On Thu, Jan 10, 2013 at 02:07:31PM +, David Vrabel wrote:
> On 04/01/13 15:15, Daniel Kiper wrote:
> > On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote:
> > On 27.12.12 at 03:18, Daniel Kiper wrote:
> >>> Some implementations (e.g. Xen PVOPS) could not use part of identity page
On 04/01/13 15:15, Daniel Kiper wrote:
> On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote:
> On 27.12.12 at 03:18, Daniel Kiper wrote:
>>> Some implementations (e.g. Xen PVOPS) could not use part of identity page
>>> table
>>> to construct transition page table. It means that they
On Mon, Jan 07, 2013 at 01:05:10PM +, Jan Beulich wrote:
> >>> On 07.01.13 at 13:52, Daniel Kiper wrote:
> > On Mon, Jan 07, 2013 at 09:48:20AM +, Jan Beulich wrote:
> >> >>> On 04.01.13 at 18:25, Daniel Kiper wrote:
> >> > Right, so where is virtual mapping of control page established?
>
>>> On 07.01.13 at 13:52, Daniel Kiper wrote:
> On Mon, Jan 07, 2013 at 09:48:20AM +, Jan Beulich wrote:
>> >>> On 04.01.13 at 18:25, Daniel Kiper wrote:
>> > Right, so where is virtual mapping of control page established?
>> > I could not find relevant code in SLES kernel which does that.
>>
On Mon, Jan 07, 2013 at 09:48:20AM +, Jan Beulich wrote:
> >>> On 04.01.13 at 18:25, Daniel Kiper wrote:
> > Right, so where is virtual mapping of control page established?
> > I could not find relevant code in SLES kernel which does that.
>
> In the hypervisor (xen/arch/x86/machine_kexec.c:ma
>>> On 04.01.13 at 18:25, Daniel Kiper wrote:
> Right, so where is virtual mapping of control page established?
> I could not find relevant code in SLES kernel which does that.
In the hypervisor (xen/arch/x86/machine_kexec.c:machine_kexec_load()).
xen/arch/x86/machine_kexec.c:machine_kexec() then
On Fri, Jan 04, 2013 at 04:12:32PM +, Jan Beulich wrote:
> >>> On 04.01.13 at 16:15, Daniel Kiper wrote:
> > On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote:
> >> >>> On 27.12.12 at 03:18, Daniel Kiper wrote:
> >> > Some implementations (e.g. Xen PVOPS) could not use part of ident
>>> On 04.01.13 at 16:15, Daniel Kiper wrote:
> On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote:
>> >>> On 27.12.12 at 03:18, Daniel Kiper wrote:
>> > Some implementations (e.g. Xen PVOPS) could not use part of identity page
> table
>> > to construct transition page table. It means t
On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote:
> >>> On 27.12.12 at 03:18, Daniel Kiper wrote:
> > Some implementations (e.g. Xen PVOPS) could not use part of identity page
> > table
> > to construct transition page table. It means that they require separate
> > PUDs,
> > PMDs and
On Fri, Dec 28, 2012 at 01:59:27PM +0100, Borislav Petkov wrote:
> On Thu, Dec 27, 2012 at 03:19:24PM -0800, Daniel Kiper wrote:
> > > Hmm... this code is being redone at the moment... this might conflict.
> >
> > Is this available somewhere? May I have a look at it?
>
> http://marc.info/?l=linux-k
On Thu, Dec 27, 2012 at 03:19:24PM -0800, Daniel Kiper wrote:
> > Hmm... this code is being redone at the moment... this might conflict.
>
> Is this available somewhere? May I have a look at it?
http://marc.info/?l=linux-kernel&m=135581534620383
The for-x86-boot-v7 and -v8 branches.
HTH.
--
R
>>> On 27.12.12 at 03:18, Daniel Kiper wrote:
> Some implementations (e.g. Xen PVOPS) could not use part of identity page
> table
> to construct transition page table. It means that they require separate
> PUDs,
> PMDs and PTEs for virtual and physical (identity) mapping. To satisfy that
> requi
> Hmm... this code is being redone at the moment... this might conflict.
Is this available somewhere? May I have a look at it?
Daniel
PS I am on holiday until 02/01/2013 and I could not
have access to my email box. Please be patient.
At worst case I will send reply when I will be
back a
Hmm... this code is being redone at the moment... this might conflict.
Daniel Kiper wrote:
>Some implementations (e.g. Xen PVOPS) could not use part of identity
>page table
>to construct transition page table. It means that they require separate
>PUDs,
>PMDs and PTEs for virtual and physical (id
Some implementations (e.g. Xen PVOPS) could not use part of identity page table
to construct transition page table. It means that they require separate PUDs,
PMDs and PTEs for virtual and physical (identity) mapping. To satisfy that
requirement add extra pointer to PGD, PUD, PMD and PTE and align e
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