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From: Cedric Le Goater <clg@fr.ibm.com>
To: Alexander Graf <agraf@suse.de>
Cc: aik@ozlabs.ru, paulus@samba.org, qemu-ppc@nongnu.org,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC PATCH] target-ppc: explicitly save page table headers in big endian
Date: Mon, 03 Nov 2014 15:56:32 +0100	[thread overview]
Message-ID: <545797A0.5070602@fr.ibm.com> (raw)
In-Reply-To: <545796CE.2010706@suse.de>

On 11/03/2014 03:53 PM, Alexander Graf wrote:
> 
> 
> On 27.10.14 11:23, Cédric Le Goater wrote:
>> Currently, when the page tables are saved, the kvm_get_htab_header structs 
>> and the ptes are assumed being big endian and dumped as a indistinct blob 
>> in the statefile. This is no longer true when the host is little endian 
>> and this breaks restoration.
>>
>> This patch unfolds the kvmppc_save_htab routine to write explicitly the 
>> kvm_get_htab_header structs in big endian. The ptes are left untouched.
>>
>> Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
>> Cc: paulus@samba.org
>> Cc: aik@ozlabs.ru
>> Cc: gkurz@linux.vnet.ibm.com
> 
> LGTM :)

OK then. I will resend as a PATCH, along with the kvm kernel patch which is 
just a couple of lines. Then, we can start testing cross-endian migration !

Thanks,

C. 

  reply	other threads:[~2014-11-03 14:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-27 10:23 [Qemu-devel] [RFC PATCH] target-ppc: explicitly save page table headers in big endian Cédric Le Goater
2014-11-03 14:53 ` Alexander Graf
2014-11-03 14:56   ` Cedric Le Goater [this message]
2014-11-03 15:10     ` Alexander Graf
2014-11-13  6:43       ` Alexey Kardashevskiy

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