diff options
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 571a69c57d82..3c906e723fd4 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -60,9 +60,9 @@ extern void check_wait(void); extern asmlinkage void r4k_wait(void); extern asmlinkage void rollback_handle_int(void); extern asmlinkage void handle_int(void); -extern asmlinkage void handle_tlbm(void); -extern asmlinkage void handle_tlbl(void); -extern asmlinkage void handle_tlbs(void); +extern u32 handle_tlbl[]; +extern u32 handle_tlbs[]; +extern u32 handle_tlbm[]; extern asmlinkage void handle_adel(void); extern asmlinkage void handle_ades(void); extern asmlinkage void handle_ibe(void); @@ -1473,7 +1473,7 @@ unsigned long vi_handlers[64]; void __init *set_except_vector(int n, void *addr) { unsigned long handler = (unsigned long) addr; - unsigned long old_handler = exception_handlers[n]; + unsigned long old_handler; #ifdef CONFIG_CPU_MICROMIPS /* @@ -1486,7 +1486,8 @@ void __init *set_except_vector(int n, void *addr) if (!(handler & 0x1)) handler |= 1; #endif - exception_handlers[n] = handler; + old_handler = xchg(&exception_handlers[n], handler); + if (n == 0 && cpu_has_divec) { #ifdef CONFIG_CPU_MICROMIPS unsigned long jump_mask = ~((1 << 27) - 1); @@ -1508,7 +1509,7 @@ void __init *set_except_vector(int n, void *addr) return (void *)old_handler; } -static asmlinkage void do_default_vi(void) +static void do_default_vi(void) { show_regs(get_irq_regs()); panic("Caught unexpected vectored interrupt."); @@ -1841,7 +1842,12 @@ void __init trap_init(void) ebase = (unsigned long) __alloc_bootmem(size, 1 << fls(size), 0); } else { - ebase = CKSEG0; +#ifdef CONFIG_KVM_GUEST +#define KVM_GUEST_KSEG0 0x40000000 + ebase = KVM_GUEST_KSEG0; +#else + ebase = CKSEG0; +#endif if (cpu_has_mips_r2) ebase += (read_c0_ebase() & 0x3ffff000); } |
