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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 65473C433EF for ; Wed, 19 Jan 2022 23:53:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:In-Reply-To: Date:References:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bRkosnVna7d/Qbek46r82ku+2vfNc9EfN0gQg3G7qS8=; b=HLxv6U33Y8SNZ5 nbDtRmbxDUAu+77yMu36NFtxIfmNrvTD4T1Sn1b+7Gtgof6LHPw1Qsipnq1ZucxrzaeKhVYqZ73eO bmv7S9No3SwTiL18du5KMaDUAhqAsAz9mZgLdErIrwbhKmCodSOsMuMR1RpyWwmpQPjNgKaje0VY0 e9Kx0FwT6HqO41+fDjjSg/W+H7/g/8IZdAaIBGlhGMSvVRKCKtXVrIR8KidCJ2JoqVmmgPNtid8O4 H+DgyykvkkVfzf1PAUq88HAuxWAIr61kSpn2W2sd+ixIpyImsgocKe3FvalohWqAIMeWx5nUFdxFY BfwCx58eJ8RXkLfE8MwA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nAKlU-007rIL-7U; Wed, 19 Jan 2022 23:53:20 +0000 Received: from mail-out.m-online.net ([2001:a60:0:28:0:1:25:1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nAKlQ-007rHB-Mh for linux-riscv@lists.infradead.org; Wed, 19 Jan 2022 23:53:18 +0000 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4JfMsJ5Bttz1s9Mk; Thu, 20 Jan 2022 00:53:08 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4JfMsJ4Hbyz1qqkB; Thu, 20 Jan 2022 00:53:08 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id dRGOlz5u8L7s; Thu, 20 Jan 2022 00:53:07 +0100 (CET) X-Auth-Info: 9m4bgV9T2M+yZZxp4SgYjNeW8kikBjyhixaHbLns0GY06zMhMO/XYHIJRr/oHbKB Received: from igel.home (ppp-46-244-165-91.dynamic.mnet-online.de [46.244.165.91]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Thu, 20 Jan 2022 00:53:07 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 1F9032C3AD3; Thu, 20 Jan 2022 00:53:07 +0100 (CET) From: Andreas Schwab To: Jessica Clarke Cc: Changbin Du , Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-riscv , linux-kernel@vger.kernel.org Subject: Re: [PATCH] riscv: eliminate unreliable __builtin_frame_address(1) References: <20220117154433.3124-1-changbin.du@gmail.com> <87v8yg6lhf.fsf@igel.home> <8735lj78wu.fsf@igel.home> <8F8D535F-3637-4BC7-8853-B709EC5D14C9@jrtc27.com> <87y23b5t9g.fsf@igel.home> X-Yow: Now my EMOTIONAL RESOURCES are heavily committed to 23% of the SMELTING and REFINING industry of the state of NEVADA!! Date: Thu, 20 Jan 2022 00:53:07 +0100 In-Reply-To: (Jessica Clarke's message of "Wed, 19 Jan 2022 21:27:46 +0000") Message-ID: <87tudz5llo.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220119_155316_919262_2C475753 X-CRM114-Status: GOOD ( 10.17 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gSmFuIDE5IDIwMjIsIEplc3NpY2EgQ2xhcmtlIHdyb3RlOgoKPiBXaGF04oCZcyB5b3VyIHBv aW50PwoKTExWTSBkb2Vzbid0IGhhdmUgdG8gZGVhbCB3aXRoIHRoZSBleHRyYSBjb21wbGV4aXR5 LgoKPiBkb2VzbuKAmXQgbWVhbiBvdGhlciB0b29sY2hhaW5zIHRoYXQgZG8gbmVlZCB0aGF0IHRv IGJlIGNvcnJlY3Qgc2hvdWxkCj4ganVzdCBkbyBzb21ldGhpbmcgd3JvbmcuCgpfX2J1aWx0aW5f ZnJhbWVfYWRkcmVzcyB3aXRoIGNvdW50ID4gMCBpcyBjb25zaWRlcmVkIGJhZC4gIE5vYm9keSBz aG91bGQKdXNlIGl0LgoKWW91IGRvbid0IGhhdmUgdG8gYmUgYXJyb2dhbnQuCgotLSAKQW5kcmVh cyBTY2h3YWIsIHNjaHdhYkBsaW51eC1tNjhrLm9yZwpHUEcgS2V5IGZpbmdlcnByaW50ID0gNzU3 OCBFQjQ3IEQ0RTUgNEQ2OSAyNTEwICAyNTUyIERGNzMgRTc4MCBBOURBIEFFQzEKIkFuZCBub3cg Zm9yIHNvbWV0aGluZyBjb21wbGV0ZWx5IGRpZmZlcmVudC4iCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKbGlu dXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==