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 95848C433EF for ; Tue, 14 Dec 2021 23:07:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238128AbhLNXHJ (ORCPT ); Tue, 14 Dec 2021 18:07:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238082AbhLNXHI (ORCPT ); Tue, 14 Dec 2021 18:07:08 -0500 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD135C061574 for ; Tue, 14 Dec 2021 15:07:08 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id gj24so1733346pjb.0 for ; Tue, 14 Dec 2021 15:07:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=jer1i5vFNhou51G7Bt1yKsl5KXF9bp6/PXOx9zRYyGg=; b=lZi9I+CyW7rroYqWoRo7GvjJABV+BmFMSLUJnzLvuQzTtawa+SsckJ3iHogQyc+yoc I5GtGknTtEG5qZWwAbM+h8rbCGGrltfsnXCmA0zuX8xK0UIRkxQXVRm/1zfiiA7vwyqK lcsvCdx/l311WkQwwEsea4aj+7QhdeDoO+j+Zm107kSHdBo6iqPAFbuEc+LiPE1CDyia 7GMhPl+u3njWOyVmgNu2LXiGjiN3jWEWgls9wRdyyLfVJC6Vw9kjSHBuquhvLuH5HbcE 4T1gkRFdwhNx1QhY0ZD47kUHmj4pNZQOYDVcx60t3pyWtv3c7tpS/6DBqIo+cCJiHKoD KNQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=jer1i5vFNhou51G7Bt1yKsl5KXF9bp6/PXOx9zRYyGg=; b=Y/MS+jNh2kndMDuFk9+8nlqBrTAX45X0i9gSuC4GD9mw87hWKLstXch1fAsdgbhdJ2 40pD85VF92AVRgqv+c488SxxAaJKu6Znvgju9BkDVSOPTGPJhb2imhAZu5IG8mG0hgmt aV1f1XhqoXrRPqw+B77OKA/hWxQp9Du4VOsDTT1a1/2Klftomhcg8RJ+pFBhkyyL3Wu3 BUCzJypHbrtvQBZOEFOOsgzhPeaAV2dpVisUcAB5U2Qe7JY+K3tuK1sXgVge25fwT5gX UrYviz2jZatnd6ByqTSeeaQSMA034cQhlykN14oTXB0b/uoC/idwiCaXeGH80IPEpukV gaUA== X-Gm-Message-State: AOAM5330aV6K+BADeBAb/jd9Bmg6Pwq0eAJjVkKrtzvUZiNPdlEnFHv1 J7FfutAoeqnUqvkN2hNhbHD32A== X-Google-Smtp-Source: ABdhPJwpdGISaU3XOpuFv04YLLeKzNx/4y9MbROfNoJe60SFISlkP1msnidU1FIgiDjoGxse0KLm1Q== X-Received: by 2002:a17:902:e890:b0:148:a2e7:fb3c with SMTP id w16-20020a170902e89000b00148a2e7fb3cmr1681453plg.125.1639523228133; Tue, 14 Dec 2021 15:07:08 -0800 (PST) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id m6sm94896pgs.18.2021.12.14.15.07.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 15:07:07 -0800 (PST) Date: Tue, 14 Dec 2021 23:07:04 +0000 From: Sean Christopherson To: Peter Zijlstra Cc: x86@kernel.org, linux-kernel@vger.kernel.org, jpoimboe@redhat.com, mark.rutland@arm.com, dvyukov@google.com, pbonzini@redhat.com, mbenes@suse.cz Subject: Re: [PATCH v2 16/23] x86,vmx: Provide asm-goto-output vmread Message-ID: References: <20211110100102.250793167@infradead.org> <20211110101325.840433319@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 14, 2021, Peter Zijlstra wrote: > On Tue, Dec 14, 2021 at 06:44:48PM +0000, Sean Christopherson wrote: > > --- > > arch/x86/kvm/vmx/vmenter.S | 2 ++ > > arch/x86/kvm/vmx/vmx.c | 7 +++++++ > > arch/x86/kvm/vmx/vmx_ops.h | 31 +++++++++++++++++++++++++++++++ > > 3 files changed, 40 insertions(+) > > > > diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S > > index 3a6461694fc2..d8a7a0a69ec1 100644 > > --- a/arch/x86/kvm/vmx/vmenter.S > > +++ b/arch/x86/kvm/vmx/vmenter.S > > @@ -238,6 +238,7 @@ SYM_FUNC_END(__vmx_vcpu_run) > > > > .section .text, "ax" > > > > +#ifdef CONFIG_CC_HAS_ASM_GOTO_OUTPUT > > #ifndef ? Huh. Yes. Could have sworn my gcc version doesn't have goto with output.