From patchwork Fri Apr 12 14:39:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10898509 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A7DD814DB for ; Fri, 12 Apr 2019 14:40:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7E5C228E81 for ; Fri, 12 Apr 2019 14:40:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6EF8D28E7B; Fri, 12 Apr 2019 14:40:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 23DA328E74 for ; Fri, 12 Apr 2019 14:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=t1Heceuhfz+/H/7UQuOeBVZLiP2ExbawTcHBUehnr1E=; b=cb6TwoHEQXzsAi cOT6VhEiIB95RN9DomRJz6PzncF4CP0hIv879YgGsbDFidCBe+o7kOjD6UiOvbyNwFN8jpudwT0Xe XdQeaHD6pK9MC8WKyZHmp6jo2tZ/4ni4TYrhwURepDb9NqDdDO4AX/maMqg99l3DXFI8DfVMGZkUF IHyLB4ZPIM4UEsg/Z8KgLdZTIwZIEID6H25mI4zOFNWA8uPQZieEfrMQTZIlVaFxrQK/V2cU3bmFE mN5dp7CmdbDhiWcdKo8YWeB0E0JGPc0zyeNCZ+EX1hh0sN3Y5N/eVgE9+W8KTZDr/n6LOs4FKF4xF qXUiF242ulARpd/jh5FA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hExM8-0001Rp-Pv; Fri, 12 Apr 2019 14:40:40 +0000 Received: from 089144214194.atnat0023.highway.a1.net ([89.144.214.194] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hExM5-0001MN-NY; Fri, 12 Apr 2019 14:40:38 +0000 From: Christoph Hellwig To: Palmer Dabbelt Subject: [PATCH 09/12] riscv: remove unreachable !HAVE_FUNCTION_GRAPH_RET_ADDR_PTR code Date: Fri, 12 Apr 2019 16:39:45 +0200 Message-Id: <20190412143948.12478-10-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190412143948.12478-1-hch@lst.de> References: <20190412143948.12478-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Kossifidis , Atish Patra , linux-riscv@lists.infradead.org Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP HAVE_FUNCTION_GRAPH_RET_ADDR_PTR is always defined for RISC-V. Signed-off-by: Christoph Hellwig --- arch/riscv/kernel/stacktrace.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c index 3cb439f8c7e6..da9f796ec4d2 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -62,12 +62,8 @@ static void notrace walk_stackframe(struct task_struct *task, frame = (struct stackframe *)fp - 1; sp = fp; fp = frame->fp; -#ifdef HAVE_FUNCTION_GRAPH_RET_ADDR_PTR pc = ftrace_graph_ret_addr(current, NULL, frame->ra, (unsigned long *)(fp - 8)); -#else - pc = frame->ra - 0x4; -#endif } }