From patchwork Fri Apr 12 14:39:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10898513 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 D536914DB for ; Fri, 12 Apr 2019 14:40:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B52BB28E73 for ; Fri, 12 Apr 2019 14:40:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A9C3A28E76; Fri, 12 Apr 2019 14:40:50 +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 6525528E76 for ; Fri, 12 Apr 2019 14:40:50 +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=0RuWE3Ra6G0cmNpxmXM0ZqHbgweSwFlOH0PFha2POXQ=; b=d//csAIlRoD9UZ XQgzgDDdrspmPBEAfhb6T1ZBOobM+MYi/V4rAquZMubERTTCsKzyRosd/Hahb2PeDlyVipkEWg34d gpz6+rWnd8pdjYyFyGcuICsAuJsGyo3r90F1SvfpePZsK05MhL+aLQpYmhsOwVP30biu1TQogzVio BgsKpu6lafg02/OgXAtOkLL2PgkUEItDMYw5CGgxO9Oq4+i5P37YvctDpIqnM8E/OPGLGSQfJE9PE vLKdvvbUbmtrlCKcAIj9a8eSKl2aPJllZ/jxdO8hQn2UvH5nrOrIC85egYRioVTZe9w/ZkxOqzRMB KQdhHIy8Q5UnjvwM9Jhg==; 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 1hExMF-0001Y2-Am; Fri, 12 Apr 2019 14:40:47 +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 1hExMB-0001Se-8B; Fri, 12 Apr 2019 14:40:43 +0000 From: Christoph Hellwig To: Palmer Dabbelt Subject: [PATCH 11/12] riscv: print the unexpected interrupt cause Date: Fri, 12 Apr 2019 16:39:47 +0200 Message-Id: <20190412143948.12478-12-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 This has been helpful when debugging my pending nommu port. Signed-off-by: Christoph Hellwig Reviewed-by: Nick Kossifidis --- arch/riscv/kernel/irq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c index 48e6b7db83a1..c738132eecf8 100644 --- a/arch/riscv/kernel/irq.c +++ b/arch/riscv/kernel/irq.c @@ -54,7 +54,8 @@ asmlinkage void __irq_entry do_IRQ(struct pt_regs *regs) handle_arch_irq(regs); break; default: - panic("unexpected interrupt cause"); + pr_alert("unexpected interrupt cause 0x%lx", regs->scause); + BUG(); } irq_exit();