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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D338EC433E0 for ; Thu, 9 Jul 2020 10:30:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4CA82074B for ; Thu, 9 Jul 2020 10:30:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="IzCvvhpv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726471AbgGIKac (ORCPT ); Thu, 9 Jul 2020 06:30:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726298AbgGIKab (ORCPT ); Thu, 9 Jul 2020 06:30:31 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76938C061A0B for ; Thu, 9 Jul 2020 03:30:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=GZFLWUIyc3VG2hyuIp/fo+DHwBuH9gLfwaAJrXrF8Lo=; b=IzCvvhpv/zodeGhHERmZaR/roF sM2uulpe7QzslQvx6aNZEz4EhJ+1v48k0nSb6cogOmrZn1CJTtYB2cdxb2fosp5Hj6RmaZyRgyA2L quHDeaThqukQOc3ax8WkeZvkfxsOrWWwYvhZ66gKkFlfwCcmuDAuTN9aYQZPyDdHZYCI51dQ+Hrd/ zYABFz7vou6OBxgf4+wyAsOfrBfE/Yzaizbmlx0WaE6tXBNqDTMtvUV0l1Fe56HzALGyHxKCxoLSd B0421IaM4tfFe3nIBzOuCMBfvricC/vRNS/LgNWmVZmqP1XjmV7Wm7H+UBxu9AecaPpKdRqPB4oU0 Yb6OS5nA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtTov-00025D-Rm; Thu, 09 Jul 2020 10:30:27 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id B547630047A; Thu, 9 Jul 2020 12:30:24 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A1EE2285718DD; Thu, 9 Jul 2020 12:30:24 +0200 (CEST) Date: Thu, 9 Jul 2020 12:30:24 +0200 From: Peter Zijlstra To: Brian Gerst Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Andy Lutomirski , Nick Desaulniers Subject: Re: [PATCH v2 02/10] x86/percpu: Clean up percpu_to_op() Message-ID: <20200709103024.GO597537@hirez.programming.kicks-ass.net> References: <20200530221127.459704-1-brgerst@gmail.com> <20200530221127.459704-3-brgerst@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200530221127.459704-3-brgerst@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 30, 2020 at 06:11:19PM -0400, Brian Gerst wrote: > + if (0) { \ > + typeof(_var) pto_tmp__; \ > + pto_tmp__ = (_val); \ > + (void)pto_tmp__; \ > + } \ This is repeated at least once more; and it looks very similar to __typecheck() and typecheck() but is yet another variant afaict.