From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A20C9C25B47 for ; Tue, 24 Oct 2023 21:00:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344352AbjJXVAO (ORCPT ); Tue, 24 Oct 2023 17:00:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234934AbjJXVAM (ORCPT ); Tue, 24 Oct 2023 17:00:12 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9E5010D4 for ; Tue, 24 Oct 2023 14:00:10 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d8486b5e780so5736616276.0 for ; Tue, 24 Oct 2023 14:00:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698181210; x=1698786010; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=rx1aphW+wLumWiPBC/N1xqdOchKFOo2y16E65jjAifE=; b=0i9fCdBpRlwOwZ/XuYHj1MX6Mv/tIzlSyYnzn4vsCA2aUOkRoIFrL84S1YzvrE4YYT cae2IrRqAqan8q3vYWI7+k/wf4qirn8ZX29UaDOmxxcokMJdcUdLJpAhbyhpL/E2mYqB rbCb+ynlzhGGDPdJpDOY+YY8vfR7gWV/d9Vpb/Cg7uZ27YNGQSE/HTFeOlI43mXvMeOI 4VBkGF434+r6ZW5/q3i8Qd2IM6U97o9yveMgsjO7eEuJhoIa+RCI1yuvOA5trxbc56nR 2Zn1DocN4QXK57UiERbU2gOAvLqN4+V6aKs1Xywe5dJ4/ou+Vx4cEyYlFel+iT+EPRyF o0Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698181210; x=1698786010; h=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=rx1aphW+wLumWiPBC/N1xqdOchKFOo2y16E65jjAifE=; b=UCMJX+NHRUdbKzivXpTrCWekQ//N11Pr9knwg5dpoG1f/z/OzrNiQM68ZXWQI/KyUB GYeK0T0a51l6WipyWriSQiIrzXR6IgeAnOXTKKMeEusc0E7SlZquEWM1C46iw9JSF1ro L/+XEroP2ymJfRq3pxkeDJDp+kBcr85mXcroGn5lFxD9XqYPDwKr5g+3KlWYu02rSEvG I6mWImOOjK7iGxrQNwUZAOvdOOFrBIzLH6MCZGbk/GzDUok/UGw7hYMoJI3qK7DXmVPE ll0S+SeqebViM0HqQ5BD/L6mcQ+mnVJlXeO4bQ/RRRxalYRJbP0ywJ/EddiL6wOK0wN+ /2og== X-Gm-Message-State: AOJu0YwQSzFD+Etq+x5uM2W85BQ8Pz9XhTLdU2lFcvmzZadelzCSJGAr XspwyqlToLZUsV2uoCJu5ah2nD1c+pw= X-Google-Smtp-Source: AGHT+IHoJiRD6LfUeV0MWaXh/VhI2enV6J0pzuXY0GRPlEWywrnKU/tBD610XkUJErtxmF7tsksMDhNN2Ms= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:3507:0:b0:da0:42f3:6ce4 with SMTP id c7-20020a253507000000b00da042f36ce4mr51861yba.7.1698181209838; Tue, 24 Oct 2023 14:00:09 -0700 (PDT) Date: Tue, 24 Oct 2023 14:00:08 -0700 In-Reply-To: Mime-Version: 1.0 References: <20231024002633.2540714-1-seanjc@google.com> <20231024002633.2540714-9-seanjc@google.com> Message-ID: Subject: Re: [PATCH v5 08/13] KVM: selftests: Test Intel PMU architectural events on gp counters From: Sean Christopherson To: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Jinrong Liang , Like Xu Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 24, 2023, Sean Christopherson wrote: > On Mon, Oct 23, 2023, Sean Christopherson wrote: > > +static void test_intel_arch_events(void) > > +{ > > + uint8_t idx, i, j; > > + > > + for (idx = 0; idx < NR_INTEL_ARCH_EVENTS; idx++) { *sigh* Yet another KVM bug that this test _should_ catch, but doesn't because too many things are hardcoded. KVM _still_ advertises Top Down Slots to userspace because KVM doesn't sanitize the bit vector or its length that comes out of perf.