Re: [PATCH v7 00/10] x86: Add support for NMI-source reporting with FRED

From: Peter Zijlstra
Date: Fri Jun 13 2025 - 03:06:51 EST


On Thu, Jun 12, 2025 at 02:48:39PM -0700, Sohil Mehta wrote:

> Jacob Pan (1):
> perf/x86: Enable NMI-source reporting for perfmon
>
> Sean Christopherson (1):
> x86/fred: Provide separate IRQ vs. NMI wrappers for entry from KVM
>
> Sohil Mehta (8):
> x86/fred: Pass event data to the NMI entry point from KVM
> x86/cpufeatures: Add the CPUID feature bit for NMI-source reporting
> x86/nmi: Extend the registration interface to include the NMI-source
> vector
> x86/nmi: Assign and register NMI-source vectors
> x86/nmi: Add support to handle NMIs with source information
> x86/nmi: Prepare for the new NMI-source vector encoding
> x86/nmi: Enable NMI-source for IPIs delivered as NMIs
> x86/nmi: Print source information with the unknown NMI console message

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>