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 6FFB0C25B47 for ; Mon, 23 Oct 2023 18:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230368AbjJWS4u (ORCPT ); Mon, 23 Oct 2023 14:56:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230171AbjJWS4r (ORCPT ); Mon, 23 Oct 2023 14:56:47 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1943E110; Mon, 23 Oct 2023 11:56:46 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8CF3C433C8; Mon, 23 Oct 2023 18:56:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698087405; bh=RKQ1pbNtIiiIYv1ffY3rTP4iIBSITuSmtnVZMc7D0fA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=l94/Yqjx0pS0ri8nG0RUzL16OruKvi8dMjYHWpDbZtbBjoRaONTmJH1o9kqKijb4G RGVM0arXQFOZ8fQH8q0aSuTWtbq/HnAgEgjEEBHol0EnvaBTCG9x37m9Oq9HLWhGBa kAe75jrQ/W4rMZyRJ6Bt//lkfj18Ou++/4cBHqeWE9DzYkjm+tISl63ya7seszPfyi zlFz+hnann6vD2dM3v7vxtvf8BIB1SbGRGEnE/+i6tGNnIB/Il8Qdipu/O+vE8A29d kqLJDb0oWum0AuGWjBnnEzV1OwWCV7jTNGNNqwhc7r4v+NVsmPsUQ/jHAByHIQ2GF3 pdUhuOiRVCkYw== Date: Mon, 23 Oct 2023 11:56:43 -0700 From: Josh Poimboeuf To: Pawan Gupta Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Andy Lutomirski , Jonathan Corbet , Sean Christopherson , Paolo Bonzini , tony.luck@intel.com, ak@linux.intel.com, tim.c.chen@linux.intel.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, Alyssa Milburn , Daniel Sneddon , antonio.gomez.iglesias@linux.intel.com Subject: Re: [PATCH 6/6] KVM: VMX: Move VERW closer to VMentry for MDS mitigation Message-ID: <20231023185643.oyd4irw43ztdqtps@treble> References: <20231020-delay-verw-v1-0-cff54096326d@linux.intel.com> <20231020-delay-verw-v1-6-cff54096326d@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20231020-delay-verw-v1-6-cff54096326d@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 20, 2023 at 01:45:29PM -0700, Pawan Gupta wrote: > @@ -31,6 +32,8 @@ > #define VCPU_R15 __VCPU_REGS_R15 * WORD_SIZE > #endif > > +#define GUEST_CLEAR_CPU_BUFFERS USER_CLEAR_CPU_BUFFERS I don't think the extra macro buys anything here. -- Josh