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Kirill Smelkov
linux
Commits
6d90aa6c
Commit
6d90aa6c
authored
Jan 12, 2003
by
Russell King
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[ARm] Fix ARM exception table fixups for 2.5.55 updates.
parent
45becf16
Changes
1
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1 changed file
with
8 additions
and
4 deletions
+8
-4
arch/arm/mm/fault-common.c
arch/arm/mm/fault-common.c
+8
-4
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arch/arm/mm/fault-common.c
View file @
6d90aa6c
...
...
@@ -9,6 +9,7 @@
* published by the Free Software Foundation.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kernel.h>
...
...
@@ -102,23 +103,25 @@ static void
__do_kernel_fault
(
struct
mm_struct
*
mm
,
unsigned
long
addr
,
unsigned
int
fsr
,
struct
pt_regs
*
regs
)
{
unsigned
long
fixup
;
const
struct
exception_table_entry
*
fixup
;
/*
* Are we prepared to handle this kernel fault?
*/
if
((
fixup
=
search_exception_table
(
instruction_pointer
(
regs
)))
!=
0
)
{
fixup
=
search_exception_tables
(
instruction_pointer
(
regs
));
if
(
fixup
)
{
#ifdef DEBUG
printk
(
KERN_DEBUG
"%s: Exception at [<%lx>] addr=%lx (fixup: %lx)
\n
"
,
current
->
comm
,
regs
->
ARM_pc
,
addr
,
fixup
);
current
->
comm
,
regs
->
ARM_pc
,
addr
,
fixup
->
fixup
);
#endif
regs
->
ARM_pc
=
fixup
;
regs
->
ARM_pc
=
fixup
->
fixup
;
return
;
}
/*
* No handler, we'll have to terminate things with extreme prejudice.
*/
bust_spinlocks
(
1
);
printk
(
KERN_ALERT
"Unable to handle kernel %s at virtual address %08lx
\n
"
,
(
addr
<
PAGE_SIZE
)
?
"NULL pointer dereference"
:
...
...
@@ -126,6 +129,7 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
show_pte
(
mm
,
addr
);
die
(
"Oops"
,
regs
,
fsr
);
bust_spinlocks
(
0
);
do_exit
(
SIGKILL
);
}
...
...
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