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]
debian-powerpc:~# time for i in
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/null;
done
On 08/03/2010 07:16 PM, Scott Wood wrote:
On Sun, 1 Aug 2010 22:21:37 +0200
Alexander Grafag...@suse.de 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,
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 Grafag...@suse.de 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
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,
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
On Sun, 1 Aug 2010 22:21:37 +0200
Alexander Graf ag...@suse.de 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.
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
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 where the
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
On 09.07.2010, at 06:57, MJ embd wrote:
On Thu, Jul 1, 2010 at 4:12 PM, Alexander Graf ag...@suse.de 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
On Thu, Jul 1, 2010 at 4:12 PM, Alexander Graf ag...@suse.de 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
[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/null; done
real0m7.557s
user0m4.121s
sys 0m3.426s
So
On 02.07.2010, at 18:22, Segher Boessenkool 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/null;
done
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
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