On 06/07/16 08:52, Peter Zijlstra wrote:
> On Tue, Jun 28, 2016 at 10:43:07AM -0400, Pan Xinhui wrote:
>> change fomr v1:
>> a simplier definition of default vcpu_is_preempted
>> skip mahcine type check on ppc, and add config. remove dedicated macro.
>> add one patch to drop overload
On Wed, Jul 06, 2016 at 02:46:34PM +0800, Wanpeng Li wrote:
> > SO it's easy for ppc to implement such interface. Note that yield_count is
> > set by powerVM/KVM.
> > and only pSeries can run a guest for now. :)
> >
> > I also review x86 related code, looks like we need add one hyer-call to get
> >
On Wed, Jul 06, 2016 at 09:47:18AM +0200, Juergen Gross wrote:
> On 06/07/16 08:52, Peter Zijlstra wrote:
> > Paolo, could you help out with an (x86) KVM interface for this?
>
> Xen support of this interface should be rather easy. Could you please
> Cc: xen-devel-requ...@lists.xenproject.org in t
2016-07-06 15:58 GMT+08:00 Peter Zijlstra :
> On Wed, Jul 06, 2016 at 02:46:34PM +0800, Wanpeng Li wrote:
>> > SO it's easy for ppc to implement such interface. Note that yield_count is
>> > set by powerVM/KVM.
>> > and only pSeries can run a guest for now. :)
>> >
>> > I also review x86 related co
On 06/07/16 10:19, Peter Zijlstra wrote:
> On Wed, Jul 06, 2016 at 09:47:18AM +0200, Juergen Gross wrote:
>> On 06/07/16 08:52, Peter Zijlstra wrote:
>
>>> Paolo, could you help out with an (x86) KVM interface for this?
>>
>> Xen support of this interface should be rather easy. Could you please
>>
On 2016年07月06日 14:52, Peter Zijlstra wrote:
On Tue, Jun 28, 2016 at 10:43:07AM -0400, Pan Xinhui wrote:
change fomr v1:
a simplier definition of default vcpu_is_preempted
skip mahcine type check on ppc, and add config. remove dedicated macro.
add one patch to drop overl
On 2016年07月06日 16:32, Wanpeng Li wrote:
2016-07-06 15:58 GMT+08:00 Peter Zijlstra :
On Wed, Jul 06, 2016 at 02:46:34PM +0800, Wanpeng Li wrote:
SO it's easy for ppc to implement such interface. Note that yield_count is
set by powerVM/KVM.
and only pSeries can run a guest for now. :)
I also re
On 06/07/2016 08:52, Peter Zijlstra wrote:
> On Tue, Jun 28, 2016 at 10:43:07AM -0400, Pan Xinhui wrote:
>> change fomr v1:
>> a simplier definition of default vcpu_is_preempted
>> skip mahcine type check on ppc, and add config. remove dedicated macro.
>> add one patch to drop over
On Tue, 2016-06-28 at 10:43 -0400, Pan Xinhui wrote:
> This is to fix some lock holder preemption issues. Some other locks
> implementation do a spin loop before acquiring the lock itself. Currently
> kernel has an interface of bool vcpu_is_preempted(int cpu). It take the cpu
On Mon, 27 Jun 2016 10:09:18 +0800
Minfei Huang wrote:
> The error number -ENOENT or 0 will be returned, if we can not allocate
> more memory in function init_vq. If host can support multiple virtual
> queues, and we fails to allocate necessary memory structures for vq,
> kernel may crash due to
On Wed, Jul 06, 2016 at 12:44:58PM +0200, Paolo Bonzini wrote:
> > Paolo, could you help out with an (x86) KVM interface for this?
>
> If it's just for spin loops, you can check if the version field in the
> steal time structure has changed.
That would require remembering the old value, no?
That
2016-07-06 18:44 GMT+08:00 Paolo Bonzini :
>
>
> On 06/07/2016 08:52, Peter Zijlstra wrote:
>> On Tue, Jun 28, 2016 at 10:43:07AM -0400, Pan Xinhui wrote:
>>> change fomr v1:
>>> a simplier definition of default vcpu_is_preempted
>>> skip mahcine type check on ppc, and add config. remove
On 06/07/2016 14:08, Wanpeng Li wrote:
> 2016-07-06 18:44 GMT+08:00 Paolo Bonzini :
>>
>>
>> On 06/07/2016 08:52, Peter Zijlstra wrote:
>>> On Tue, Jun 28, 2016 at 10:43:07AM -0400, Pan Xinhui wrote:
change fomr v1:
a simplier definition of default vcpu_is_preempted
skip
On 06/07/2016 10:19, Peter Zijlstra wrote:
>>> Paolo, could you help out with an (x86) KVM interface for this?
>> >
>> > Xen support of this interface should be rather easy. Could you please
>> > Cc: xen-devel-requ...@lists.xenproject.org in the next version?
> So meta question; aren't all you v
2016-07-06 20:28 GMT+08:00 Paolo Bonzini :
>
>
> On 06/07/2016 14:08, Wanpeng Li wrote:
>> 2016-07-06 18:44 GMT+08:00 Paolo Bonzini :
>>>
>>>
>>> On 06/07/2016 08:52, Peter Zijlstra wrote:
On Tue, Jun 28, 2016 at 10:43:07AM -0400, Pan Xinhui wrote:
> change fomr v1:
> a simplier d
On 07/06/2016 10:19 AM, Peter Zijlstra wrote:
> On Wed, Jul 06, 2016 at 09:47:18AM +0200, Juergen Gross wrote:
>> On 06/07/16 08:52, Peter Zijlstra wrote:
>
>>> Paolo, could you help out with an (x86) KVM interface for this?
>>
>> Xen support of this interface should be rather easy. Could you plea
On Thu, Jun 30, 2016 at 2:45 AM, Jason Wang wrote:
> Hi all:
>
> This series tries to switch to use skb array in tun. This is used to
> eliminate the spinlock contention between producer and consumer. The
> conversion was straightforward: just introdce a tx skb array and use
> it instead of sk_rec
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