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=-1.1 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 ED1B5C433E0 for ; Tue, 19 May 2020 20:28:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B3941207FB for ; Tue, 19 May 2020 20:28:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589920116; bh=cv6xmqv3ovI2yurgdTY3UYx7aV+dLrOOzyq3cQI3jNM=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=DxYolx6UZnC+OylobtKNo/3gZEJMOUxEp42uUOM5nGCUm+LfLQQQz2yTZyeTc+Ypw NU8YcI8Lcg57cYAceQXzg1Nh4nbxHtxoB8uMVqhaYvpHXM4IqdcThz+wTCdIdnbikJ FIWTCuoNHszfRhyQN0/tdizrUmUG+117Y99NVeng= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726447AbgESU2g (ORCPT ); Tue, 19 May 2020 16:28:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:41582 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725885AbgESU2f (ORCPT ); Tue, 19 May 2020 16:28:35 -0400 Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) (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 D0B9C20826 for ; Tue, 19 May 2020 20:28:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589920115; bh=cv6xmqv3ovI2yurgdTY3UYx7aV+dLrOOzyq3cQI3jNM=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=EEIqQDcFGkxw2H8DcIYC/z9+BzWGvVYeClibfhMZ8CwOonGz1NJ0MCDGSfLGsRl5o h6zkCOhbfr4kmz9Y9SkFh2tumCccwccwKtJPyg4ZeLWpfDvr6KXstobansgyrm12b4 FqNc8H2EFVInJF4zEp9/Kzd8qnmPfux7SskQ4vQw= Received: by mail-wr1-f54.google.com with SMTP id e16so831156wra.7 for ; Tue, 19 May 2020 13:28:34 -0700 (PDT) X-Gm-Message-State: AOAM532xtdj19ZXkg9POYgAlyMiaSqgEQj8AoCtgzc3VBXHN+qXs+0Ad vxaCd55CfY5hgLWDLVd73aaA8iOnFqVJFmi/hugdEg== X-Google-Smtp-Source: ABdhPJw0+oYmcGYQ4tCAMqU9iVvzlx9KHoJD1psit8jzF4RBp3Z4bw3DnZCwrw8oZxqMP/AAizYzwzMlpHRCG/gTY5w= X-Received: by 2002:adf:a298:: with SMTP id s24mr666239wra.184.1589920113319; Tue, 19 May 2020 13:28:33 -0700 (PDT) MIME-Version: 1.0 References: <20200515234547.710474468@linutronix.de> <20200515235126.617248111@linutronix.de> In-Reply-To: <20200515235126.617248111@linutronix.de> From: Andy Lutomirski Date: Tue, 19 May 2020 13:28:21 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V6 22/37] x86/entry: Use idtentry for interrupts 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 , Tom Lendacky , Wei Liu , Michael Kelley , Jason Chen CJ , Zhao Yakui , "Peter Zijlstra (Intel)" 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 Fri, May 15, 2020 at 5:10 PM Thomas Gleixner wrote: > > > Replace the extra interrupt handling code and reuse the existing idtentry > machinery. This moves the irq stack switching on 64 bit from ASM to C code; > 32bit already does the stack switching in C. Acked-by: Andy Lutomirski