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| author | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
| commit | 72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch) | |
| tree | 4c67be6c73356086ff44ef1b8b1c9479702689ca /arch/mips/kernel/traps.c | |
| parent | b1af9be5ef77898c05667bb9dbf3b180d91d3292 (diff) | |
| parent | a73ff3231df59a4b92ccd0dd4e73897c5822489b (diff) | |
Merge branch 'for-jens' of git://git.drbd.org/linux-drbd into for-3.6/drivers
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2d0c2a277f5..c3c29354370 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 +1252,7 @@ static inline void parity_protection_init(void) break; case CPU_5KC: + case CPU_5KE: write_c0_ecc(0x80000000); back_to_back_c0_hazard(); /* Set the PE bit (bit 31) in the c0_errctl register. */ @@ -1498,6 +1502,7 @@ 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 +1602,7 @@ 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; } |