From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B50AD2D1F61 for ; Wed, 6 Aug 2025 19:57:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754510275; cv=none; b=Q/11+3MV4Ss3QyCbAb2PUNmYgDk6Fz988+nvXoUW3cTWKin73GyX2/vu8ND3Y6CGJbDh450PzQzs0hZA8cYS9/ADmEVSkBp602vG8/5IQeCwDsC/hZoQu0/rAgdNrMMjqZw8oZn+ZcCU+LTb/ObF5HLKBuxr3fNGXIqGWlPyofw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754510275; c=relaxed/simple; bh=dsL7u0gCksSjkMYlnKFIZN+mhAdNQOloX5K9ddADbjw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=DgK2nCyUpYu4ALAynMq5suypglfWrfMM1I0czYvJlPzfGCty2mEV6mSxjYbxQhLkTS6On/fTfnjygdln2a4ougiAn4Q4iVhODS83vqQLaFgJj4zoeqRPi+IOHaXfA0MOJ6OM4wVVQ83HPjTYsYjvEt2dg4CUAVUes3ZFFAT2bYc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=3mUGGDZ+; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="3mUGGDZ+" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-315af08594fso334377a91.2 for ; Wed, 06 Aug 2025 12:57:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1754510269; x=1755115069; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=zcpMdowVJLAIFzpWUVXDuq4S/gKqPMBYO1OzyYmcx64=; b=3mUGGDZ+zv7uU59L8Ffhd//Jtbx25i3JD1bz2eGo6Z3VsU1hrc52wMguL5eBGBpd07 kvDkTu/02am6NGibACJdrCbahTNW0RfmdXOCjn1dkuKsTyTz1JZZ7FXCq+jsI53zSKEd xmRm5+ZTX9+Y/FVsOZaiz/UVmhqPc7kemgrGx2gmWvzAgMWJqU+F2/iKGz1j8nzUk21M Xa7p7wdmHoynPZahfgtmt0iTe+C7gbcarlY6Py1Y6m2OkkjAldVnkNYOIDhGBbJLmOZ6 lLYNcB1o6KuUNE4Acbs12URw9MLQiP3diNrz1QbIo0PtMR7sdVyeNA8CCUFWExuDBACP rDXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754510269; x=1755115069; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=zcpMdowVJLAIFzpWUVXDuq4S/gKqPMBYO1OzyYmcx64=; b=ms8yp51RUXPscFZX9hijwrgufSpUdiTf658a1PjRcv5AOOZg0L3noXX7BfTzV5NlLX RSWjNXPoJblDxBcSchC6r0L3KYSNWSFSkYGltbwYXP4IlBkYtaQ8iPiOqJP9zKxnRNv7 0DHeTmh+ClvnJYegjEGeynradaGIuREDZE9GqVT5qzR4gX7956cRAJchIWXRoP/gdTiC 0KDnJjXXpNlMtLaXDMvqRwDK2Iy+E93wg3SIBOtepOdCjdoejagxTUSSYppn+yrDilXo 3ye9n8mMioHHEu8I/Bdp8TwZ4zuvqMLD2CF6Rcd42PNorBZYgfXCtonxAF5QIoZ0HAkB rm1w== X-Forwarded-Encrypted: i=1; AJvYcCWhLIklLcCon2Wu2emunkrhtwAOihna+cSrg6XSu1qzxpBXI+lioeeg22GkKm3AjLpBLSS1dSUlkuoLXSAzXC5T@vger.kernel.org X-Gm-Message-State: AOJu0YyHxhhXwr8ugk5b6OOoRxhf10Xz395iBy2ST2CoFgK+FSCnIplR I+tJbwPXBawXUeOnXA1rm6yI8oAbRv/87wXIJcn+Mgxr8fcVvx/d0oi3xKbf/P4/qdOZS9Dyise gzhyRrA== X-Google-Smtp-Source: AGHT+IEVLR7eG3e1/ODg1GEbzlPUzUDlLQzQgQfsonV4iFGNfX+Tq8xQvuZk8V1U7zslQQy51nOqc0FuQr8= X-Received: from pjtd2.prod.google.com ([2002:a17:90b:42:b0:321:76a2:947c]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:380a:b0:31f:36da:3f85 with SMTP id 98e67ed59e1d1-32167520ee1mr6465429a91.17.1754510268743; Wed, 06 Aug 2025 12:57:48 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 6 Aug 2025 12:56:33 -0700 In-Reply-To: <20250806195706.1650976-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250806195706.1650976-1-seanjc@google.com> X-Mailer: git-send-email 2.50.1.565.gc32cd1483b-goog Message-ID: <20250806195706.1650976-12-seanjc@google.com> Subject: [PATCH v5 11/44] perf/x86/core: Plumb mediated PMU capability from x86_pmu to x86_pmu_cap From: Sean Christopherson To: 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 , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Sean Christopherson , Paolo Bonzini Cc: 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, Kan Liang , Yongwei Ma , Mingwei Zhang , Xiong Zhang , Sandipan Das , Dapeng Mi Content-Type: text/plain; charset="UTF-8" From: Mingwei Zhang Plumb mediated PMU capability to x86_pmu_cap in order to let any kernel entity such as KVM know that host PMU support mediated PMU mode and has the implementation. Signed-off-by: Mingwei Zhang Signed-off-by: Sean Christopherson --- arch/x86/events/core.c | 1 + arch/x86/include/asm/perf_event.h | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index b8583a6962f1..d58aa316b65a 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -3130,6 +3130,7 @@ void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap) cap->events_mask = (unsigned int)x86_pmu.events_maskl; cap->events_mask_len = x86_pmu.events_mask_len; cap->pebs_ept = x86_pmu.pebs_ept; + cap->mediated = !!(pmu.capabilities & PERF_PMU_CAP_MEDIATED_VPMU); } EXPORT_SYMBOL_GPL(perf_get_x86_pmu_capability); diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 70d1d94aca7e..74db361a53d3 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -292,6 +292,7 @@ struct x86_pmu_capability { unsigned int events_mask; int events_mask_len; unsigned int pebs_ept :1; + unsigned int mediated :1; }; /* -- 2.50.1.565.gc32cd1483b-goog