[11/12] riscv: print the unexpected interrupt cause

Message ID	20190412143948.12478-12-hch@lst.de (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org> From: Christoph Hellwig <hch@lst.de> To: Palmer Dabbelt <palmer@sifive.com> 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> In-Reply-To: <20190412143948.12478-1-hch@lst.de> References: <20190412143948.12478-1-hch@lst.de> MIME-Version: 1.0 Precedence: list Cc: Nick Kossifidis <mick@ics.forth.gr>, Atish Patra <atish.patra@wdc.com>, linux-riscv@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" <linux-riscv-bounces@lists.infradead.org> Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org
Series	[01/12] riscv: use asm-generic/extable.h \| expand [01/12] riscv: use asm-generic/extable.h [02/12] riscv: turn mm_segment_t into a struct [03/12] riscv: remove unreachable big endian code [04/12] riscv: remove CONFIG_RISCV_ISA_A [05/12] riscv: clear all pending interrupts when booting [06/12] riscv: simplify the stack pointer setup in head.S [07/12] riscv: cleanup the parse_dtb calling conventions [08/12] riscv: remove unreachable !CONFIG_FRAME_POINTER code [09/12] riscv: remove unreachable !HAVE_FUNCTION_GRAPH_RET_ADDR_PTR code [10/12] riscv: remove duplicate macros from ptrace.h [11/12] riscv: print the unexpected interrupt cause [12/12] riscv: call pm_power_off from machine_halt / machine_power_off

Message ID

20190412143948.12478-12-hch@lst.de (mailing list archive)

State

New, archived

Headers

From: Christoph Hellwig <hch@lst.de>
To: Palmer Dabbelt <palmer@sifive.com>
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>
In-Reply-To: <20190412143948.12478-1-hch@lst.de>
References: <20190412143948.12478-1-hch@lst.de>
MIME-Version: 1.0
Precedence: list
Cc: Nick Kossifidis <mick@ics.forth.gr>, Atish Patra <atish.patra@wdc.com>,
 linux-riscv@lists.infradead.org
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "linux-riscv" <linux-riscv-bounces@lists.infradead.org>
Errors-To: 
 linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org

Series

[01/12] riscv: use asm-generic/extable.h | expand

Comments

Nick Kossifidis April 12, 2019, 4:09 p.m. UTC | #1

Στις 2019-04-12 17:39, Christoph Hellwig έγραψε:
> This has been helpful when debugging my pending nommu port.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  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();

Reviewed-by: Nick Kossifidis <mick@ics.forth.gr>

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();

[11/12] riscv: print the unexpected interrupt cause

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