RE: [PATCH RESEND^2] x86/paravirt: add backoff mechanism to virt_spin_lock

[Guo, Wangyang]

On 8/13/2025 10:23 PM, Dave Hansen wrote:
> On 8/12/25 17:50, Wangyang Guo wrote:
>> The optimization can improves SpecCPU2017 502.gcc_r benchmark by ~4% for
>> 288 cores VM on Intel Xeon 6 E-cores platform.
> 
> Which specific locks are getting contended?

The majority comes from lruvec->lru_lock when doing release_pages.

BR
Wangyang