From patchwork Fri Mar 11 10:26:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 12777757 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 4A036C433EF for ; Fri, 11 Mar 2022 10:32:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347893AbiCKKdJ (ORCPT ); Fri, 11 Mar 2022 05:33:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237094AbiCKKdI (ORCPT ); Fri, 11 Mar 2022 05:33:08 -0500 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34E0A1B8C80; Fri, 11 Mar 2022 02:32:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646994725; x=1678530725; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=1aief/3/s2+LNVFmqBrg7W4OFyMyskfUiP8fctxmftM=; b=fdGNMloYkYWLDpgcE8yh55F/GN0h05Sk9NMxBFd7W2ul0H2LsrgaNTSl s4AHwc2tcefJ8j/abfQ0lR6sJPLYibfEbreej0nZ0rpNCAnm+vUHhhvqV hooY/qc/vNnTZ3w0ku7bQMq32agfR1MUaO2Arn75eNV1lDK+GSbpj6M3H 9sMJUU3LhYTEMKmyOdbkTVMkGxVnt6Tz36zcRQvpTIOz/Fs5ZkJFGOyTb OByN5tM2/U5I/NLrroW/tnZOXlAQEmSFc1LqoNXjqDqnlru7cHVFf80kb J3ma+AVo4fxf6DksYDobrUu6dxp/cCU1/DoEpOJ/8T0vZMVSd+gJc8Teg Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10282"; a="341976359" X-IronPort-AV: E=Sophos;i="5.90,173,1643702400"; d="scan'208";a="341976359" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2022 02:32:04 -0800 X-IronPort-AV: E=Sophos;i="5.90,173,1643702400"; d="scan'208";a="538955693" Received: from duan-server-s2600bt.bj.intel.com ([10.240.192.123]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2022 02:32:02 -0800 From: Zhenzhong Duan To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org Subject: [PATCH v2 0/2] minor cleanups on efer emulation Date: Fri, 11 Mar 2022 18:26:41 +0800 Message-Id: <20220311102643.807507-1-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org These two patches remove some redundant code related to mode switch and EFER emulation. Sanity tested with kernel in L0, L1 and L2 all patched. v2: Split to two patches and use comments from Sean to explain why it's secure to remove them, suggested by Sean. Zhenzhong Duan (2): KVM: x86: Remove unnecessory assignment to uret->data KVM: x86: Remove redundant vm_entry_controls_clearbit() call arch/x86/kvm/vmx/vmx.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-)