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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C30AC25B41 for ; Mon, 23 Oct 2023 08:43:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229469AbjJWInm (ORCPT ); Mon, 23 Oct 2023 04:43:42 -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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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