From nobody Mon Feb 9 02:27:11 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 DDCA133A71C for ; Wed, 21 Jan 2026 22:55:07 +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=1769036110; cv=none; b=MIuyr6n9D68zQpWhzsZxVCF11aLhVqf5xoR+upIvjBv6AslkyXeaq5XCD8xGyOsSFX6U5ju3JkspeXB4VbSi8PchncA6CL/reY9qo2XaHD56u9wJUmtsT6akcP1YK/l4nRf3Y/iI2fik4JWlqgWku8DqX3gsqNWf3kYA23mzx7o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769036110; c=relaxed/simple; bh=tr63TBX3kw3rhNLR4KkCTKohb2Q3vQr3rghbN731DHw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=gPOM9AUqoDwBXOSfPscoodN39TTQO3ij1RnjOohA27nhDgg+StLLEuOUXRQrjOtIoOkPwXNBI2waKK4Guq50HInPzpJ2YwH8sA1DDDQGsA2xrgrdYXrnQokKVOvNin81ACRKT0xxN+8jwqvjmQ1hLLTYqPeQtFyFDs331ru6KdE= 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=YLlXm7Gh; 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="YLlXm7Gh" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-34c2f670a06so348397a91.3 for ; Wed, 21 Jan 2026 14:55:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769036105; x=1769640905; 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=QXlvlmMGjx+7txGDPivw+jyaPXiVrEUwOPpV1iC4Qw0=; b=YLlXm7GhBJImVFMKSkMbyFKW/777Amb4LuCYph2aadlPnPuxq4qnvJYie8/hmtlV/L ccxOATpxh0M0sKf7nESKhgsMSfydkFhyD6Oxie3RDZ+FFuKs+4xlk0WeHc6PgFYQQrVt WoNpBW6murp5L7+W7heZGeOzEx5BxjemmltKLS9rFfrdX9fe51k6S3KRkx7vY/pYExFr ZmJ/iEKUDZ3ydf+FgkyKes9Ia+09bU1f0tFxue9x38S7Coc8t1MuVseB/XSydmfHUhlL Enr50Uj2rwIFMgniqXN2YXlXFYUhWrESnBFaiRUxJzELwAbeRCnLsS31b+AzmLoDOtwT Pz5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769036105; x=1769640905; 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=QXlvlmMGjx+7txGDPivw+jyaPXiVrEUwOPpV1iC4Qw0=; b=AhT/UOiyoLYaHiBe3Qo2ViXFkNPQy1SncdgTA2QJDm0hx7aE70a/3AK4J8akJXyrKe 84HZImOEKkDODHFoeHB8fAQxWYwKUka2KZhZZfHFIcTjTj6e2QXjszJKwre1dEMZTsxl 33UzlDwo0NvzZF1KGJAXJUiRSInuchuX2Kxe83j0Odp4gkOf75rP79h6/CztQnE8F8dx SqdTGqV28N2SiQbqwOYWgKsRxO9qZcaoBwe0yXg/AyiBHo5AtiYsUbqDEFd3mJ57dBJq 5ScQ+Xz9sH4EAAHC5gGcO8NiJBXryM7ewWxIWH4nCmEUYxCXAIa0BJ9bbxI9ClOo+2sP zQAQ== X-Forwarded-Encrypted: i=1; AJvYcCXP3H5PR+tB8XBO2YywQ7jfqdsFHjCQbgzb7kE8jXOEQDFYw7y5tLOEHkMQXoFEOKeMLI0NaAu0VaRtfPI=@vger.kernel.org X-Gm-Message-State: AOJu0YxmIlYVP0wTREVUyPsmI4RnK+XkhL3bAmNaVM63fqBtuEYkqCc+ lX27Gg4Dvy9OHASyYdv3VCjs9glkwfilE+ZKzs+rhwz2zr8BS1PPw2UcvjhYoHKtbWCz/6NmEaa WXC8H58RVdQpEwg== X-Received: from pjbpx10.prod.google.com ([2002:a17:90b:270a:b0:34c:3c14:d369]) (user=jmattson job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:3fd0:b0:33f:f22c:8602 with SMTP id 98e67ed59e1d1-352c403aademr5934916a91.26.1769036104764; Wed, 21 Jan 2026 14:55:04 -0800 (PST) Date: Wed, 21 Jan 2026 14:53:59 -0800 In-Reply-To: <20260121225438.3908422-1-jmattson@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260121225438.3908422-1-jmattson@google.com> X-Mailer: git-send-email 2.52.0.457.g6b5491de43-goog Message-ID: <20260121225438.3908422-2-jmattson@google.com> Subject: [PATCH 1/6] 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 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..33c139b23a9e 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 2.52.0.457.g6b5491de43-goog