From patchwork Thu Apr 11 11:56:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10895833 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 122031805 for ; Thu, 11 Apr 2019 11:57:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E738D2893C for ; Thu, 11 Apr 2019 11:57:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D9FEB28B20; Thu, 11 Apr 2019 11:57:12 +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 97EC42893C for ; Thu, 11 Apr 2019 11:57:12 +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=hPxqDbpYXY5cKJ9iZDuG1Y3Bge0nZQ1CxVtuyZfRnug=; b=EhqUF8xYbN7hbk R58ytaDBLEbSSi6tlvan8GhWccF3CWZgZAjSQzs0nVvYNdsh1CFaI/bOunqYq+TTYpf8oBYOoWo2m ex1FbLxgHy95olqJkK8UvKlHrJjC8Bbld4tQLRrV6WMz2VqsDMf5X/1GwvuqW9Z2Q3RbLj2qVxbh5 KcqR+0zSAj07w7jKAOZVWP0oz6fRzIIfUjOdfMYNZyPevoSkTRCY4mpH0/GGJKb+j4PCn7GfAC2q+ 7/JgISVyXNAU5i7WnwdUMHN+0UZ5+oq/Ir8vB0mZ6ZctqRXQ4euUcszgdD2QuIWi1XrWyujF5ldyU py3xVmmCCe6pD07Zkdmg==; 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 1hEYKL-0001CP-PP; Thu, 11 Apr 2019 11:57:09 +0000 Received: from clnet-p19-102.ikbnet.co.at ([83.175.77.102] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hEYKI-000190-LG; Thu, 11 Apr 2019 11:57:07 +0000 From: Christoph Hellwig To: Palmer Dabbelt Subject: [PATCH 8/9] riscv: print the unexpected interrupt cause Date: Thu, 11 Apr 2019 13:56:22 +0200 Message-Id: <20190411115623.5749-9-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190411115623.5749-1-hch@lst.de> References: <20190411115623.5749-1-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: 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: Paul Walmsley --- 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..b10af8ccd656 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->xcause); + BUG(); } irq_exit();