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sh: Delete unnecessary mov in the interrupt exception entry point. 

The INTEVT read at interrupt exception entry is uneccessary, as the read
is deferred until we are ready to enter do_IRQ(). The kgdb nmi path still
requires it, so move it there.

Signed-off-by: Aoi Shinkai <shinkoi2005@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Aoi Shinkai 2008-12-10 13:30:28 +09:00 committed by Paul Mundt
parent 06be372454
commit bd40e81323
1 changed files with 2 additions and 2 deletions
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4
arch/sh/kernel/cpu/sh3/entry.S
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@ -376,9 +376,9 @@ tlb_miss:
!
.balign 512,0,512
interrupt:
mov.l 2f, k2
mov.l 3f, k3
#if defined(CONFIG_KGDB_NMI)
mov.l 2f, k2
! Debounce (filter nested NMI)
mov.l @k2, k0
mov.l 5f, k1
@ -390,6 +390,7 @@ interrupt:
rte
nop
.align 2
2: .long INTEVT
5: .long NMI_VEC
6: .long in_nmi
0:
@ -399,7 +400,6 @@ interrupt:
.align 2
1: .long EXPEVT
2: .long INTEVT
3: .long ret_from_irq
4: .long ret_from_exception