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=-1.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 475F7C433E0 for ; Thu, 14 May 2020 04:50:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B7AE206C0 for ; Thu, 14 May 2020 04:50:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589431844; bh=7s71FvC/Ra8fPfWzI1C288e4pFvBrJZ6E6eRlQ3VLbs=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=cPVSmh3n5Qo+ruVGtOuTXPH6QN5souaAPGOnfjkxdjF64gua85B3sTIyu7TO874OF 0Kg1xJwKBWzpJ1xIHsyhsEKKugxD9Sbjl6jvPJwNthbP0htZFilX4/Q9NsLEpiCphH O5aMzDAb4e8iY4oYRLmIwsz7rlvHuXxhlg9O9z14= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726142AbgENEun (ORCPT ); Thu, 14 May 2020 00:50:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:37444 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725794AbgENEum (ORCPT ); Thu, 14 May 2020 00:50:42 -0400 Received: from mail-wr1-f51.google.com (mail-wr1-f51.google.com [209.85.221.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DEEC820728 for ; Thu, 14 May 2020 04:50:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589431842; bh=7s71FvC/Ra8fPfWzI1C288e4pFvBrJZ6E6eRlQ3VLbs=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ihfFJ/20IXoiKRPpLknrCfv6677LqUQCxOQbm7gGE05UEwb30LP3fUuClIwuVj4xI 1xRq515Y46Sa8r4inr3+oT3+7N7qfWFiLJFpH/UTsqqrfc/vOz3k2Zxzx9GNSha3Ci jm0aW1I25n073+VLgWhTm1eS67MB1bN+Yj0ZY/2w= Received: by mail-wr1-f51.google.com with SMTP id l17so2133779wrr.4 for ; Wed, 13 May 2020 21:50:41 -0700 (PDT) X-Gm-Message-State: AOAM5306aR5aCHFWUqPwJLbzjkA+/NDX4WDNqHQfdv/sQlVqMSv9WbWb 7JMhgfqbXgSUTT8LOOThEQufF86i4EmOLrCe+u4XSg== X-Google-Smtp-Source: ABdhPJxg5jqNf7alvFhE1Ed7nw8T+ylnhEiiNfcE0OZzlqAm6PU50bgDK4l0aR2BhG2oPRxwSAYP9Hanhzt1/g7cS+k= X-Received: by 2002:adf:f446:: with SMTP id f6mr3041841wrp.75.1589431840312; Wed, 13 May 2020 21:50:40 -0700 (PDT) MIME-Version: 1.0 References: <20200505134354.774943181@linutronix.de> <20200505134905.928967113@linutronix.de> In-Reply-To: <20200505134905.928967113@linutronix.de> From: Andy Lutomirski Date: Wed, 13 May 2020 21:50:29 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V4 part 3 27/29] x86/entry: Convert Alignment check exception to IDTENTRY To: Thomas Gleixner Cc: LKML , X86 ML , "Paul E. McKenney" , Andy Lutomirski , Alexandre Chartre , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 5, 2020 at 7:15 AM Thomas Gleixner wrote: > > From: Thomas Gleixner > > Convert #AC to IDTENTRY_ERRORCODE: > - Implement the C entry point with DEFINE_IDTENTRY > - Emit the ASM stub with DECLARE_IDTENTRY > - Remove the ASM idtentry in 64bit > - Remove the open coded ASM entry code in 32bit > - Fixup the XEN/PV code > - Remove the old prototyoes > - Remove the RCU warning as the new entry macro ensures correctness > > No functional change. Acked-by: Andy Lutomirski