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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 0B84AC433E0 for ; Wed, 29 Jul 2020 12:18:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C9AF2205CB for ; Wed, 29 Jul 2020 12:18:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="NrlJIt3z"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="IWZv7P3F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726929AbgG2MSY (ORCPT ); Wed, 29 Jul 2020 08:18:24 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:41764 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726054AbgG2MSY (ORCPT ); Wed, 29 Jul 2020 08:18:24 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1596025102; 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: in-reply-to:in-reply-to:references:references; bh=Ly5lKlt5+T8rjsxUijX+AknXGpRtZhyO/+W9xI8yMEs=; b=NrlJIt3zQ4aIa5wj65OpStrRFgZ5MSXz6spZIAKfO1kOjA9cXNBgP2bQW54pLpkCrCwvIb UggMJU1I06R0lCphDduHZWs7fjdN9tW6mx69Y3wFRsK9QMfQJ5gOspgJPTNpuN+eMaxCyB N6wE4NyBf8jk80309EsKGumgG6nmIXYgOL4bI+naj2pHY4Kiu3OHDFz/ZCjbSAdSHWz3Lh IfTXldmzK6EFUKRniALL0q8K3pdWszisJfzdQlgjC7Uka/Uq6ZHoZOEUVbI4eZWIW4wbyZ 5OenmVSN3Kn48CnT506PbQyZwEKjBwHNnWnpFWdAwGJUgbbI0zyPj3mnk1EEZA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1596025102; 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: in-reply-to:in-reply-to:references:references; bh=Ly5lKlt5+T8rjsxUijX+AknXGpRtZhyO/+W9xI8yMEs=; b=IWZv7P3FRyXOaZUh/YYV0zCmYLJzVjlqQZR8JHuVqqKiihPN/iUlTmP03IWU7z3fPY95NV LZAG0I0FiRvbiKAA== To: Andy Lutomirski Cc: LKML , X86 ML , linux-arch , Will Deacon , Arnd Bergmann , Mark Rutland , Kees Cook , Keno Fischer , Paolo Bonzini , kvm list , Gabriel Krisman Bertazi Subject: Re: [patch V4 04/15] entry: Provide generic interrupt entry/exit code In-Reply-To: References: <20200721105706.030914876@linutronix.de> <20200721110808.671110583@linutronix.de> Date: Wed, 29 Jul 2020 14:18:22 +0200 Message-ID: <87sgdaa50x.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andy Lutomirski writes: > On Tue, Jul 21, 2020 at 4:08 AM Thomas Gleixner wrote: >> >> From: Thomas Gleixner >> >> Like the syscall entry/exit code interrupt/exception entry after the real >> low level ASM bits should not be different accross architectures. >> >> Provide a generic version based on the x86 code. > > I don't like the name. Sure, idtentry is ugly and x86-specific, but > irq gives the wrong impression. This is an entry path suitable for > any entry that is guaranteed not to hit during entry/exit handling. > Syscalls, page faults, etc are not "irqs". Yeah, it's exceptions and interrupts, but I did not come up with a better name so far. Thanks, tglx