---

yaml
---
r: 106833
b: refs/heads/master
c: f2fb4e4
h: refs/heads/master
i:
  106831: 124ccc1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 068f59143d821553e7a55cdbd69142b05e245d47
+refs/heads/master: f2fb4e4f647dabf1177d3ce164988e73482d76b1

trunk/arch/sh/kernel/signal_32.c

@@ -373,6 +373,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
 		err |= __put_user(OR_R0_R0, &frame->retcode[6]);
 		err |= __put_user((__NR_sigreturn), &frame->retcode[7]);
 		regs->pr = (unsigned long) frame->retcode;
+		flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode));
 	}
 
 	if (err)
@@ -398,8 +399,6 @@ static int setup_frame(int sig, struct k_sigaction *ka,
 	pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
 		 current->comm, task_pid_nr(current), frame, regs->pc, regs->pr);
 
-	flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode));
-
 	return 0;
 
 give_sigsegv:

trunk/arch/sh/mm/fault_32.c

@@ -37,16 +37,12 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 	int fault;
 	siginfo_t info;
 
-	trace_hardirqs_on();
-	local_irq_enable();
-
 #ifdef CONFIG_SH_KGDB
 	if (kgdb_nofault && kgdb_bus_err_hook)
 		kgdb_bus_err_hook();
 #endif
 
 	tsk = current;
-	mm = tsk->mm;
 	si_code = SEGV_MAPERR;
 
 	if (unlikely(address >= TASK_SIZE)) {
@@ -88,6 +84,14 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 		return;
 	}
 
+	/* Only enable interrupts if they were on before the fault */
+	if ((regs->sr & SR_IMASK) != SR_IMASK) {
+		trace_hardirqs_on();
+		local_irq_enable();
+	}
+
+	mm = tsk->mm;
+
 	/*
 	 * If we're in an interrupt or have no user
 	 * context, we must not take the fault..