diff options
Diffstat (limited to 'arch/arm/kernel/traps.c')
| -rw-r--r-- | arch/arm/kernel/traps.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index cda78d59aa3..d52eec268b4 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -23,6 +23,7 @@ #include <linux/kexec.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/sched.h> #include <asm/atomic.h> #include <asm/cacheflush.h> @@ -32,11 +33,12 @@ #include <asm/unwind.h> #include <asm/tls.h> -#include "ptrace.h" #include "signal.h" static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; +void *vectors_page; + #ifdef CONFIG_DEBUG_USER unsigned int user_debug; @@ -53,10 +55,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long); void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) { #ifdef CONFIG_KALLSYMS - char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN]; - sprint_symbol(sym1, where); - sprint_symbol(sym2, from); - printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2); + printk("[<%08lx>] (%pS) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); #else printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); #endif @@ -235,7 +234,6 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", str, err, ++die_counter); - sysfs_printk_last_file(); /* trap and error numbers are mostly meaningless on ARM */ ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV); @@ -257,7 +255,7 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt return ret; } -DEFINE_SPINLOCK(die_lock); +static DEFINE_SPINLOCK(die_lock); /* * This function is protected against re-entrancy. @@ -411,8 +409,7 @@ static int bad_syscall(int n, struct pt_regs *regs) struct thread_info *thread = current_thread_info(); siginfo_t info; - if (current->personality != PER_LINUX && - current->personality != PER_LINUX_32BIT && + if ((current->personality & PER_MASK) != PER_LINUX && thread->exec_domain->handler) { thread->exec_domain->handler(n, regs); return regs->ARM_r0; @@ -711,19 +708,19 @@ void __readwrite_bug(const char *fn) } EXPORT_SYMBOL(__readwrite_bug); -void __pte_error(const char *file, int line, unsigned long val) +void __pte_error(const char *file, int line, pte_t pte) { - printk("%s:%d: bad pte %08lx.\n", file, line, val); + printk("%s:%d: bad pte %08llx.\n", file, line, (long long)pte_val(pte)); } -void __pmd_error(const char *file, int line, unsigned long val) +void __pmd_error(const char *file, int line, pmd_t pmd) { - printk("%s:%d: bad pmd %08lx.\n", file, line, val); + printk("%s:%d: bad pmd %08llx.\n", file, line, (long long)pmd_val(pmd)); } -void __pgd_error(const char *file, int line, unsigned long val) +void __pgd_error(const char *file, int line, pgd_t pgd) { - printk("%s:%d: bad pgd %08lx.\n", file, line, val); + printk("%s:%d: bad pgd %08llx.\n", file, line, (long long)pgd_val(pgd)); } asmlinkage void __div0(void) @@ -759,7 +756,11 @@ static void __init kuser_get_tls_init(unsigned long vectors) void __init early_trap_init(void) { +#if defined(CONFIG_CPU_USE_DOMAINS) unsigned long vectors = CONFIG_VECTORS_BASE; +#else + unsigned long vectors = (unsigned long)vectors_page; +#endif extern char __stubs_start[], __stubs_end[]; extern char __vectors_start[], __vectors_end[]; extern char __kuser_helper_start[], __kuser_helper_end[]; @@ -783,10 +784,10 @@ void __init early_trap_init(void) * Copy signal return handlers into the vector page, and * set sigreturn to be a pointer to these. */ - memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes, - sizeof(sigreturn_codes)); - memcpy((void *)KERN_RESTART_CODE, syscall_restart_code, - sizeof(syscall_restart_code)); + memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE), + sigreturn_codes, sizeof(sigreturn_codes)); + memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE), + syscall_restart_code, sizeof(syscall_restart_code)); flush_icache_range(vectors, vectors + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); |