diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-29 21:09:39 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-29 21:09:39 -0300 |
| commit | 73bcc49959e4e40911dd0dd634bf1b353827df66 (patch) | |
| tree | 6b0c1d440c490a65c51ab5cf5aee7095cb4089d3 /arch/mips/kernel/traps.c | |
| parent | 8447c4d15e357a458c9051ddc84aa6c8b9c27000 (diff) | |
| parent | 28a33cbc24e4256c143dce96c7d93bf423229f92 (diff) | |
Merge tag 'v3.5'
Linux 3.5
* tag 'v3.5': (1242 commits)
Linux 3.5
Remove SYSTEM_SUSPEND_DISK system state
kdb: Switch to nolock variants of kmsg_dump functions
printk: Implement some unlocked kmsg_dump functions
printk: Remove kdb_syslog_data
kdb: Revive dmesg command
dm raid1: set discard_zeroes_data_unsupported
dm thin: do not send discards to shared blocks
dm raid1: fix crash with mirror recovery and discard
pnfs-obj: Fix __r4w_get_page when offset is beyond i_size
pnfs-obj: don't leak objio_state if ore_write/read fails
ore: Unlock r4w pages in exact reverse order of locking
ore: Remove support of partial IO request (NFS crash)
ore: Fix NFS crash by supporting any unaligned RAID IO
UBIFS: fix a bug in empty space fix-up
cx25821: Remove bad strcpy to read-only char*
HID: hid-multitouch: add support for Zytronic panels
MIPS: PCI: Move fixups from __init to __devinit.
MIPS: Fix bug.h MIPS build regression
MIPS: sync-r4k: remove redundant irq operation
...
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; } |