1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
From 8d8ae376807b2f104dcbcea19263ccecbd10feb8 Mon Sep 17 00:00:00 2001
From: Mans Rullgard <mans@mansr.com>
Date: Sat, 28 Mar 2009 13:21:55 +0000
Subject: [PATCH 3/8] ARM: Print warning on alignment trap in kernel mode
Signed-off-by: Mans Rullgard <mans@mansr.com>
---
arch/arm/mm/alignment.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 6f98c35..1cda537 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -760,6 +760,13 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
ai_sys += 1;
+ printk("Alignment trap in kernel: %s (%d) PC=0x%08lx Instr=0x%0*lx "
+ "Address=0x%08lx FSR 0x%03x\n", current->comm,
+ task_pid_nr(current), instrptr,
+ thumb_mode(regs) ? 4 : 8,
+ thumb_mode(regs) ? tinstr : instr,
+ addr, fsr);
+
fixup:
regs->ARM_pc += isize;
--
1.6.6.1
|
