we want to 'transfer' in a nosave page/section.
> >
> > Well, if the boot and image kernels are different, which is now possible on
> > x86_64 with some recent patches (currently in -mm), the nosave trick won't
> > work.
>
> I guess we should remove the nosave.... at least from x86-64. If
> someone tries to use it, he'll get a nasty surprise.
Agreed.
I'll try to prepare a patch for that when I have a bit of time.
Greetings,
Rafael
next prev parent reply other threads:[~2007-10-24 20:22 UTC|newest]
Thread overview: 166+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-20 5:34 [RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump Huang, Ying
2007-09-20 5:34 ` Huang, Ying
2007-09-20 10:09 ` Pavel Machek
2007-09-20 10:09 ` Pavel Machek
2007-09-21 0:24 ` Nigel Cunningham
2007-09-21 0:24 ` Nigel Cunningham
2007-09-21 0:24 ` Nigel Cunningham
2007-09-21 1:06 ` Andrew Morton
2007-09-21 1:06 ` Andrew Morton
2007-09-21 1:06 ` Andrew Morton
2007-09-21 1:19 ` Nigel Cunningham
2007-09-21 1:19 ` Nigel Cunningham
2007-09-21 1:19 ` Nigel Cunningham
2007-09-21 1:41 ` Andrew Morton
2007-09-21 1:41 ` Andrew Morton
2007-09-21 1:57 ` Nigel Cunningham
2007-09-21 1:57 ` Nigel Cunningham
2007-09-21 2:18 ` Huang, Ying
2007-09-21 2:18 ` Huang, Ying
2007-09-21 2:18 ` Huang, Ying
2007-09-21 2:25 ` Nigel Cunningham
2007-09-21 2:25 ` Nigel Cunningham
2007-09-21 2:45 ` Huang, Ying
2007-09-21 2:45 ` Huang, Ying
2007-09-21 2:58 ` Nigel Cunningham
2007-09-21 2:58 ` Nigel Cunningham
2007-09-21 4:46 ` Eric W. Biederman
2007-09-21 4:46 ` Eric W. Biederman
2007-09-21 9:45 ` Pavel Machek
2007-09-21 9:45 ` Pavel Machek
2007-09-26 20:30 ` Joseph Fannin
2007-09-26 20:30 ` Joseph Fannin
2007-09-26 20:52 ` Nigel Cunningham
2007-09-26 20:52 ` Nigel Cunningham
2007-09-26 20:52 ` Nigel Cunningham
2007-09-27 6:33 ` Huang, Ying
2007-09-27 6:33 ` Huang, Ying
2007-09-27 6:33 ` Huang, Ying
2007-09-27 6:35 ` Nigel Cunningham
2007-09-27 6:35 ` Nigel Cunningham
2007-09-27 6:35 ` Nigel Cunningham
2007-09-26 20:30 ` Joseph Fannin
2007-09-21 9:45 ` Pavel Machek
2007-09-21 4:46 ` Eric W. Biederman
2007-09-21 2:58 ` Nigel Cunningham
2007-09-22 22:02 ` Alon Bar-Lev
2007-09-22 22:02 ` Alon Bar-Lev
2007-09-22 22:02 ` Alon Bar-Lev
2007-09-21 2:45 ` Huang, Ying
2007-09-21 2:25 ` Nigel Cunningham
2007-09-21 3:33 ` Eric W. Biederman
2007-09-21 3:33 ` Eric W. Biederman
2007-09-21 12:09 ` Rafael J. Wysocki
2007-09-21 12:09 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 12:09 ` Rafael J. Wysocki
2007-09-21 13:14 ` huang ying
2007-09-21 13:14 ` huang ying
2007-09-21 14:31 ` Rafael J. Wysocki
2007-09-21 14:31 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 14:31 ` Rafael J. Wysocki
2007-09-21 14:45 ` Alan Stern
2007-09-21 15:27 ` Rafael J. Wysocki
2007-09-21 15:02 ` [linux-pm] " huang ying
2007-09-21 15:02 ` huang ying
2007-09-21 15:50 ` Rafael J. Wysocki
2007-09-21 15:50 ` Rafael J. Wysocki
2007-09-21 15:50 ` Rafael J. Wysocki
2007-09-21 15:02 ` huang ying
2007-09-21 18:11 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 18:11 ` Jeremy Maitin-Shepard
2007-09-21 19:00 ` Rafael J. Wysocki
2007-09-21 19:00 ` Rafael J. Wysocki
2007-09-21 19:00 ` Rafael J. Wysocki
2007-09-21 19:45 ` Alan Stern
2007-09-21 19:45 ` [linux-pm] " Alan Stern
2007-09-21 19:45 ` Alan Stern
2007-09-21 20:15 ` Rafael J. Wysocki
2007-09-21 20:15 ` Rafael J. Wysocki
