Rusty Russell wrote:
> On Wed, 2007-02-21 at 23:15 +0100, Andi Kleen wrote:
>
>> On Wednesday 21 February 2007 21:52, Jeremy Fitzhardinge wrote:
>>
>>> Add a set of accessors to pack, unpack and modify page table entries
>>> (at all levels). This allows a paravirt implementation to
On Wed, 2007-02-21 at 23:15 +0100, Andi Kleen wrote:
> On Wednesday 21 February 2007 21:52, Jeremy Fitzhardinge wrote:
> > Add a set of accessors to pack, unpack and modify page table entries
> > (at all levels). This allows a paravirt implementation to control the
> > contents of pgd/pmd/pte
Andi Kleen wrote:
> Do you have some lmbench numbers before/after this change?
> iirc at least fork and exit do a lot of pte accesses in various forms.
> If it's measurable it might be needed to patch those for the native case.
>
I don't. I think Rusty ran some numbers and found the pte
On Wednesday 21 February 2007 21:52, Jeremy Fitzhardinge wrote:
> Add a set of accessors to pack, unpack and modify page table entries
> (at all levels). This allows a paravirt implementation to control the
> contents of pgd/pmd/pte entries. For example, Xen uses this to
> convert the
On Wednesday 21 February 2007 21:52, Jeremy Fitzhardinge wrote:
Add a set of accessors to pack, unpack and modify page table entries
(at all levels). This allows a paravirt implementation to control the
contents of pgd/pmd/pte entries. For example, Xen uses this to
convert the
Andi Kleen wrote:
Do you have some lmbench numbers before/after this change?
iirc at least fork and exit do a lot of pte accesses in various forms.
If it's measurable it might be needed to patch those for the native case.
I don't. I think Rusty ran some numbers and found the pte
On Wed, 2007-02-21 at 23:15 +0100, Andi Kleen wrote:
On Wednesday 21 February 2007 21:52, Jeremy Fitzhardinge wrote:
Add a set of accessors to pack, unpack and modify page table entries
(at all levels). This allows a paravirt implementation to control the
contents of pgd/pmd/pte entries.
Rusty Russell wrote:
On Wed, 2007-02-21 at 23:15 +0100, Andi Kleen wrote:
On Wednesday 21 February 2007 21:52, Jeremy Fitzhardinge wrote:
Add a set of accessors to pack, unpack and modify page table entries
(at all levels). This allows a paravirt implementation to control the
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