From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f197.google.com (mail-pf1-f197.google.com [209.85.210.197]) (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 E14AE46F49C for ; Tue, 28 Jul 2026 19:11:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785265896; cv=none; b=VuZlvpaw5J4jHuCVUJZnOIOWavan+XkeWwgoDG5808zpdr7rnrBiO/yVj/06neIvHVjNmtZTfLrrbxsnlvcSeKQJCPk8YgqfUssxb/AsRbVLBZaDh+E8C4oZawTqkPKUYUht2TQXx7UChRkeLrZ2Ybv7Cm9YU/lCLl1hsDVSeQ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785265896; c=relaxed/simple; bh=N3ZrdsGwfEzhZbFy0qfF5O21GAEDFFBE9xNlzK9q2uo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=G2K8xUUNN6DKnCPNbtxiU+JZuOS4wyjhAy93s1H7AE8Mb6Ems48ahhi8RGEJ5m/EzMpG8AJSfTqGGyv7MdlXrW48QuH4NqQ+ddY3tIqFuQLRDc0T2dxwt7W7Ahc5R5YUxLfvvHJmbOvdGF/KmaKhvbHQlouCDKRXUGKRjraM2kE= 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=AnwnfhoL; arc=none smtp.client-ip=209.85.210.197 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="AnwnfhoL" Received: by mail-pf1-f197.google.com with SMTP id d2e1a72fcca58-8482b95574dso204824b3a.1 for ; Tue, 28 Jul 2026 12:11:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1785265894; x=1785870694; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=oLX45j8vCen4k6YfFS7OwZXepDZJojOyGTgLYSQeZ3M=; b=AnwnfhoLwzaNDgfeev3N3WZFIr0kzXan2dVOYet0/qItvdEu3u3eO0kiRQBi7x9reg s5NXeR0y0k0uW7z67uehTq1HMPQnxNn2up9QSkDMBclern/kc9jjhOAAtewBOvgfHFor zdxnBnVtQN6pSRjAV//5Ifzqe36XN5B+gXwGSEQ3zXyUgJYzt8dg3qfKBB1mQSp66Yok elNBtQ/3QznDffKChYqeo/9b3XOPXOxnkyHR596BzSGh/2XFr89GAjaZ80cfAsPEeGNd QTTJYvqxDrMIMGwFF1u2pkzNqXIBSpg5IDnwsGk+S7+k9wiDcavffH/2oYr2U09y/q4c I7Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785265894; x=1785870694; h=content-type: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:content-type; bh=oLX45j8vCen4k6YfFS7OwZXepDZJojOyGTgLYSQeZ3M=; b=Fv4EXDlZfN0uvXJiqO09R+4M2L0x2B9o0IeBVQ4KFySt7iZ7nRSIgXFhuygCpATD5E A4E1Nw9rbzOk6hMIKavZ7pPK3U22TgkKOiLHDD//eB4wHH7tzCof4i3AdI28Hdb62e2Y qnoSpOHKEwQvpmgM2V8uEzfd7YIOcGRFGQeB35nmwKM0bG0lp9gDoCgCb40srp9UGg8c xjyJ/UW/NXa4i7zKt4gl1qpBHUb+7l/aiKGx7/cqWgrdHwcXwqdMrRoPh59TxngW94z+ U2GT0Cqbi0hCJzDQfXA4xVnK/yfHmk9SO66HZrJnal+ab21T1FYPwtdiVucXpofwI13u 2Qhg== X-Forwarded-Encrypted: i=1; AHgh+RoiRm2m0p2HZbpxqmhQ/X1UJH0N2EIR6ubkCbhpW3us0Mj0YHsX7AzEfrzp3HiI56HFsF+67SfKWHUWyzQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yx+ZHB6sFQ/t3+yuu4AwNqcs1No2f6kXlCd9xm4SdVDeUCTUTSq zesV/eTwIEFKq7FJKtF5VDT3YP5flqi8d7EJnfDhU+XMo0hBdLijL9FQ3NXPA5UzMuGyJHzSXp9 ii8ZqrQ== X-Received: from pfcp16.prod.google.com ([2002:a05:6a00:a250:b0:82f:d8c0:fef8]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:2d10:b0:848:2ae4:d2ba with SMTP id d2e1a72fcca58-84e932501c9mr3837381b3a.28.1785265893891; Tue, 28 Jul 2026 12:11:33 -0700 (PDT) Date: Tue, 28 Jul 2026 12:11:33 -0700 In-Reply-To: <20260707183405.15571-3-zide.chen@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260707183405.15571-1-zide.chen@intel.com> <20260707183405.15571-3-zide.chen@intel.com> Message-ID: Subject: Re: [PATCH 02/15] KVM: x86/pmu: Rename all_valid_pmc_idx to all_valid_pmc_mask From: Sean Christopherson To: Zide Chen Cc: Paolo Bonzini , Peter Zijlstra , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Jim Mattson , Mingwei Zhang , Das Sandipan , Shukla Manali , Dapeng Mi , Falcon Thomas , Xudong Hao Content-Type: text/plain; charset="us-ascii" On Tue, Jul 07, 2026, Zide Chen wrote: > all_valid_pmc_idx is a bitmap of valid PMC indices, not an index > itself; rename it to all_valid_pmc_mask to better reflect what it > holds. How about "pmc_exists"? All the other bitmaps start with pmc_ and describe when the bit is set for the PMC. DECLARE_BITMAP(pmc_in_use, X86_PMC_IDX_MAX); DECLARE_BITMAP(pmc_counting_instructions, X86_PMC_IDX_MAX); DECLARE_BITMAP(pmc_counting_branches, X86_PMC_IDX_MAX); DECLARE_BITMAP(pmc_has_mode_specific_enables, X86_PMC_IDX_MAX);