Re: [PATCH v3 1/4] x86/cpufeatures: Add CPUID feature bit for the Bus Lock Threshold

2024-10-06 Thread Manali Shukla
On 10/6/2024 11:56 AM, Borislav Petkov wrote: > On October 4, 2024 7:33:38 AM GMT+02:00, Manali Shukla > wrote: >> Misbehaving guests can cause bus locks to degrade the performance of >> the system. The Bus Lock Threshold feature can be used to address this >> issue by providing capability to the

Re: [PATCH v3 1/4] x86/cpufeatures: Add CPUID feature bit for the Bus Lock Threshold

2024-10-05 Thread Borislav Petkov
On October 4, 2024 7:33:38 AM GMT+02:00, Manali Shukla wrote: >Misbehaving guests can cause bus locks to degrade the performance of >the system. The Bus Lock Threshold feature can be used to address this >issue by providing capability to the hypervisor to limit guest's >ability to generate bus lo

[PATCH v3 1/4] x86/cpufeatures: Add CPUID feature bit for the Bus Lock Threshold

2024-10-03 Thread Manali Shukla
Misbehaving guests can cause bus locks to degrade the performance of the system. The Bus Lock Threshold feature can be used to address this issue by providing capability to the hypervisor to limit guest's ability to generate bus lock, thereby preventing system slowdown due to performance penalities