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[2620:137:e000::1:20]) by mx.google.com with ESMTP id mp37-20020a1709071b2500b006e88579e94fsi2574936ejc.798.2022.06.08.20.47.44; Wed, 08 Jun 2022 20:48:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=YbmYAzZz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237006AbiFICp3 (ORCPT + 99 others); Wed, 8 Jun 2022 22:45:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229590AbiFICp1 (ORCPT ); Wed, 8 Jun 2022 22:45:27 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 102AC4093F for ; Wed, 8 Jun 2022 19:45:25 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CBB3761BA9 for ; Thu, 9 Jun 2022 02:45:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 07309C34116; Thu, 9 Jun 2022 02:45:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1654742724; bh=liHYB5MjVloFW14PtZqTFqJy0vZgK1FUxsXJ/i8hDL8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YbmYAzZzENyPQ4133WMT4e3SjZHXYCPw/M3z0SeDVFqcpo6npi47pwYW0M4oqI9PN /yE5mvS0tscWf5CbgvBB3f2ipzPCYMUZ9n7ijbPKyXGO1gEIv9ijex8tvkRGvpTK4T O7RC0Struzvj8Fg0vNm4b9wJNhF9ZIHlv4NwhrQtnI8l3Tgiyr8L1XVQJzj3p4/XVm 01oES7OU4ebv8Kv2PF8rKnH3d4qH+REG5gmr+lQwByCf0jd+DqcTO9JV2bOguji7mr XJN5mOzwmjYZU6UMFNlJtCYsDHYQr6K9x4R7j2fJwVe6lKxoCjP+CrJ4v5SaRjDw+R uojf9yZo4TjrA== Date: Wed, 8 Jun 2022 19:45:22 -0700 From: Josh Poimboeuf To: Byungchul Park Cc: peterz@infradead.org, jpoimboe@redhat.com, bp@suse.de, linux-kernel@vger.kernel.org, kernel-team@lge.com Subject: Re: [REPORT] RESERVE_BRK() doesn't work for some cases Message-ID: <20220609024522.7zaqp4rm3j6dhmdn@treble> References: <1654738251-23522-1-git-send-email-byungchul.park@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1654738251-23522-1-git-send-email-byungchul.park@lge.com> X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 09, 2022 at 10:30:51AM +0900, Byungchul Park wrote: > commit a1e2c031ec3 "x86/mm: Simplify RESERVE_BRK()" changed the behavior > by compiler and assembler. > > Some strings obtained just by __stringify() cannot be interpreted by > some assemblers. > > It might need to allow to put input for size within inline asm. Yes, this was reported already. I'm posting a v2 fix tomorrow. -- Josh