Re: [linux-pm] Re: [RFC][PATCH -mm 3/4] Hibernation: Pass CR3 in the image header on x86_64

[Pavel Machek <pavel@ucw.cz>]

Hi!

> > > 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.

> ---
> 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.

> @@ -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
-- 
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