diff options
Diffstat (limited to 'arch/arm/kernel/traps.c')
| -rw-r--r-- | arch/arm/kernel/traps.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 6e31718f600..0078aeb8573 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -578,9 +578,16 @@ EXPORT_SYMBOL(abort); void __init trap_init(void) { - extern void __trap_init(void); + extern char __stubs_start[], __stubs_end[]; + extern char __vectors_start[], __vectors_end[]; - __trap_init(); + /* + * Copy the vectors and stubs (in entry-armv.S) into the + * vector page, mapped at 0xffff0000, and ensure these are + * visible to the instruction stream. + */ + memcpy((void *)0xffff0000, __vectors_start, __vectors_end - __vectors_start); + memcpy((void *)0xffff0200, __stubs_start, __stubs_end - __stubs_start); flush_icache_range(0xffff0000, 0xffff0000 + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); } |