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,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6DACDC433DB for ; Thu, 11 Mar 2021 12:52:10 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D130E64FC3 for ; Thu, 11 Mar 2021 12:52:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D130E64FC3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=69xP+vBhaI9W+UmVTcZcbUBY5PiPAz05IM8d5dkUQpE=; b=adSnnGU3yYSk1oE+LUzwyCPsw 5UI+fR3wOvsr8BAlYjfEc+zJzanjIiBHiTn/jpmDfMRosmey7yatDk8KcXGZYN9/oNCTEBS58Tq1B HWEPGhnootPNth5T4chbnL3aYUtDA0M5AlIjcq7tuBNJHj5dtdl3EM58sLtcvuvR4QjRdONJ9flb+ 19CZLUocFJVicHPgzkAla6nADhh9Th5M+IDU47XK8qBJf9qSIFMGYoIKBRL02AdWM1eGNxmZsOHO+ sFncRVdbDc/Rxm6psFjcDwm0OQQCASCscsADh6eUN5oi/k5TfRhSV7sLPG5UHY0xQE1UldmlMkUov JAdVr66MA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lKKly-0099Ka-TT; Thu, 11 Mar 2021 12:50:39 +0000 Received: from mail.skyhub.de ([2a01:4f8:190:11c2::b:1457]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lKKlr-0099JJ-N2 for linux-arm-kernel@lists.infradead.org; Thu, 11 Mar 2021 12:50:36 +0000 Received: from zn.tnic (p200300ec2f0e1f0084acfb80b2ea2480.dip0.t-ipconnect.de [IPv6:2003:ec:2f0e:1f00:84ac:fb80:b2ea:2480]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 570341EC04C0; Thu, 11 Mar 2021 13:50:30 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1615467030; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=YQoMnM+JalduchtvnnRdDi537/sQjYe69dpZBUUIePI=; b=oOGUaSre4XzUs+lxkz7FD2kSZBN8NksBkfckW/+qTHl8JbaxYlJ6NN8Mbc1R2n11m55CFf P73fj+xpCfOCQDtCPXJIYK1D6MwZPiXIwvgaAfFGUGzDJZaZCXkLGAHUC5DtKeJD/Osqtp IAS+CcgMs7OmmLqg6Q3uUtquB4Svgws= Date: Thu, 11 Mar 2021 13:50:26 +0100 From: Borislav Petkov To: Juergen Gross Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, x86@kernel.org, virtualization@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, kvm@vger.kernel.org, clang-built-linux@googlegroups.com, Peter Zijlstra , Josh Poimboeuf , Jason Baron , Steven Rostedt , Ard Biesheuvel , Deep Shah , "VMware, Inc." , Russell King , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Boris Ostrovsky , Stefano Stabellini , Andy Lutomirski , Nathan Chancellor , Nick Desaulniers Subject: Re: [PATCH v6 00/12] x86: major paravirt cleanup Message-ID: <20210311125026.GB5829@zn.tnic> References: <20210309134813.23912-1-jgross@suse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210309134813.23912-1-jgross@suse.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210311_125032_590435_403DCFFB X-CRM114-Status: GOOD ( 18.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 09, 2021 at 02:48:01PM +0100, Juergen Gross wrote: > This is a major cleanup of the paravirt infrastructure aiming at > eliminating all custom code patching via paravirt patching. > > This is achieved by using ALTERNATIVE instead, leading to the ability > to give objtool access to the patched in instructions. > > In order to remove most of the 32-bit special handling from pvops the > time related operations are switched to use static_call() instead. > > At the end of this series all paravirt patching has to do is to > replace indirect calls with direct ones. In a further step this could > be switched to static_call(), too. > > Changes in V6: > - switched back to "not" bit in feature value for "not feature" > - other minor comments addressed Ok, looks real good, the simplification is amazing! :) Can you please redo with the minor nits addressed ontop of the tip:x86/alternatives branch: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=x86/alternatives and move the cleanups patches 13 and 14 to the beginning of the set? Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel