From patchwork Mon Apr 15 09:14:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10900375 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 93EAE17E1 for ; Mon, 15 Apr 2019 09:15:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 772DF28520 for ; Mon, 15 Apr 2019 09:15:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B31F285FD; Mon, 15 Apr 2019 09:15:34 +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 2B8FA28520 for ; Mon, 15 Apr 2019 09:15:34 +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=aXS25nLJFKjmWp4NgrojaxXtZc1A81riGbMaYBaTht0=; b=T2Lhr/x+2cZWKp Rc+g0PC95MOjoK2y4Vwq9NYU5gq2lErVmsDOTTV9jweEyCLgD7PnahUynHjYlzdu7RbxdISmf+BDY T1IJQ3a1mQuPk0BF63u1BhONCVbhFbdH6rh8qkvR6OmGmnEuoy/ECXFKFhHF+gmicIIi9IpJlvLlJ Pvmb4IbvNJbe9nTr6Dnu0jnCOdghQ0HEPtqDKUJq1EfCXMm2al6064ieI/ari+hMGKUy97mMKp4LY wO2B7iMny3Vz0U0+nHOMObxV8Qf4b7Ilu4jgNqi08RpoRBF9Q69cfiIft7ixKMn918gifT23ZZz3A cf/IaGyc/QkGYR3hWguQ==; 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 1hFxi8-0006fP-3P; Mon, 15 Apr 2019 09:15:32 +0000 Received: from 213-225-15-255.nat.highway.a1.net ([213.225.15.255] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hFxi6-0006c6-DO; Mon, 15 Apr 2019 09:15:30 +0000 From: Christoph Hellwig To: Palmer Dabbelt Subject: [PATCH 08/11] riscv: remove unreachable !HAVE_FUNCTION_GRAPH_RET_ADDR_PTR code Date: Mon, 15 Apr 2019 11:14:39 +0200 Message-Id: <20190415091442.19945-9-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190415091442.19945-1-hch@lst.de> References: <20190415091442.19945-1-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 a4b1d94371a0..855036c440c1 100644 --- a/arch/riscv/kernel/stacktrace.c +++ b/arch/riscv/kernel/stacktrace.c @@ -64,12 +64,8 @@ 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 } }