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-rw-r--r--arch/arm/kernel/traps.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 446aee97436f..e02f4f7537c5 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -37,6 +37,8 @@
37 37
38static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; 38static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" };
39 39
40void *vectors_page;
41
40#ifdef CONFIG_DEBUG_USER 42#ifdef CONFIG_DEBUG_USER
41unsigned int user_debug; 43unsigned int user_debug;
42 44
@@ -756,7 +758,11 @@ static void __init kuser_get_tls_init(unsigned long vectors)
756 758
757void __init early_trap_init(void) 759void __init early_trap_init(void)
758{ 760{
761#if defined(CONFIG_CPU_USE_DOMAINS)
759 unsigned long vectors = CONFIG_VECTORS_BASE; 762 unsigned long vectors = CONFIG_VECTORS_BASE;
763#else
764 unsigned long vectors = (unsigned long)vectors_page;
765#endif
760 extern char __stubs_start[], __stubs_end[]; 766 extern char __stubs_start[], __stubs_end[];
761 extern char __vectors_start[], __vectors_end[]; 767 extern char __vectors_start[], __vectors_end[];
762 extern char __kuser_helper_start[], __kuser_helper_end[]; 768 extern char __kuser_helper_start[], __kuser_helper_end[];
@@ -780,10 +786,10 @@ void __init early_trap_init(void)
780 * Copy signal return handlers into the vector page, and 786 * Copy signal return handlers into the vector page, and
781 * set sigreturn to be a pointer to these. 787 * set sigreturn to be a pointer to these.
782 */ 788 */
783 memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes, 789 memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE),
784 sizeof(sigreturn_codes)); 790 sigreturn_codes, sizeof(sigreturn_codes));
785 memcpy((void *)KERN_RESTART_CODE, syscall_restart_code, 791 memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE),
786 sizeof(syscall_restart_code)); 792 syscall_restart_code, sizeof(syscall_restart_code));
787 793
788 flush_icache_range(vectors, vectors + PAGE_SIZE); 794 flush_icache_range(vectors, vectors + PAGE_SIZE);
789 modify_domain(DOMAIN_USER, DOMAIN_CLIENT); 795 modify_domain(DOMAIN_USER, DOMAIN_CLIENT);