diff options
| author | James Simmons <jsimmons@infradead.org> | 2012-11-14 18:15:32 +0000 |
|---|---|---|
| committer | James Simmons <jsimmons@infradead.org> | 2012-11-14 18:15:32 +0000 |
| commit | b44959f2817032bc4668434bbe1cf9ab28b8cb21 (patch) | |
| tree | de3bd861b36c836ac9b7b6e8dc179ca1985b6593 /arch/mips/kernel/traps.c | |
| parent | e22956a2faa9cf34cec4a471131d50c6be75b0c2 (diff) | |
| parent | 2216c9e74fb3baac3cb73952158dbe38b703997e (diff) | |
Conflicts:
drivers/gpu/drm/tdfx/tdfx_drv.c
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2d0c2a277f5..9be3df1fa8a 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -132,6 +132,9 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) unsigned long ra = regs->regs[31]; unsigned long pc = regs->cp0_epc; + if (!task) + task = current; + if (raw_show_trace || !__kernel_text_address(pc)) { show_raw_backtrace(sp); return; @@ -1249,6 +1252,8 @@ static inline void parity_protection_init(void) break; case CPU_5KC: + case CPU_5KE: + case CPU_LOONGSON1: write_c0_ecc(0x80000000); back_to_back_c0_hazard(); /* Set the PE bit (bit 31) in the c0_errctl register. */ @@ -1498,6 +1503,7 @@ extern void flush_tlb_handlers(void); * Timer interrupt */ int cp0_compare_irq; +EXPORT_SYMBOL_GPL(cp0_compare_irq); int cp0_compare_irq_shift; /* @@ -1597,7 +1603,7 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu) cp0_perfcount_irq = -1; } else { cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; - cp0_compare_irq_shift = cp0_compare_irq; + cp0_compare_irq_shift = CP0_LEGACY_PERFCNT_IRQ; cp0_perfcount_irq = -1; } |