On 06.08.2010, at 18:28, Kumar Gala wrote:
>
> On Jul 29, 2010, at 7:47 AM, Alexander Graf wrote:
>
>> [without]
>>
>> debian-powerpc:~# time for i in {1..1000}; do /bin/echo hello > /dev/null;
>> done
>>
>> real0m14.659s
>> user0m8.967s
>> sys 0m5.688s
>>
>> [with]
>>
>> debia
On Jul 29, 2010, at 7:47 AM, Alexander Graf wrote:
> [without]
>
> debian-powerpc:~# time for i in {1..1000}; do /bin/echo hello > /dev/null;
> done
>
> real0m14.659s
> user0m8.967s
> sys 0m5.688s
>
> [with]
>
> debian-powerpc:~# time for i in {1..1000}; do /bin/echo hello > /dev
On 07/29/2010 03:47 PM, Alexander Graf wrote:
On PPC we run PR=0 (kernel mode) code in PR=1 (user mode) and don't use the
hypervisor extensions.
While that is all great to show that virtualization is possible, there are
quite some cases where the emulation overhead of privileged instructions is
On 08/05/2010 11:01 AM, Alexander Graf wrote:
Shall I take this as an ACK?
Hollis wanted to take a look at it too. But given the fact that I have another
~10 patches lying here I'd appreciate if things could get committed. If changes
are so dramatic that they'd render things incompatible, w
On 05.08.2010, at 09:57, Avi Kivity wrote:
> On 08/03/2010 07:16 PM, Scott Wood wrote:
>> On Sun, 1 Aug 2010 22:21:37 +0200
>> Alexander Graf wrote:
>>
>>> On 01.08.2010, at 16:02, Avi Kivity wrote:
>>>
Looks reasonable. Since it's fair to say I understand nothing about
powerpc, I'
On 08/03/2010 07:16 PM, Scott Wood wrote:
On Sun, 1 Aug 2010 22:21:37 +0200
Alexander Graf wrote:
On 01.08.2010, at 16:02, Avi Kivity wrote:
Looks reasonable. Since it's fair to say I understand nothing about powerpc,
I'd like someone who does to review it and ack, please, with an emphasi
On Sun, 1 Aug 2010 22:21:37 +0200
Alexander Graf wrote:
>
> On 01.08.2010, at 16:02, Avi Kivity wrote:
>
> > Looks reasonable. Since it's fair to say I understand nothing about
> > powerpc, I'd like someone who does to review it and ack, please, with an
> > emphasis on the interfaces.
>
> S
On 01.08.2010, at 16:02, Avi Kivity wrote:
> On 07/29/2010 03:47 PM, Alexander Graf wrote:
>> On PPC we run PR=0 (kernel mode) code in PR=1 (user mode) and don't use the
>> hypervisor extensions.
>>
>> While that is all great to show that virtualization is possible, there are
>> quite some cases
On 07/29/2010 03:47 PM, Alexander Graf wrote:
On PPC we run PR=0 (kernel mode) code in PR=1 (user mode) and don't use the
hypervisor extensions.
While that is all great to show that virtualization is possible, there are
quite some cases where the emulation overhead of privileged instructions is
On PPC we run PR=0 (kernel mode) code in PR=1 (user mode) and don't use the
hypervisor extensions.
While that is all great to show that virtualization is possible, there are
quite some cases where the emulation overhead of privileged instructions is
killing performance.
This patchset tackles exac
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