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-rw-r--r--arch/avr32/kernel/init_task.c4
-rw-r--r--arch/avr32/kernel/module.c2
-rw-r--r--arch/avr32/kernel/process.c2
-rw-r--r--arch/avr32/kernel/signal.c4
-rw-r--r--arch/avr32/kernel/traps.c11
5 files changed, 12 insertions, 11 deletions
diff --git a/arch/avr32/kernel/init_task.c b/arch/avr32/kernel/init_task.c
index 993d56ee3cf..57ec9f2dcd9 100644
--- a/arch/avr32/kernel/init_task.c
+++ b/arch/avr32/kernel/init_task.c
@@ -15,10 +15,6 @@
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-struct mm_struct init_mm = INIT_MM(init_mm);
-
-EXPORT_SYMBOL(init_mm);
-
/*
* Initial thread structure. Must be aligned on an 8192-byte boundary.
*/
diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
index 1167fe9cf6c..98f94d041d9 100644
--- a/arch/avr32/kernel/module.c
+++ b/arch/avr32/kernel/module.c
@@ -32,8 +32,6 @@ void module_free(struct module *mod, void *module_region)
mod->arch.syminfo = NULL;
vfree(module_region);
- /* FIXME: if module_region == mod->init_region, trim exception
- * table entries. */
}
static inline int check_rela(Elf32_Rela *rela, struct module *module,
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 1bbe1da5486..93c0342530a 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -394,8 +394,6 @@ asmlinkage int sys_execve(char __user *ufilename, char __user *__user *uargv,
goto out;
error = do_execve(filename, uargv, uenvp, regs);
- if (error == 0)
- current->ptrace &= ~PT_DTRACE;
putname(filename);
out:
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 803d7be0938..27227561bad 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -212,7 +212,7 @@ out:
return err;
}
-static inline void restart_syscall(struct pt_regs *regs)
+static inline void setup_syscall_restart(struct pt_regs *regs)
{
if (regs->r12 == -ERESTART_RESTARTBLOCK)
regs->r8 = __NR_restart_syscall;
@@ -296,7 +296,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
}
/* fall through */
case -ERESTARTNOINTR:
- restart_syscall(regs);
+ setup_syscall_restart(regs);
}
}
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index d547c8df157..6e3d491184e 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -75,8 +75,17 @@ void _exception(long signr, struct pt_regs *regs, int code,
{
siginfo_t info;
- if (!user_mode(regs))
+ if (!user_mode(regs)) {
+ const struct exception_table_entry *fixup;
+
+ /* Are we prepared to handle this kernel fault? */
+ fixup = search_exception_tables(regs->pc);
+ if (fixup) {
+ regs->pc = fixup->fixup;
+ return;
+ }
die("Unhandled exception in kernel mode", regs, signr);
+ }
memset(&info, 0, sizeof(info));
info.si_signo = signr;