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Subject[PATCH 10/11] adjust to changed HARDIRQ_MASK
adjust entry.S to the changed HARDIRQ_MASK, add a check to prevent it
from silently breaking again.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>

---
arch/m68k/kernel/entry.S | 4 ++--
arch/m68k/kernel/ints.c | 6 ++++++
2 files changed, 8 insertions(+), 2 deletions(-)
Index: linux-2.6-mm/arch/m68k/kernel/entry.S
===================================================================
--- linux-2.6-mm.orig/arch/m68k/kernel/entry.S
+++ linux-2.6-mm/arch/m68k/kernel/entry.S
@@ -226,7 +226,7 @@ ENTRY(nmi_handler)
inthandler:
SAVE_ALL_INT
GET_CURRENT(%d0)
- addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+2)
+ addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
| put exception # in d0
bfextu %sp@(PT_VECTOR){#4,#10},%d0

@@ -245,7 +245,7 @@ inthandler:
3: addql #8,%sp | pop parameters off stack

ret_from_interrupt:
- subqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+2)
+ subqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
jeq 1f
2:
RESTORE_ALL
Index: linux-2.6-mm/arch/m68k/kernel/ints.c
===================================================================
--- linux-2.6-mm.orig/arch/m68k/kernel/ints.c
+++ linux-2.6-mm/arch/m68k/kernel/ints.c
@@ -95,6 +95,12 @@ void __init init_IRQ(void)
{
int i;

+ /* assembly irq entry code relies on this... */
+ if (HARDIRQ_MASK != 0x00ff0000) {
+ extern void hardirq_mask_is_broken(void);
+ hardirq_mask_is_broken();
+ }
+
for (i = 0; i < SYS_IRQS; i++) {
if (mach_default_handler)
irq_list[i].handler = (*mach_default_handler)[i];
--

-
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