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| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-11 14:36:25 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-11 14:36:25 +0100 |
| commit | a8931ef380c92d121ae74ecfb03b2d63f72eea6f (patch) | |
| tree | 980fb6b019e11e6cb1ece55b7faff184721a8053 /arch/blackfin/kernel/traps.c | |
| parent | 90574d0a4d4b73308ae54a2a57a4f3f1fa98e984 (diff) | |
| parent | e5a5816f7875207cb0a0a7032e39a4686c5e10a4 (diff) | |
| download | olio-linux-3.10-a8931ef380c92d121ae74ecfb03b2d63f72eea6f.tar.xz olio-linux-3.10-a8931ef380c92d121ae74ecfb03b2d63f72eea6f.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/blackfin/kernel/traps.c')
| -rw-r--r-- | arch/blackfin/kernel/traps.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 5b847070dae..f061f518162 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -67,7 +67,7 @@ void __init trap_init(void) CSYNC(); } -void *saved_icplb_fault_addr, *saved_dcplb_fault_addr; +unsigned long saved_icplb_fault_addr, saved_dcplb_fault_addr; int kstack_depth_to_print = 48; @@ -364,13 +364,13 @@ asmlinkage void trap_c(struct pt_regs *fp) /* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */ case VEC_CPLB_MHIT: info.si_code = ILL_CPLB_MULHIT; -#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO sig = SIGSEGV; - printk(KERN_NOTICE "NULL pointer access (probably)\n"); -#else - sig = SIGILL; - printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); +#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO + if (saved_dcplb_fault_addr < FIXED_CODE_START) + printk(KERN_NOTICE "NULL pointer access\n"); + else #endif + printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); CHK_DEBUGGER_TRAP(); break; /* 0x28 - Emulation Watchpoint, handled here */ @@ -419,13 +419,13 @@ asmlinkage void trap_c(struct pt_regs *fp) /* 0x2D - Instruction CPLB Multiple Hits, handled here */ case VEC_CPLB_I_MHIT: info.si_code = ILL_CPLB_MULHIT; -#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO sig = SIGSEGV; - printk(KERN_NOTICE "Jump to address 0 - 0x0fff\n"); -#else - sig = SIGILL; - printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); +#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO + if (saved_icplb_fault_addr < FIXED_CODE_START) + printk(KERN_NOTICE "Jump to NULL address\n"); + else #endif + printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); CHK_DEBUGGER_TRAP(); break; /* 0x2E - Illegal use of Supervisor Resource, handled here */ @@ -939,8 +939,6 @@ void panic_cplb_error(int cplb_panic, struct pt_regs *fp) oops_in_progress = 1; - printk(KERN_EMERG "DCPLB_FAULT_ADDR=%p\n", saved_dcplb_fault_addr); - printk(KERN_EMERG "ICPLB_FAULT_ADDR=%p\n", saved_icplb_fault_addr); dump_bfin_process(fp); dump_bfin_mem(fp); show_regs(fp); |