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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C47BC4743C for ; Mon, 21 Jun 2021 13:17:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1557C611C1 for ; Mon, 21 Jun 2021 13:17:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230052AbhFUNTe (ORCPT ); Mon, 21 Jun 2021 09:19:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229707AbhFUNTd (ORCPT ); Mon, 21 Jun 2021 09:19:33 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C795C061574 for ; Mon, 21 Jun 2021 06:17:18 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id c84so10465811wme.5 for ; Mon, 21 Jun 2021 06:17:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Wdw3Xub1vfifwdphbEo9GcuHgqK1JATecHa5k7b/FLo=; b=iCF4WX4ehsc4ylLVQWpFtiAxcb+TgsB72cfmMkZkivtGsJ8D8zbJwFajxsvIZV053o polIS3DQkewWeSWonQS306Ym1TNW4dkvz7RKh2+3GsMiGOcSgxPTLkxZROH4xg/qBuom dwl/aAe2IW6BRYD7X9fXNpiWuiEhJokEKF6QytXZm7/hhKypDXkoMtR84IHZGW6+iNnq M1NQiZQLw6eoYnkp30f8CoN6DgEdpTJ8usM1jeBsXLfp7HALqrZZEMVj29M9X3QlOzmC VUNg5LUmP6A/+6eZfo4BDlDF5ow5/elXMLeJQL3UgTGkZlnGT5v6f2XMpVnUeAmNH9ou llUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=Wdw3Xub1vfifwdphbEo9GcuHgqK1JATecHa5k7b/FLo=; b=iQGIcyEVtzp2FNKjNMN1WrtFBFZFKPM04uMVZI5iPlOQL2EoWbxS7yFVuruVhaCs3b m1CSRiQlxAxT0xFd0fTZaZmwhI7ncvWctNZ+5mVHnE0e+7Fdxq2gG1/Gd/aliikP3ZHs DXcnoGFlNlpooSKDHhJ8iM/6WPJucR4fR1Sr5F+ftUy6q6C3P10uiUkxMFB8PVIM56rF qx5ncu1ZKkm+CxIHT58ksKd5c26Ub+tVg3yH24YhqXUvzTqGLortdIT+57cT0Rtc9HvI WA+7wEFg5Usot/3z+TpS7ePpvlPc3CRTOOY2EJSEn/D3vKEcWCylbIEQC2Qk+soLO4xx xhQA== X-Gm-Message-State: AOAM533hqpOyPq/mb17zvyQ9XiptYLPO8qLf1HG2XVOKvsVqCrE7vdSf hUTu4ZY6UHmIfW8Bq1R/cgpVv4l6cEQ= X-Google-Smtp-Source: ABdhPJyADL1f3yx8iBXXmJRLez6f86SlywPf6zra1TpeQmKNcKUFnxD0hrptRunEcoGdk/Tp1NTGVg== X-Received: by 2002:a05:600c:190a:: with SMTP id j10mr5323233wmq.44.1624281437191; Mon, 21 Jun 2021 06:17:17 -0700 (PDT) Received: from gmail.com (0526E2ED.unconfigured.pool.telekom.hu. [5.38.226.237]) by smtp.gmail.com with ESMTPSA id t9sm16799956wmq.14.2021.06.21.06.17.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 06:17:16 -0700 (PDT) Sender: Ingo Molnar Date: Mon, 21 Jun 2021 15:17:14 +0200 From: Ingo Molnar To: Peter Zijlstra Cc: jpoimboe@redhat.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, joro@8bytes.org, boris.ostrovsky@oracle.com, jgross@suse.com, x86@kernel.org, mbenes@suse.com Subject: Re: [RFC][PATCH 00/18] objtool/x86: noinstr vs PARAVIRT Message-ID: References: <20210621111233.344964031@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210621111233.344964031@infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > Hi! > > Per long standing request from Thomas, this here mostly sorts the whole noinstr > validation vs PARAVIRT. > > It isn't exactly pretty or robust, but it does work. > > So far only tested on x86_64-defconfig+kvm_guest.config+xen.config. I did a > quick allyesconfig build, but still saw some funnies with that, will poke at them. Didn't see anything weird in these patches. Reviewed-by: Ingo Molnar Thanks, Ingo