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Diffstat (limited to 'arch/arm/kernel/traps.c')
-rw-r--r--arch/arm/kernel/traps.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index f84dfe6..63d402f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -29,11 +29,11 @@
#include <linux/atomic.h>
#include <asm/cacheflush.h>
#include <asm/exception.h>
-#include <asm/system.h>
#include <asm/unistd.h>
#include <asm/traps.h>
#include <asm/unwind.h>
#include <asm/tls.h>
+#include <asm/system_misc.h>
#include "signal.h"
@@ -227,6 +227,11 @@ void show_stack(struct task_struct *tsk, unsigned long *sp)
#else
#define S_SMP ""
#endif
+#ifdef CONFIG_THUMB2_KERNEL
+#define S_ISA " THUMB2"
+#else
+#define S_ISA " ARM"
+#endif
static int __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs)
{
@@ -234,8 +239,8 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt
static int die_counter;
int ret;
- printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",
- str, err, ++die_counter);
+ printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP
+ S_ISA "\n", str, err, ++die_counter);
/* trap and error numbers are mostly meaningless on ARM */
ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV);
@@ -491,7 +496,9 @@ do_cache_op(unsigned long start, unsigned long end, int flags)
if (end > vma->vm_end)
end = vma->vm_end;
- flush_cache_user_range(vma, start, end);
+ up_read(&mm->mmap_sem);
+ flush_cache_user_range(start, end);
+ return;
}
up_read(&mm->mmap_sem);
}
@@ -784,18 +791,16 @@ static void __init kuser_get_tls_init(unsigned long vectors)
memcpy((void *)vectors + 0xfe0, (void *)vectors + 0xfe8, 4);
}
-void __init early_trap_init(void)
+void __init early_trap_init(void *vectors_base)
{
-#if defined(CONFIG_CPU_USE_DOMAINS)
- unsigned long vectors = CONFIG_VECTORS_BASE;
-#else
- unsigned long vectors = (unsigned long)vectors_page;
-#endif
+ unsigned long vectors = (unsigned long)vectors_base;
extern char __stubs_start[], __stubs_end[];
extern char __vectors_start[], __vectors_end[];
extern char __kuser_helper_start[], __kuser_helper_end[];
int kuser_sz = __kuser_helper_end - __kuser_helper_start;
+ vectors_page = vectors_base;
+
/*
* Copy the vectors, stubs and kuser helpers (in entry-armv.S)
* into the vector page, mapped at 0xffff0000, and ensure these