[PATCH v4 00/17] perf: KVM: Fix, optimize, and clean up callbacks

[Peter Zijlstra]

On Thu, Nov 11, 2021 at 02:07:21AM +0000, Sean Christopherson wrote:

> Like Xu (1):
>   perf/core: Rework guest callbacks to prepare for static_call support
> 
> Sean Christopherson (16):
>   perf: Protect perf_guest_cbs with RCU
>   KVM: x86: Register perf callbacks after calling vendor's
>     hardware_setup()
>   KVM: x86: Register Processor Trace interrupt hook iff PT enabled in
>     guest
>   perf: Stop pretending that perf can handle multiple guest callbacks
>   perf: Drop dead and useless guest "support" from arm, csky, nds32 and
>     riscv
>   perf: Add wrappers for invoking guest callbacks
>   perf: Force architectures to opt-in to guest callbacks
>   perf/core: Use static_call to optimize perf_guest_info_callbacks
>   KVM: x86: Drop current_vcpu for kvm_running_vcpu + kvm_arch_vcpu
>     variable
>   KVM: x86: More precisely identify NMI from guest when handling PMI
>   KVM: Move x86's perf guest info callbacks to generic KVM
>   KVM: x86: Move Intel Processor Trace interrupt handler to vmx.c
>   KVM: arm64: Convert to the generic perf callbacks
>   KVM: arm64: Hide kvm_arm_pmu_available behind CONFIG_HW_PERF_EVENTS=y
>   KVM: arm64: Drop perf.c and fold its tiny bits of code into arm.c
>   perf: Drop guest callback (un)register stubs

Thanks!, I'll queue them up and push them into tip/perf/core once -rc1
happens.