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Hi Joerg & David,
Could you please have a look at the IOMMU part of this series (patch 02 - 04,
patch 06 - 09 , patch 26)?
Hi Thomas, Ingo, & Peter,
Could you please have a look at this series, especially for patch 01, 05, 21?
Thanks,
Feng
> -Original Message-
> From: Wu, Fen
On Mon, Jan 5, 2015 at 2:48 PM, Marcelo Tosatti wrote:
> On Mon, Jan 05, 2015 at 02:38:46PM -0800, Andy Lutomirski wrote:
>> On Mon, Jan 5, 2015 at 11:17 AM, Marcelo Tosatti wrote:
>> > On Mon, Jan 05, 2015 at 10:56:07AM -0800, Andy Lutomirski wrote:
>> >> On Mon, Jan 5, 2015 at 7:25 AM, Marcelo
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On Mon, Jan 05, 2015 at 02:38:46PM -0800, Andy Lutomirski wrote:
> On Mon, Jan 5, 2015 at 11:17 AM, Marcelo Tosatti wrote:
> > On Mon, Jan 05, 2015 at 10:56:07AM -0800, Andy Lutomirski wrote:
> >> On Mon, Jan 5, 2015 at 7:25 AM, Marcelo Tosatti
> >> wrote:
> >> > On Mon, Dec 22, 2014 at 04:39:57
On Mon, Jan 5, 2015 at 11:17 AM, Marcelo Tosatti wrote:
> On Mon, Jan 05, 2015 at 10:56:07AM -0800, Andy Lutomirski wrote:
>> On Mon, Jan 5, 2015 at 7:25 AM, Marcelo Tosatti wrote:
>> > On Mon, Dec 22, 2014 at 04:39:57PM -0800, Andy Lutomirski wrote:
>> >> The pvclock vdso code was too abstracted
On Mon, Jan 05, 2015 at 10:56:07AM -0800, Andy Lutomirski wrote:
> On Mon, Jan 5, 2015 at 7:25 AM, Marcelo Tosatti wrote:
> > On Mon, Dec 22, 2014 at 04:39:57PM -0800, Andy Lutomirski wrote:
> >> The pvclock vdso code was too abstracted to understand easily and
> >> excessively paranoid. Simplify
On 05/01/2015 19:56, Andy Lutomirski wrote:
>> > 1) State: all pvtis marked as PVCLOCK_TSC_STABLE_BIT.
>> > 1) Update request for all vcpus, for a TSC_STABLE_BIT -> ~TSC_STABLE_BIT
>> > transition.
>> > 2) vCPU-1 updates its pvti with new values.
>> > 3) vCPU-0 still has not updated its pvti with
On Mon, Jan 5, 2015 at 4:59 AM, Borislav Petkov wrote:
> On Fri, Nov 07, 2014 at 03:58:17PM -0800, Andy Lutomirski wrote:
>> The int_ret_from_sys_call and syscall tracing code disagrees with
>> the sysret path as to the value of RCX.
>>
>> The Intel SDM, the AMD APM, and my laptop all agree that s
On Mon, Jan 5, 2015 at 7:25 AM, Marcelo Tosatti wrote:
> On Mon, Dec 22, 2014 at 04:39:57PM -0800, Andy Lutomirski wrote:
>> The pvclock vdso code was too abstracted to understand easily and
>> excessively paranoid. Simplify it for a huge speedup.
>>
>> This opens the door for additional simplifi
2015-01-05 19:12+0100, Radim Krcmar:
> (Right now, __delay() = delay_tsc()
> whenever the hardware has TSC, regardless of stability, thus always.)
(For quantifiers' sake, there also is 'tsc_disabled' variable.)
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2014-12-23 15:58-0500, Marcelo Tosatti:
> For the hrtimer which emulates the tscdeadline timer in the guest,
> add an option to advance expiration, and busy spin on VM-entry waiting
> for the actual expiration time to elapse.
>
> This allows achieving low latencies in cyclictest (or any scenario
I have a base Linux From Scratch installation in Virtualbox and I need
virtio-net in the kernel so I can use the virtio-net adapter through
Virtualbox.
I enabled the options listed here: www.linux-kvm.org/page/Virtio but
the network interface does not show up.
I was wondering if there are more ke
On Mon, Dec 22, 2014 at 04:39:57PM -0800, Andy Lutomirski wrote:
> The pvclock vdso code was too abstracted to understand easily and
> excessively paranoid. Simplify it for a huge speedup.
>
> This opens the door for additional simplifications, as the vdso no
> longer accesses the pvti for any vc
On Fri, Nov 07, 2014 at 03:58:17PM -0800, Andy Lutomirski wrote:
> The int_ret_from_sys_call and syscall tracing code disagrees with
> the sysret path as to the value of RCX.
>
> The Intel SDM, the AMD APM, and my laptop all agree that sysret
> returns with RCX == RIP. The syscall tracing code do
Nerijus Baliunas users.sourceforge.net> writes:
> Paolo Bonzini redhat.com> writes:
>
> > In the case of Windows it's probably some timing loop that is executed
> > at startup, and the result depends on frequency scaling in the host.
> > Try adding this to the XML in the meanwhile, and see if t
Hi Razya,
Thanks for the update.
So that's reasonable I think, and I think it makes sense
to keep working on this in isolation - it's more
manageable at this size.
The big questions in my mind:
- What happens if system is lightly loaded?
E.g. a ping/pong benchmark. How much extra CPU are
we wa
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