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[73.95.159.87]) by smtp.gmail.com with ESMTPSA id j132sm6797912iof.37.2019.04.25.11.59.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 25 Apr 2019 11:59:26 -0700 (PDT) Date: Thu, 25 Apr 2019 11:59:25 -0700 (PDT) From: Paul Walmsley X-X-Sender: paulw@viisi.sifive.com To: Christoph Hellwig Subject: Re: [PATCH 8/9] riscv: print the unexpected interrupt cause In-Reply-To: <20190411115623.5749-9-hch@lst.de> Message-ID: References: <20190411115623.5749-1-hch@lst.de> <20190411115623.5749-9-hch@lst.de> User-Agent: Alpine 2.21.9999 (DEB 301 2018-08-15) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190425_115928_532535_ED2FE3CD X-CRM114-Status: GOOD ( 13.05 ) 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, Palmer Dabbelt Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, 11 Apr 2019, Christoph Hellwig wrote: > 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(); > > -- > 2.20.1 > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv