> > > > Please consider s390 and (x86/arm) KVM. Once we have a few, more can
> > > > follow later, but I think its important to not only have PPC support for
> > > > this.
> > >
> > > Actually the s390 preemted check via sigp sense running is available for
> > > all hypervisors (z/VM, LPAR and KVM
在 2016/9/30 13:52, Boqun Feng 写道:
On Fri, Sep 30, 2016 at 12:49:52PM +0800, Pan Xinhui wrote:
在 2016/9/29 23:51, Christian Borntraeger 写道:
this implements the s390 backend for commit
"kernel/sched: introduce vcpu preempted check interface"
by reworking the existing smp_vcpu_scheduled into
a
On Fri, Sep 30, 2016 at 12:49:52PM +0800, Pan Xinhui wrote:
>
>
> 在 2016/9/29 23:51, Christian Borntraeger 写道:
> > this implements the s390 backend for commit
> > "kernel/sched: introduce vcpu preempted check interface"
> > by reworking the existing smp_vcpu_scheduled into
> > arch_vcpu_is_preemp
在 2016/9/29 18:31, Peter Zijlstra 写道:
On Thu, Sep 29, 2016 at 12:23:19PM +0200, Christian Borntraeger wrote:
On 09/29/2016 12:10 PM, Peter Zijlstra wrote:
On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
change from v2:
no code change, fix typos, update some comments
chan
在 2016/9/29 23:51, Christian Borntraeger 写道:
this implements the s390 backend for commit
"kernel/sched: introduce vcpu preempted check interface"
by reworking the existing smp_vcpu_scheduled into
arch_vcpu_is_preempted. We can then also get rid of the
local cpu_is_preempted function by moving t
在 2016/9/29 18:10, Peter Zijlstra 写道:
On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
change from v2:
no code change, fix typos, update some comments
change from v1:
a simplier definition of default vcpu_is_preempted
skip mahcine type check on ppc, and add
This patch should enable s390 support for the upcoming vcpu
preempt check support, but it should compile and work fine
without that patch set as well.
Christian Borntraeger (1):
s390/spinlock: Provide vcpu_is_preempted
arch/s390/include/asm/spinlock.h | 3 +++
arch/s390/kernel/smp.c
this implements the s390 backend for commit
"kernel/sched: introduce vcpu preempted check interface"
by reworking the existing smp_vcpu_scheduled into
arch_vcpu_is_preempted. We can then also get rid of the
local cpu_is_preempted function by moving the
CIF_ENABLED_WAIT test into arch_vcpu_is_preemp
On 09/29/2016 03:11 PM, Martin Schwidefsky wrote:
> On Thu, 29 Sep 2016 13:54:16 +0200
> Christian Borntraeger wrote:
>
>> this implements the s390 backend for commit
>> "kernel/sched: introduce vcpu preempted check interface"
>> by simply reusing the existing cpu_is_preempted function.
>>
>> Sig
On Thu, 29 Sep 2016 13:54:16 +0200
Christian Borntraeger wrote:
> this implements the s390 backend for commit
> "kernel/sched: introduce vcpu preempted check interface"
> by simply reusing the existing cpu_is_preempted function.
>
> Signed-off-by: Christian Borntraeger
> ---
> Martin, Heiko,
>
this implements the s390 backend for commit
"kernel/sched: introduce vcpu preempted check interface"
by simply reusing the existing cpu_is_preempted function.
Signed-off-by: Christian Borntraeger
---
Martin, Heiko,
this patch is a minimal change by not touching all existing users of
cpu_is_preem
On 09/29/2016 12:40 PM, Christian Borntraeger wrote:
> On 09/29/2016 12:23 PM, Christian Borntraeger wrote:
>> On 09/29/2016 12:10 PM, Peter Zijlstra wrote:
>>> On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
change from v2:
no code change, fix typos, update some comments
>
On 09/29/2016 12:23 PM, Christian Borntraeger wrote:
> On 09/29/2016 12:10 PM, Peter Zijlstra wrote:
>> On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
>>> change from v2:
>>> no code change, fix typos, update some comments
>>>
>>> change from v1:
>>> a simplier definition of de
On Thu, Sep 29, 2016 at 12:23:19PM +0200, Christian Borntraeger wrote:
> On 09/29/2016 12:10 PM, Peter Zijlstra wrote:
> > On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
> >> change from v2:
> >>no code change, fix typos, update some comments
> >>
> >> change from v1:
> >>a sim
On 09/29/2016 12:10 PM, Peter Zijlstra wrote:
> On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
>> change from v2:
>> no code change, fix typos, update some comments
>>
>> change from v1:
>> a simplier definition of default vcpu_is_preempted
>> skip mahcine type check on
From: Konstantin Neumoin
The following commit 'fad7b7b27b6a (virtio_balloon: Use a workqueue
instead of "vballoon" kthread)' has added a regression. Original code with
kthread starts the thread inside probe and checks the necessity to update
balloon inside the thread immediately.
Nowadays the co
On Thu, Jul 21, 2016 at 07:45:10AM -0400, Pan Xinhui wrote:
> change from v2:
> no code change, fix typos, update some comments
>
> change from v1:
> a simplier definition of default vcpu_is_preempted
> skip mahcine type check on ppc, and add config. remove dedicated macro.
>
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