Blackfin arch: ensure we work around ANOMALY_05000261 for null pointers
We currently do not. Also make it easier to handle cplb violations - in traps.c
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index cfa05436..aaddb72 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -311,11 +311,10 @@
printk(KERN_NOTICE EXC_0x22);
CHK_DEBUGGER_TRAP();
break;
- /* 0x23 - Data CPLB Protection Violation,
- normal case is handled in _cplb_hdr */
+ /* 0x23 - Data CPLB protection violation, handled here */
case VEC_CPLB_VL:
info.si_code = ILL_CPLB_VI;
- sig = SIGILL;
+ sig = SIGBUS;
printk(KERN_NOTICE EXC_0x23);
CHK_DEBUGGER_TRAP();
break;
@@ -382,11 +381,10 @@
printk(KERN_NOTICE EXC_0x2A);
CHK_DEBUGGER_TRAP();
break;
- /* 0x2B - Instruction CPLB protection Violation,
- handled in _cplb_hdr */
+ /* 0x2B - Instruction CPLB protection violation, handled here */
case VEC_CPLB_I_VL:
info.si_code = ILL_CPLB_VI;
- sig = SIGILL;
+ sig = SIGBUS;
printk(KERN_NOTICE EXC_0x2B);
CHK_DEBUGGER_TRAP();
break;