diff options
| author |   Aoi Shinkai <shinkoi2005@gmail.com> | 2008-12-10 13:30:28 +0900 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2008-12-22 18:44:02 +0900 |
| commit | bd40e8132336fbc3f2857f24720e11b6c1c9ac26 (patch) | |
| tree | 6eaccd510d76aff832b124d5f34b2b1023f1fcda /arch/sh/kernel/cpu/sh3 | |
| parent | sh: Fix an off-by-1 check in __mutex_fastpath_unlock(). (diff) | |
| download | linux-dev-bd40e8132336fbc3f2857f24720e11b6c1c9ac26.tar.xz linux-dev-bd40e8132336fbc3f2857f24720e11b6c1c9ac26.zip | |
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>
Diffstat (limited to 'arch/sh/kernel/cpu/sh3')
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/entry.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 3fe482dd05c1..f112faa219c3 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -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 |