3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vineet Gupta <[email protected]>

commit 05b016ecf5e7a8c24409d8e9effb5d2ec9107708 upstream.

Otherwise early boot exceptions such as instructions errors due to
configuration mismatch between kernel and hardware go off to la-la land,
as opposed to hitting the handler and panic()'ing properly.

Signed-off-by: Vineet Gupta <[email protected]>
Cc: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 arch/arc/kernel/head.S |    2 ++
 arch/arc/kernel/irq.c  |    2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arc/kernel/head.S
+++ b/arch/arc/kernel/head.S
@@ -27,6 +27,8 @@ stext:
        ; Don't clobber r0-r4 yet. It might have bootloader provided info
        ;-------------------------------------------------------------------
 
+       sr      @_int_vec_base_lds, [AUX_INTR_VEC_BASE]
+
 #ifdef CONFIG_SMP
        ; Only Boot (Master) proceeds. Others wait in platform dependent way
        ;       IDENTITY Reg [ 3  2  1  0 ]
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -32,8 +32,6 @@ void __cpuinit arc_init_IRQ(void)
 {
        int level_mask = 0;
 
-       write_aux_reg(AUX_INTR_VEC_BASE, _int_vec_base_lds);
-
        /* Disable all IRQs: enable them as devices request */
        write_aux_reg(AUX_IENABLE, 0);
 


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