linux-kernel - [PATCH 2/2] powerpc: Print esr register when hitting Program Interrupt

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Date:   Thu, 22 Apr 2021 23:10:22 +0800
From:   Xiongwei Song <sxwjean@...com>
To:     mpe@...erman.id.au, benh@...nel.crashing.org, paulus@...ba.org,
        christophe.leroy@...roup.eu, npiggin@...il.com,
        ravi.bangoria@...ux.ibm.com, mikey@...ling.org,
        aneesh.kumar@...ux.ibm.com, 0x7f454c46@...il.com
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Xiongwei Song <sxwjean@...il.com>
Subject: [PATCH 2/2] powerpc: Print esr register when hitting Program Interrupt

From: Xiongwei Song <sxwjean@...il.com>

The esr register has the details of Program Interrupt on BookE/4xx cpus,
printing its value is helpful.

Signed-off-by: Xiongwei Song <sxwjean@...il.com>
---
 arch/powerpc/kernel/process.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 5c3830837f3a..664aecf8ee2e 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1459,6 +1459,7 @@ static bool interrupt_detail_printable(int trap)
 	case INTERRUPT_MACHINE_CHECK:
 	case INTERRUPT_DATA_STORAGE:
 	case INTERRUPT_ALIGNMENT:
+	case INTERRUPT_PROGRAM:
 		return true;
 	default:
 		return false;
-- 
2.17.1