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Re: [linux-pm] Re: [RFC][PATCH -mm 3/4] Hibernation: Pass CR3 in the image header on x86_64
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From: Pavel Machek
Subject:
Re: [linux-pm] Re: [RFC][PATCH -mm 3/4] Hibernation: Pass CR3 in the image header on x86_64
Date: Friday, August 24, 2007 - 2:02 am
Hi!
quoted text
> > > No, I do not think I like that. I believe both -> control and -> crc > > > is just useless paranoia. Bitflip in this area is not going to be any > > > worse than bitflip anywhere else, we should not pretend this is > > > somehow "more important". > > > > > > -> control should really be "protocol version"... probably should > > > contain some field that is easy to increment. > > > > OK > > > > Perhaps I'll just remove the crc field. > > Like in the patch below.
Yep, thanks.
quoted text
> --- > From: Rafael J. Wysocki <rjw@sisk.pl> > > Since we already pass the address of restore_registers() in the image header, > we can also pass the value of the CR3 register from before the hibernation in > the same way. This will allow us to avoid using init_level4_pgt page tables > during the restore.
ACK.
quoted text
> @@ -9,6 +9,7 @@ > > #include <linux/smp.h> > #include <linux/suspend.h> > +#include <linux/crc32.h> > #include <asm/proto.h> > #include <asm/page.h> > #include <asm/pgtable.h>
This one is no longer neccessary. Pavel -- (english)
http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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Messages in current thread:
[RFC][PATCH -mm 0/4] Hibernation: Arbitrary boot kernel su ...
, Rafael J. Wysocki
, (Wed Aug 22, 1:15 am)
[RFC][PATCH -mm 1/4] Hibernation: Arbitrary boot kernel su ...
, Rafael J. Wysocki
, (Wed Aug 22, 1:17 am)
[RFC][PATCH -mm 2/4] Hibernation: Arbitrary boot kernel su ...
, Rafael J. Wysocki
, (Wed Aug 22, 1:19 am)
[RFC][PATCH -mm 3/4] Hibernation: Pass CR3 in the image he ...
, Rafael J. Wysocki
, (Wed Aug 22, 1:20 am)
[RFC][PATCH -mm 4/4] Hibernation: Use temporary page table ...
, Rafael J. Wysocki
, (Wed Aug 22, 1:21 am)
Re: [RFC][PATCH -mm 1/4] Hibernation: Arbitrary boot kerne ...
, Pavel Machek
, (Wed Aug 22, 1:25 am)
Re: [RFC][PATCH -mm 2/4] Hibernation: Arbitrary boot kerne ...
, Pavel Machek
, (Wed Aug 22, 1:26 am)
Re: [RFC][PATCH -mm 3/4] Hibernation: Pass CR3 in the imag ...
, Pavel Machek
, (Wed Aug 22, 1:28 am)
Re: [RFC][PATCH -mm 4/4] Hibernation: Use temporary page t ...
, Pavel Machek
, (Wed Aug 22, 1:29 am)
Re: [RFC][PATCH -mm 4/4] Hibernation: Use temporary page t ...
, Rafael J. Wysocki
, (Wed Aug 22, 9:16 am)
Re: [RFC][PATCH -mm 3/4] Hibernation: Pass CR3 in the imag ...
, Rafael J. Wysocki
, (Wed Aug 22, 9:17 am)
Re: [linux-pm] Re: [RFC][PATCH -mm 3/4] Hibernation: Pass ...
, Rafael J. Wysocki
, (Wed Aug 22, 1:49 pm)
Re: [RFC][PATCH -mm 4/4] Hibernation: Use temporary page t ...
, Pavel Machek
, (Fri Aug 24, 1:31 am)
Re: [linux-pm] Re: [RFC][PATCH -mm 3/4] Hibernation: Pass ...
, Pavel Machek
, (Fri Aug 24, 2:02 am)
Re: [linux-pm] Re: [RFC][PATCH -mm 3/4] Hibernation: Pass ...
, Rafael J. Wysocki
, (Fri Aug 24, 2:24 pm)
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