From nobody Sun Oct 5 12:34:07 2025 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (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 C63932BF00E for ; Tue, 5 Aug 2025 19:05:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754420759; cv=none; b=piIShSHXI+YaedU3oZIbAqcVMPw7dLvUPBkz8xuji74DdVeeeKhUSlrjQsIWY69oiUzLXJ9/M0oXi+HKJD8t/JdrzpTq9o8EcU90yEi2bCMptsnETwMy4dpHyaORYLrYUtG3N4QM6KkmHnFiMomxjxhQmYIYpAUvJTPWL2p+YD0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754420759; c=relaxed/simple; bh=/sPXmM0Zs1fLp6muGCf+tjOXJkyB32siq6QuACEEbu4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=AH7v+6YXAZsTN5nLLTng3F2liLRRqY483U4g/eY3PgCxg/hYpxRQXVLrDQ0/LVl9oYhRmMQdw1iZXRMqlMx+7eUbn+dQ64F3S47cA8hUCRM5zuyLyrAwZesm6kaBKQdIWMVY0CtX1dZNFlV64Fv8kpfSqHgqy7814UozL5gaeTA= 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=3Do8gQd6; arc=none smtp.client-ip=209.85.215.202 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="3Do8gQd6" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-b4225ab1829so3350779a12.0 for ; Tue, 05 Aug 2025 12:05:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1754420757; x=1755025557; 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=oCGEKAkbeIoGipEXNV8T0RUXqCHxNcix8LcZk/J0Axs=; b=3Do8gQd6Zgufyho4I057T0TokdKhRR4BSHkUQNflkztGtIWnCwyPowTcQjJvbIS1lO vRwOUze9Lmc6ECoi6TW0iaJUdJUp6oscjVyCsu1v/Tx+7VsNkAck/U0LCo4cWrjYORap bsf3MzCp+BtlPYnSt0xvOnJZiOHrtqXOAOoIgkHdrE/hkwdhRXT8/Yl58SyxQZlfzKXh 3ywmuOkJw/xzIiNoxNOnYNuLOTRPZPRfCyj3BGITlQPcgNFYxpX22MhbA/681QpEdQfI 31MqCq1759KB4YXfLElR13Lm6HLJAkAHTWn1VjKMk3G3q7lB5A66629iyQKI98NDb38m vUHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754420757; x=1755025557; 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=oCGEKAkbeIoGipEXNV8T0RUXqCHxNcix8LcZk/J0Axs=; b=wsXIrcbLqAqGshSXSAZ58JpN7kDlTRVYF5WFMASiW2l+UUg8TNzHUKY2KoULSSVHj+ rqYgKYSUl3oAK8VoXjydcjSwsB3anMN33C9EJf5sxDSx9a7tHYVkyn8AIbW3rHTISVFv aZ6zH0KXCNAUQNT1ZQU2z/hFXrBlbsnVdt1vVGP2akg1Woz4YNeuX+kQZyq/PfaidP4c MpQf0N4nWMEkH3hl9Rut5gBrWnCGqWWgwWiaMkKDNb/zneuoJ+FdM5DcqBtyfkUkATPj AHO9SlyeI/koBxXm+SB5WPzYjONhMZfk7olq9kPQZDU8WkiTt+KS0vHYyDJRkTqhi/hs ilLA== X-Forwarded-Encrypted: i=1; AJvYcCV77SELPuJtfl/MSTm+X80h1v0+JXFYueZO1EBBGbt/6Wpa8HwSdzPPTdQiLAirQjVNbA0/e0x5rVDn174=@vger.kernel.org X-Gm-Message-State: AOJu0YxC5cMSwOb9h6uSn8CeLh7J7p63Q07/mueSZ8uUt+/yVViNifO3 qcoAAiKF05KMqWZe9vMpMnC+o0N+je0wp//HEF89Y98rGsvGmcvN0fdThMzf+rjTdKH5jGdxNWw fJFJaLg== X-Google-Smtp-Source: AGHT+IElV3TzNFEvi73astSTm6isgDxLFlXWng4KtkNOcbY0eY9l7+S3hsyx3YXtIUtoz742t5l8ACYhINA= X-Received: from pgah7.prod.google.com ([2002:a05:6a02:4e87:b0:b2c:3d70:9c1]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:5481:b0:240:a06:7837 with SMTP id adf61e73a8af0-2403146a502mr275717637.17.1754420757037; Tue, 05 Aug 2025 12:05:57 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 5 Aug 2025 12:05:23 -0700 In-Reply-To: <20250805190526.1453366-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250805190526.1453366-1-seanjc@google.com> X-Mailer: git-send-email 2.50.1.565.gc32cd1483b-goog Message-ID: <20250805190526.1453366-16-seanjc@google.com> Subject: [PATCH 15/18] KVM: x86/pmu: Drop redundant check on PMC being locally enabled for emulation From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Xin Li , Dapeng Mi , Sandipan Das Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Drop the check on a PMC being locally enabled when triggering emulated events, as the bitmap of passed-in PMCs only contains locally enabled PMCs. Signed-off-by: Sean Christopherson --- arch/x86/kvm/pmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index bdcd9c6f0ec0..422af7734846 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -969,8 +969,7 @@ static void kvm_pmu_trigger_event(struct kvm_vcpu *vcpu, return; =20 kvm_for_each_pmc(pmu, pmc, i, bitmap) { - if (!pmc_is_locally_enabled(pmc) || - !check_pmu_event_filter(pmc) || !cpl_is_matched(pmc)) + if (!check_pmu_event_filter(pmc) || !cpl_is_matched(pmc)) continue; =20 kvm_pmu_incr_counter(pmc); --=20 2.50.1.565.gc32cd1483b-goog