From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EABB25783A; Mon, 8 Dec 2025 15:37:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765208270; cv=none; b=U43r0aQNADzf7iO2i+o94bY/DNtG8g7tdAVB+SOuYqWkSvfm9ikEJQj4ikAZXvQw9VKUwPAhAqP6B7Mekbevlpgv0GJO6qNS0YOIjLk/IfxLdWo6++C0IEhm5jrVdbeRbOFF33FKf3sT/XG4K8c174v9hx8sh5fsg5CVNrFxO2s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765208270; c=relaxed/simple; bh=vCpKXfUIiz82eezbrdqJXe2AFXKcg1TqwZvez0QABgU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EKwEXRTSePWUUXmevxoM1ZbSgjH+NOTgq7LdIC2dgD78zy9g0Uckzziw0DHUCw7oZLQKQOZS8o1HdEXKfQB2oFX39uhGC+ZDlSmXP7s5UkObgh3455srVJF3PIetjpEP3O9eUZqLdD+1blEiAEY8lti+i22VW9nylWquHpVey+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=OoWG4ome; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="OoWG4ome" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=wLn9Pj1RYBBe/ROihmPM3KswK8Z51Ugeg99R/pQhOhA=; b=OoWG4omeqgaxvUh8FgADNqjaaC juvgaLiAq5Ppq+sfIu8suggncnKgHn/WlW24ff8tjGhqnjjN334+IwwvaC920xcolbeImVxUh9kSO CyUgYV+zi6CeSG3tfhCi8pp5tjZQJ8Wu4pkseeK7UUuoy0SM3kJDM1L2svoJHUY0EdcDpdx+naGGm XrolU+XPp5CzvMG+WRw4XNArwKR6g3xoi8uZ0vGdE28D1RzEXp04ygB8Sd3PimzpthY+PAfkgzS3h eg+s9IvZgwFCOaH3wVz9RVWaw3Hwv4+L3Li68zpDe4K2DrcryVF8Qam+F59SRS5lRRfOsSzf3ifOv M6PIb97w==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vScRR-0000000AQUo-1xw8; Mon, 08 Dec 2025 14:42:21 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 95ACC30301A; Mon, 08 Dec 2025 16:37:38 +0100 (CET) Date: Mon, 8 Dec 2025 16:37:38 +0100 From: Peter Zijlstra To: Sean Christopherson Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Xin Li , "H. Peter Anvin" , Andy Lutomirski , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Paolo Bonzini , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Mingwei Zhang , Xudong Hao , Sandipan Das , Dapeng Mi , Xiong Zhang , Manali Shukla , Jim Mattson Subject: Re: [PATCH v6 00/44] KVM: x86: Add support for mediated vPMUs Message-ID: <20251208153738.GC3707837@noisy.programming.kicks-ass.net> References: <20251206001720.468579-1-seanjc@google.com> Precedence: bulk X-Mailing-List: loongarch@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251206001720.468579-1-seanjc@google.com> On Fri, Dec 05, 2025 at 04:16:36PM -0800, Sean Christopherson wrote: > My hope/plan is that the perf changes will go through the tip tree with a > stable tag/branch, and the KVM changes will go the kvm-x86 tree. > Kan Liang (7): > perf: Skip pmu_ctx based on event_type > perf: Add generic exclude_guest support > perf: Add APIs to create/release mediated guest vPMUs > perf: Clean up perf ctx time > perf: Add a EVENT_GUEST flag > perf: Add APIs to load/put guest mediated PMU context > perf/x86/intel: Support PERF_PMU_CAP_MEDIATED_VPMU > > Mingwei Zhang (3): > perf/x86/core: Plumb mediated PMU capability from x86_pmu to > x86_pmu_cap > > Sandipan Das (3): > perf/x86/core: Do not set bit width for unavailable counters > perf/x86/amd: Support PERF_PMU_CAP_MEDIATED_VPMU for AMD host > > Sean Christopherson (19): > perf: Move security_perf_event_free() call to __free_event() > perf/x86/core: Register a new vector for handling mediated guest PMIs > perf/x86/core: Add APIs to switch to/from mediated PMI vector (for > KVM) That all looks to be in decent shape; lets go get this merged. There is the nit on patch 4 and I think a number of the exports want to be EXPORT_SYMBOL_FOR_KVM() instead, but we can do that on top. I'll queue these patches after rc1.