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 DD7BDC87FDC for ; Wed, 7 Jun 2023 20:35:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234042AbjFGUfw (ORCPT ); Wed, 7 Jun 2023 16:35:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233949AbjFGUfd (ORCPT ); Wed, 7 Jun 2023 16:35:33 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 432F71FEE for ; Wed, 7 Jun 2023 13:35:22 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id 41be03b00d2f7-53ff4f39c0fso2492857a12.0 for ; Wed, 07 Jun 2023 13:35:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1686170122; x=1688762122; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=anERRIco3r2Pzu1okFsSErGwX1u57H4zjQoU+iEzkG4=; b=v9vEEwAMrri+MzNgtR7kom2JjQE8LGwrhVherJ4PLHkyGznRbW9tBY07mSU7dvZzCR 2Q4fobuI4mgLUsB2dXmumVzw6WHTrtPn6llvWR1Wzi1Tz0Q2pnjGQf0swgsaK24vm3Nt s1O38Nqo/1yG28o1FfOpQeDsHfets6OOQLmhx+MkMziQL/D68nrHoRKAEFWgYjd4oWYa ThAvUZbimDpv+/BZPybxj/+mw5N9P63fL8l6WRyoIfH4Lk4lrQiytdUabEeuHpO+iLbU W/J0DI/pnL7YYmConS9FaWuCMxKlTv+1hVA3LBTWre2qm/83EhUOOdmFzioq4hoOnAUh 9+tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686170122; x=1688762122; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=anERRIco3r2Pzu1okFsSErGwX1u57H4zjQoU+iEzkG4=; b=cZRerhd5sZZaLgQFuOkjlg5mDf00LeyuI74YeiDEsvOwMx5Te/WoblLB3rbk9GUImb 1j/hr/PEYpv5hqLKZE3fK8Iuw93VsAKRdBzpphOwjroPV02I3rTm2GwhZoDSmGD+pwys 30T+kH3/tWYfqNnsaMCPIgt/AxX+Yra4NxCcQSZDcGZRMT0+i8OXAqO7lfJbZtCcPClW tzwuV1YZSfq8eh3n5cFIt3nSs+9p8B/vft0oTKCJl4TFfmR2PFaPOwwfCWlKZjZTX5N+ HXzlHrvt7ram2QTivoROj/ZCY11bzfUNEh+anXwE9ENaiAlKCdh8D8F3IfYMU1T447/J UJ5A== X-Gm-Message-State: AC+VfDy8MrLKhZy1uc7Ix3znlKQBguGlZxQzE9/8yqUqRnWfQCWsBOt3 kAiSRIY7zNMILGJJyReBFmv8wdMQfyk= X-Google-Smtp-Source: ACHHUZ5ZK6Xqa68JBAcMUPiTMq8fiwzwrpi4nBTZWtdO8d3+4CXjpbW4rXaILDLepv5Ij16X/l210HWhM4o= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:902:7008:b0:1ae:5d12:743a with SMTP id y8-20020a170902700800b001ae5d12743amr2022899plk.4.1686170121670; Wed, 07 Jun 2023 13:35:21 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 7 Jun 2023 13:35:16 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.41.0.162.gfafddb0af9-goog Message-ID: <20230607203519.1570167-1-seanjc@google.com> Subject: [PATCH 0/3] KVM: SVM: Clean up LBRv MSRs handling From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Michal Luczaj , Yuan Yao Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eliminate dead KVM_BUG() code in SVM's LBR MSRs virtualization by refactoring the code to completely remove any need for a KVM_BUG(), and clean up a few others pieces of related code. Sean Christopherson (3): KVM: SVM: Fix dead KVM_BUG() code in LBR MSR virtualization KVM: SVM: Clean up handling of LBR virtualization enabled KVM: SVM: Use svm_get_lbr_vmcb() helper to handle writes to DEBUGCTL arch/x86/kvm/svm/svm.c | 63 ++++++++++++++---------------------------- 1 file changed, 20 insertions(+), 43 deletions(-) base-commit: 24ff4c08e5bbdd7399d45f940f10fed030dfadda -- 2.41.0.162.gfafddb0af9-goog