From nobody Sun Feb 8 21:28:07 2026 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 8EA7C281525 for ; Sat, 7 Feb 2026 01:23:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770427435; cv=none; b=QY81Cea7u+G2G0nREwto0jK7H1mMcTakudTTVWBRyCPjhSMnUuY/aExrvvSaCJKq9Unp6AuxvbKZb74hgk+GdowK9nv14jjpIPSHZVouQzIPeGK09mpdr4qKjklWcwVlX6Rs60NKYI853x3Se5IwqRFzAZKazsWzWv1pzOjhwV8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770427435; c=relaxed/simple; bh=rUj9ix3uDrXvjD+ufVp15UBmVgPFZ3lQbTxS5CHo8TA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=EAo+VlT+UtDyTYB9kZu9XgI5c3YRTJWJeMrGOGPr22rxodDbv4ZGmoNCGkHNOfIoqiefbcIXxtegdRTzJCWTKQjlnbRbmou6j6Jfy+Ilk2Rq/5gqRtVUjwQbJnEUytUkQZLEpULkvo8b2rHw64gvdUQeBdKa/XSTC+oNg6VSXnw= 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=xC9Ev/1B; arc=none smtp.client-ip=209.85.216.74 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="xC9Ev/1B" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-354bee18a62so537126a91.0 for ; Fri, 06 Feb 2026 17:23:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1770427435; x=1771032235; 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=mngs9Ic51OGXCzrzlPYHhqLnfHfzn7x/zcXQZcf+JUA=; b=xC9Ev/1BaCnMn1BVZWCASpZ0YZPPZA0IleJk0+Q6STFiPgu+1qYSOpDL61NWOL/Dn4 TreEjYPLcOEd4uejgtKlxfOQg/joWUK4fL/ZyaHfubi9vJhBmRJq0fOhp7CUlQhQM01h CStQNulq4EpubXIk/3OIWw8puutdp/K0CZSrTfWeEOIZriHrK3+Fy1NAsdm5EsJm6buL 8pHJl3YX0jRthfVUa1R7yjLCzK3CmXLh9xJ+wsh8kMiLjhoQRAvq0S1+mM7x8sDHa0gf wzzJ0YrfkRQcTknq1JZM/P8jcPq8r5aMFb0U4IoMqliznVEjjOtd6qrTuw3P87hFR89g QrgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770427435; x=1771032235; 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=mngs9Ic51OGXCzrzlPYHhqLnfHfzn7x/zcXQZcf+JUA=; b=mXdOTeUnqewtypOjSCGOcZ/9aVpRspY0YsW07u/y6sOyULdMjwFw5kiIEPBZBNaGGB +OQXkRqa48jKG5YI3p/BqW/q5d/dfnaMRam3+k8YeKZkXJfK9QQHlqqgNTGZwnlqTsWe Y94eZabWSqBI/L9Tf7gguRWLKhhAzT/o6gtiW+HqKPxe0PlKaovKToAdRIC2HPkB0tw6 D+04PX5OrLHVCooEjrkROa4faiWVskiYQMUwuWmMlsAcNno3yT/Xb7dFgQFhwlsiLVTI rI28Yi+Oykua1gxdXQlTo+FiQSVv0Wxg+u+5w5jBLKfml/Yy2PI/M2e/nOBDSovmkp2S 8bIA== X-Forwarded-Encrypted: i=1; AJvYcCWlVqeUnbQvhTBMNERUrYthTzwHN2uPmfF4dE1RRABwBobF4KKiQ9W7/V0iKSQE+7PAvfnkvpePmLb/9jM=@vger.kernel.org X-Gm-Message-State: AOJu0YxUDy994Rl9YpLwTZ3HntguBbGuzOGGLOMsYq0yW6UxF9c3WxxP /h1bXq+S9n6LtHN78IAZyjn9aqQ2BwCe1kTr8AV9qqWlggPn2WKUtnYLI2U0/jUWEkhO1E7tq4X X5Go8VNGdLs6drQ== X-Received: from pjb13.prod.google.com ([2002:a17:90b:2f0d:b0:354:565c:69ac]) (user=jmattson job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:5348:b0:340:ec6f:5ac5 with SMTP id 98e67ed59e1d1-354b3c406a0mr3511383a91.2.1770427434980; Fri, 06 Feb 2026 17:23:54 -0800 (PST) Date: Fri, 6 Feb 2026 17:23:27 -0800 In-Reply-To: <20260207012339.2646196-1-jmattson@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260207012339.2646196-1-jmattson@google.com> X-Mailer: git-send-email 2.53.0.rc2.204.g2597b5adb4-goog Message-ID: <20260207012339.2646196-2-jmattson@google.com> Subject: [PATCH v3 1/5] KVM: x86/pmu: Introduce amd_pmu_set_eventsel_hw() From: Jim Mattson To: Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Shuah Khan , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-kselftest@vger.kernel.org, Yosry Ahmed , Mingwei Zhang , Sandipan Das Cc: 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.rc2.204.g2597b5adb4-goog