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[23.128.96.32]) by mx.google.com with ESMTPS id y14-20020a17090a784e00b0026821262c7csi8599564pjl.116.2023.10.23.01.43.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Oct 2023 01:43:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; dkim=pass header.i=@xry111.site header.s=default header.b=jKwtdBW+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=xry111.site Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 12B1C805A799; Mon, 23 Oct 2023 01:43:46 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229848AbjJWInl (ORCPT + 99 others); Mon, 23 Oct 2023 04:43:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229513AbjJWInk (ORCPT ); Mon, 23 Oct 2023 04:43:40 -0400 Received: from xry111.site (xry111.site [89.208.246.23]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E81B0AF for ; Mon, 23 Oct 2023 01:43:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1698050611; bh=5sGQLj6Xe46sp6vsAAGQQglvUAz3OFwB9FX1yIiN66M=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=jKwtdBW+zLw3ADx5pYsywAV1ucmNbz6JD+sg07zzSGSUugKIlUoR15wdiiV3kaC5y 8EP6476kRPacm9EeenCUuq1xlgM2E6S7d03kNNRJxtN2diKnEax/6f5B35Pek9i8db gZUbxUemJbCybBSBA/TfbxYLTlNX9Gy7CSYQEA5M= Received: from [127.0.0.1] (unknown [IPv6:2001:470:683e::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 1495866B50; Mon, 23 Oct 2023 04:43:28 -0400 (EDT) Message-ID: <4d3363eb5f4d864cfd171d89b1a13da5ef8b784c.camel@xry111.site> Subject: Re: [PATCH v4 8/8] LoongArch: Add ORC stack unwinder support From: Xi Ruoyao To: Tiezhu Yang , Josh Poimboeuf , Peter Zijlstra , Huacai Chen Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn Date: Mon, 23 Oct 2023 16:43:26 +0800 In-Reply-To: <1698048691-19521-9-git-send-email-yangtiezhu@loongson.cn> References: <1698048691-19521-1-git-send-email-yangtiezhu@loongson.cn> <1698048691-19521-9-git-send-email-yangtiezhu@loongson.cn> Autocrypt: addr=xry111@xry111.site; prefer-encrypt=mutual; keydata=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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.1 MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Mon, 23 Oct 2023 01:43:46 -0700 (PDT) On Mon, 2023-10-23 at 16:11 +0800, Tiezhu Yang wrote: > +ifdef CONFIG_OBJTOOL > +KBUILD_CFLAGS +=3D -fno-optimize-sibling-calls -fno-jump-tables -falig= n-functions=3D4 > +endif Why do we need to regress the code generation so much for objtool? --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University