From nobody Mon Feb 9 07:22:11 2026 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 4BA0037648C for ; Thu, 29 Jan 2026 23:29:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769729343; cv=none; b=HIbXdhcdZjH3K9bkHRMftiE6entWtWCvsvv7pzSwcAIZbLW/fF6MOgIt+uOsmL3xgFDdl4SNfKjlIb+ed2/i1s7z2FqCzIN0DeY4G3makR2QGT6LXRh4EGG7A0Jena1wicJXzJIdD2fCg1I+rc69gHrBuwvjixPBpiMD1OIbtG0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769729343; c=relaxed/simple; bh=+Ao85fypcu2LNijyP/Yd5fo6qd6PkBX5yK78fvuZH0w=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=PHK4A9EEJI2MwX5y2BX+xAwmiGHRj5B57csBvHDg0ie1Ne6qkxZXK02rcHYIo5GtF/ot5l8OJwhH0gKq0plRVgMW0lgOlG9Ao539quoGYO20iSux7fhqtArjYaA3o9FlQ/K41Fozhj8ah1dC3mOnpW1UmpLpgyBn8xKE8xB5nvE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jmattson.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=20pkHTul; arc=none smtp.client-ip=209.85.214.201 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--jmattson.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="20pkHTul" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2a8c273332cso32136805ad.1 for ; Thu, 29 Jan 2026 15:29:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769729342; x=1770334142; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=A1eDEoFXt8XkhH54WsqjXw1OZHZdHjK/gtE/fEZN/Ec=; b=20pkHTul9/hGC7Eh6DAkoGPNFr1CkJm5J3ZAJ74gzu46g0/+2EGO8koOftBtqvBvP0 D3W0QHJT2zJyk3IuZvXL9MfnBfbc8ugMG82Z7c3foQkZGhxVAr0Mbg7J6RUowOYXwNOC xltUkJvNNuf1cVXR9Mi3QTw8/QnWTqIeHSK5+VHu7DLVkfbYeIIdLxY39Ep9yxkSk4nK DGClBLOHqMjvrvqM0cjauuMK4Zz+A8A8XlG2HbJL31y6hucbpUl6fvfqlbnuNIQAMT6U KWFo/caqz899Rx+v21s1XfynTujrOwj9FeA8bR84OstUfJRBsBxfBi9+T5ErZ9pwv0Kn rIbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769729342; x=1770334142; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=A1eDEoFXt8XkhH54WsqjXw1OZHZdHjK/gtE/fEZN/Ec=; b=BugpEQZ1XaHBYAc/K8bKwyvimoTqR3ITiSl7Q9ZrlFcYXH1HkySr88R6iYJBbPBuPG sqQ1CS41zL/uJSzHBq+Y7uzaV+2SjWKhOGuXD8uePGSk8DxVDdIZg3pQDqt0/TNcwlOr KrgyMSFg0/kkdfiGA4vRpJqkoIhGjOi18zEo6bWuLf/AVRS5PZnWrvKV6ydqgwDhIXj8 kKgrICg3oaDpJV7Vat0GX9fSKgF+B3t+CzSbQoeny2MthVPDtt3j2QqbEpmFOsOaPk0F 4N6IFsfWTRaHxZILOSk7JbjVqM5zkz74ins7FG1HfHyVxSdvChe4O/7AXiOqZO+xe7tw u7cw== X-Forwarded-Encrypted: i=1; AJvYcCVkD2SO+UyEFd2gldAbaxQY0tDw31mmDuUybWC3nVYZGSx4/C82EA7G9r4aC9RBxiJ6tdJnoIoFq3XaiEw=@vger.kernel.org X-Gm-Message-State: AOJu0YyxIx5hjhlksP2T6686YZXmR8CZVRKXPuJckFSdPG/UfzANmDwr qamGyN9rliv4cyW/9eoBq+G5l9HcKL+g6uE4ell7xBHkbZStOc5g6FrzNO582Tzlx3ZFmRuCFx6 AZ9JceCxOb+5QSw== X-Received: from plcp2.prod.google.com ([2002:a17:902:e342:b0:2a5:9a63:12d0]) (user=jmattson job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:f552:b0:298:5abe:4b1 with SMTP id d9443c01a7336-2a8d99469cbmr8037505ad.52.1769729341586; Thu, 29 Jan 2026 15:29:01 -0800 (PST) Date: Thu, 29 Jan 2026 15:28:06 -0800 In-Reply-To: <20260129232835.3710773-1-jmattson@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260129232835.3710773-1-jmattson@google.com> X-Mailer: git-send-email 2.53.0.rc1.225.gd81095ad13-goog Message-ID: <20260129232835.3710773-2-jmattson@google.com> Subject: [PATCH v2 1/5] KVM: x86/pmu: Introduce amd_pmu_set_eventsel_hw() From: Jim Mattson To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Sean Christopherson , Paolo Bonzini , Shuah Khan , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: mizhang@google.com, yosryahmed@google.com, sandipan.das@amd.com, Jim Mattson Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Extract the computation of eventsel_hw from amd_pmu_set_msr() into a separate helper function, amd_pmu_set_eventsel_hw(). No functional change intended. Signed-off-by: Jim Mattson --- arch/x86/kvm/svm/pmu.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c index 7aa298eeb072..d9ca633f9f49 100644 --- a/arch/x86/kvm/svm/pmu.c +++ b/arch/x86/kvm/svm/pmu.c @@ -147,6 +147,12 @@ static int amd_pmu_get_msr(struct kvm_vcpu *vcpu, stru= ct msr_data *msr_info) return 1; } =20 +static void amd_pmu_set_eventsel_hw(struct kvm_pmc *pmc) +{ + pmc->eventsel_hw =3D (pmc->eventsel & ~AMD64_EVENTSEL_HOSTONLY) | + AMD64_EVENTSEL_GUESTONLY; +} + static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_inf= o) { struct kvm_pmu *pmu =3D vcpu_to_pmu(vcpu); @@ -166,8 +172,7 @@ static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struc= t msr_data *msr_info) data &=3D ~pmu->reserved_bits; if (data !=3D pmc->eventsel) { pmc->eventsel =3D data; - pmc->eventsel_hw =3D (data & ~AMD64_EVENTSEL_HOSTONLY) | - AMD64_EVENTSEL_GUESTONLY; + amd_pmu_set_eventsel_hw(pmc); kvm_pmu_request_counter_reprogram(pmc); } return 0; --=20 2.53.0.rc1.225.gd81095ad13-goog