Hi Xinhui,
2016-06-28 22:43 GMT+08:00 Pan Xinhui :
> 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
> as parameter and retur
Ping ...
Liang
> -Original Message-
> From: Li, Liang Z
> Sent: Wednesday, June 29, 2016 6:32 PM
> To: m...@redhat.com
> Cc: linux-ker...@vger.kernel.org; virtualization@lists.linux-foundation.org;
> k...@vger.kernel.org; qemu-de...@nongnu.org; virtio-dev@lists.oasis-
> open.org; dgilb...
Hi, wanpeng
On 2016年07月05日 17:57, Wanpeng Li wrote:
Hi Xinhui,
2016-06-28 22:43 GMT+08:00 Pan Xinhui :
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(
Cc Paolo, kvm ml
2016-07-06 12:58 GMT+08:00 xinhui :
> Hi, wanpeng
>
> On 2016年07月05日 17:57, Wanpeng Li wrote:
>>
>> Hi Xinhui,
>> 2016-06-28 22:43 GMT+08:00 Pan Xinhui :
>>>
>>> This is to fix some lock holder preemption issues. Some other locks
>>> implementation do a spin loop before acquiring t
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 of rwsem_spin_on_owner and
> mutex_spin_on