2007-09-21 20:26 ` Jeremy Maitin-Shepard
2007-09-21 20:26 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 20:26 ` Jeremy Maitin-Shepard
2007-09-21 20:53 ` Rafael J. Wysocki
2007-09-21 20:53 ` Rafael J. Wysocki
2007-09-21 21:08 ` Jeremy Maitin-Shepard
2007-09-21 21:08 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 21:08 ` Jeremy Maitin-Shepard
2007-09-21 21:25 ` Rafael J. Wysocki
2007-09-21 21:25 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 21:25 ` Rafael J. Wysocki
2007-09-21 21:16 ` Jeremy Maitin-Shepard
2007-09-21 21:16 ` [linux-pm] " Jeremy Maitin-Shepard
2007-09-21 21:16 ` Jeremy Maitin-Shepard
2007-09-21 23:19 ` Kyle Moffett
2007-09-21 23:19 ` [linux-pm] " Kyle Moffett
2007-09-21 23:19 ` Kyle Moffett
2007-09-21 23:47 ` Nigel Cunningham
2007-09-21 23:47 ` [linux-pm] " Nigel Cunningham
2007-09-21 23:47 ` Nigel Cunningham
2007-09-22 10:40 ` Rafael J. Wysocki
2007-09-22 10:40 ` Rafael J. Wysocki
2007-10-11 20:54 ` Pavel Machek
2007-10-11 20:54 ` [linux-pm] " Pavel Machek
2007-10-11 20:54 ` Pavel Machek
2007-10-24 20:38 ` Rafael J. Wysocki
2007-10-24 20:38 ` Rafael J. Wysocki [this message]
2007-10-24 20:38 ` [linux-pm] " Rafael J. Wysocki
2007-09-22 10:40 ` Rafael J. Wysocki
2007-09-22 10:34 ` Rafael J. Wysocki
2007-09-22 10:34 ` [linux-pm] " Rafael J. Wysocki
2007-09-22 10:34 ` Rafael J. Wysocki
2007-09-22 18:00 ` Kyle Moffett
2007-09-22 18:00 ` Kyle Moffett
2007-09-22 21:51 ` Rafael J. Wysocki
2007-09-22 21:51 ` Rafael J. Wysocki
2007-09-26 20:52 ` Joseph Fannin
2007-09-26 20:52 ` [linux-pm] " Joseph Fannin
2007-09-26 20:52 ` Joseph Fannin
2007-09-22 21:51 ` Rafael J. Wysocki
2007-09-22 18:00 ` Kyle Moffett
2007-09-21 20:53 ` Rafael J. Wysocki
2007-09-21 20:15 ` Rafael J. Wysocki
2007-09-21 18:11 ` Jeremy Maitin-Shepard
2007-09-21 13:14 ` huang ying
2007-09-21 3:33 ` Eric W. Biederman
2007-09-21 4:16 ` Andrew Morton
2007-09-21 4:16 ` Andrew Morton
2007-09-21 4:16 ` Andrew Morton
2007-09-21 1:57 ` Nigel Cunningham
2007-09-21 11:56 ` Rafael J. Wysocki
2007-09-21 11:56 ` Rafael J. Wysocki
2007-09-21 11:58 ` Nigel Cunningham
2007-09-21 11:58 ` Nigel Cunningham
2007-09-21 11:58 ` Nigel Cunningham
2007-09-21 12:18 ` Rafael J. Wysocki
2007-09-21 12:18 ` Rafael J. Wysocki
2007-09-21 12:18 ` Rafael J. Wysocki
2007-09-21 12:15 ` Nigel Cunningham
2007-09-21 12:15 ` Nigel Cunningham
2007-09-21 12:15 ` Nigel Cunningham
2007-09-21 13:25 ` huang ying
2007-09-21 13:25 ` huang ying
2007-09-21 13:25 ` huang ying
2007-09-21 11:56 ` Rafael J. Wysocki
2007-09-21 1:41 ` Andrew Morton
2007-09-24 17:37 ` Thomas Meyer
2007-09-24 17:37 ` Thomas Meyer
2007-09-24 17:37 ` Thomas Meyer
2007-09-21 9:49 ` Pavel Machek
2007-09-21 9:49 ` Pavel Machek
2007-09-21 9:49 ` Pavel Machek
2007-09-21 12:10 ` Rafael J. Wysocki
2007-09-21 12:10 ` [linux-pm] " Rafael J. Wysocki
2007-09-21 12:10 ` Rafael J. Wysocki
2007-09-20 10:09 ` Pavel Machek
2007-09-21 2:55 ` Eric W. Biederman
2007-09-21 2:55 ` Eric W. Biederman
2007-09-21 2:55 ` Eric W. Biederman
2007-09-21 7:27 ` Huang, Ying
2007-09-21 7:27 ` Huang, Ying
2007-09-21 7:27 ` Huang, Ying
2007-09-21 4:01 ` Eric W. Biederman
2007-09-21 4:01 ` Eric W. Biederman
2007-09-21 8:42 ` Huang, Ying
2007-09-21 8:42 ` Huang, Ying
2007-09-21 8:42 ` Huang, Ying
2007-09-21 4:01 ` Eric W. Biederman
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