diff options
Diffstat (limited to 'arch/sparc/kernel/traps_64.c')
| -rw-r--r-- | arch/sparc/kernel/traps_64.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 4638af2f55a0..d809c4ebb48f 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -1,6 +1,6 @@ /* arch/sparc64/kernel/traps.c * - * Copyright (C) 1995,1997,2008 David S. Miller (davem@davemloft.net) + * Copyright (C) 1995,1997,2008,2009 David S. Miller (davem@davemloft.net) * Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com) */ @@ -128,6 +128,7 @@ void do_BUG(const char *file, int line) bust_spinlocks(1); printk("kernel BUG at %s:%d!\n", file, line); } +EXPORT_SYMBOL(do_BUG); #endif static DEFINE_SPINLOCK(dimm_handler_lock); @@ -313,6 +314,21 @@ void sun4v_data_access_exception(struct pt_regs *regs, unsigned long addr, unsig return; if (regs->tstate & TSTATE_PRIV) { + /* Test if this comes from uaccess places. */ + const struct exception_table_entry *entry; + + entry = search_exception_tables(regs->tpc); + if (entry) { + /* Ouch, somebody is trying VM hole tricks on us... */ +#ifdef DEBUG_EXCEPTIONS + printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc); + printk("EX_TABLE: insn<%016lx> fixup<%016lx>\n", + regs->tpc, entry->fixup); +#endif + regs->tpc = entry->fixup; + regs->tnpc = regs->tpc + 4; + return; + } printk("sun4v_data_access_exception: ADDR[%016lx] " "CTX[%04x] TYPE[%04x], going.\n", addr, ctx, type); @@ -1168,20 +1184,20 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in } /* Now dump the cache snapshots. */ - printk("%s" "ERROR(%d): D-cache idx[%x] tag[%016lx] utag[%016lx] stag[%016lx]\n", + printk("%s" "ERROR(%d): D-cache idx[%x] tag[%016llx] utag[%016llx] stag[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), (int) info->dcache_index, info->dcache_tag, info->dcache_utag, info->dcache_stag); - printk("%s" "ERROR(%d): D-cache data0[%016lx] data1[%016lx] data2[%016lx] data3[%016lx]\n", + printk("%s" "ERROR(%d): D-cache data0[%016llx] data1[%016llx] data2[%016llx] data3[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), info->dcache_data[0], info->dcache_data[1], info->dcache_data[2], info->dcache_data[3]); - printk("%s" "ERROR(%d): I-cache idx[%x] tag[%016lx] utag[%016lx] stag[%016lx] " - "u[%016lx] l[%016lx]\n", + printk("%s" "ERROR(%d): I-cache idx[%x] tag[%016llx] utag[%016llx] stag[%016llx] " + "u[%016llx] l[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), (int) info->icache_index, info->icache_tag, @@ -1189,22 +1205,22 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in info->icache_stag, info->icache_upper, info->icache_lower); - printk("%s" "ERROR(%d): I-cache INSN0[%016lx] INSN1[%016lx] INSN2[%016lx] INSN3[%016lx]\n", + printk("%s" "ERROR(%d): I-cache INSN0[%016llx] INSN1[%016llx] INSN2[%016llx] INSN3[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), info->icache_data[0], info->icache_data[1], info->icache_data[2], info->icache_data[3]); - printk("%s" "ERROR(%d): I-cache INSN4[%016lx] INSN5[%016lx] INSN6[%016lx] INSN7[%016lx]\n", + printk("%s" "ERROR(%d): I-cache INSN4[%016llx] INSN5[%016llx] INSN6[%016llx] INSN7[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), info->icache_data[4], info->icache_data[5], info->icache_data[6], info->icache_data[7]); - printk("%s" "ERROR(%d): E-cache idx[%x] tag[%016lx]\n", + printk("%s" "ERROR(%d): E-cache idx[%x] tag[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), (int) info->ecache_index, info->ecache_tag); - printk("%s" "ERROR(%d): E-cache data0[%016lx] data1[%016lx] data2[%016lx] data3[%016lx]\n", + printk("%s" "ERROR(%d): E-cache data0[%016llx] data1[%016llx] data2[%016llx] data3[%016llx]\n", (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), info->ecache_data[0], info->ecache_data[1], @@ -1794,7 +1810,7 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cnt; printk("%s: Reporting on cpu %d\n", pfx, cpu); - printk("%s: err_handle[%lx] err_stick[%lx] err_type[%08x:%s]\n", + printk("%s: err_handle[%llx] err_stick[%llx] err_type[%08x:%s]\n", pfx, ent->err_handle, ent->err_stick, ent->err_type, @@ -1818,7 +1834,7 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, "privileged" : ""), ((ent->err_attrs & SUN4V_ERR_ATTRS_RES_QUEUE_FULL) ? "queue-full" : "")); - printk("%s: err_raddr[%016lx] err_size[%u] err_cpu[%u]\n", + printk("%s: err_raddr[%016llx] err_size[%u] err_cpu[%u]\n", pfx, ent->err_raddr, ent->err_size, ent->err_cpu); @@ -2261,6 +2277,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) do_exit(SIGKILL); do_exit(SIGSEGV); } +EXPORT_SYMBOL(die_if_kernel); #define VIS_OPCODE_MASK ((0x3 << 30) | (0x3f << 19)) #define VIS_OPCODE_VAL ((0x2 << 30) | (0x36 << 19)) |