On 2020/1/15 22:14, Marc Zyngier wrote:
> On 2020-01-13 12:12, Will Deacon wrote:
>> [+PeterZ]
>>
>> On Thu, Dec 26, 2019 at 09:58:27PM +0800, Zengruan Ye wrote:
>>> This patch set aims to support the vcpu_is_preempted() functionality
>>> under KVM/arm64, which allowing the guest to obtain the
On 2020/1/15 22:14, Marc Zyngier wrote:
> On 2020-01-13 12:12, Will Deacon wrote:
>> [+PeterZ]
>>
>> On Thu, Dec 26, 2019 at 09:58:27PM +0800, Zengruan Ye wrote:
>>> This patch set aims to support the vcpu_is_preempted() functionality
>>> under KVM/arm64, which allowing the guest to obtain the
[+PeterZ]
On Thu, Dec 26, 2019 at 09:58:27PM +0800, Zengruan Ye wrote:
> This patch set aims to support the vcpu_is_preempted() functionality
> under KVM/arm64, which allowing the guest to obtain the VCPU is
> currently running or not. This will enhance lock performance on
> overcommitted hosts
This patch set aims to support the vcpu_is_preempted() functionality
under KVM/arm64, which allowing the guest to obtain the VCPU is
currently running or not. This will enhance lock performance on
overcommitted hosts (more runnable VCPUs than physical CPUs in the
system) as doing busy waits for