linux-kernel - Re: [tip: perf/core] perf/x86/amd: Support PERF_PMU_CAP_MEDIATED

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Message-ID: <aWpPR-41RMPfcDY_@google.com>
Date: Fri, 16 Jan 2026 06:46:31 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [tip: perf/core] perf/x86/amd: Support PERF_PMU_CAP_MEDIATED_VPMU
 for AMD host

On Fri, Jan 16, 2026, Peter Zijlstra wrote:
> On Fri, Jan 16, 2026 at 10:36:18AM +0100, Peter Zijlstra wrote:
> > On Fri, Jan 16, 2026 at 09:44:35AM +0100, Peter Zijlstra wrote:
> > > On Thu, Jan 08, 2026 at 11:55:41AM -0800, Sean Christopherson wrote:
> > > > On Wed, Dec 17, 2025, tip-bot2 for Sandipan Das wrote:
> > > > > The following commit has been merged into the perf/core branch of tip:
> > > > > 
> > > > > Commit-ID:     65eb3a9a8a34fa9188e0ab5e657d84ce4fa242a7
> > > > > Gitweb:        https://git.kernel.org/tip/65eb3a9a8a34fa9188e0ab5e657d84ce4fa242a7
> > > > > Author:        Sandipan Das <sandipan.das@....com>
> > > > > AuthorDate:    Fri, 05 Dec 2025 16:16:49 -08:00
> > > > > Committer:     Peter Zijlstra <peterz@...radead.org>
> > > > > CommitterDate: Wed, 17 Dec 2025 13:31:07 +01:00
> > > > 
> > > > Can you provide a stable tag/branch for perf/core as of commit:
> > > > 
> > > >   01122b89361e ("perf: Use EXPORT_SYMBOL_FOR_KVM() for the mediated APIs")
> > > > 
> > > > I'm finally getting around to applying stuff for 6.20.
> > > 
> > > Oh, sorry, I missed this. Let me try and remember how to do tags.
> > 
> > I *think* I managed to push a tag: perf-core-kvm-mediated-pmu
> > to tip. It is however now signed, because for some reason I cannot get
> 
> NOT signed, can't type neither apparently..

Unsigned is totally fine, I just wanted to make sure I didn't send a pull request
with stale commits.  Thanks much!

> > gpg-agent forwarding working today :-(

LOL, sounds like me trying to do encrypted email.

> > I hate computers.