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parisc: initialize unwinder much earlier

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The unwinder was being initialized way too late to be any use
debugging early boot crashes. Instead of relying on module_init
initcalls to initialize it, let's do it explicitly as early as
we can.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
This commit is contained in:
James Bottomley 2008-09-11 10:17:23 -04:00 committed by Kyle McMartin
parent 0be7d1fe43
commit f0514ae323
3 changed files with 5 additions and 3 deletions
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2
arch/parisc/include/asm/unwind.h
View file

@ -74,4 +74,6 @@ void unwind_frame_init_running(struct unwind_frame_info *info, struct pt_regs *r
int unwind_once(struct unwind_frame_info *info);
int unwind_to_user(struct unwind_frame_info *info);
int unwind_init(void);
#endif

2
arch/parisc/kernel/setup.c
View file

@ -44,6 +44,7 @@
#include <asm/pdc_chassis.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/unwind.h>
static char __initdata command_line[COMMAND_LINE_SIZE];
@ -123,6 +124,7 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_64BIT
extern int parisc_narrow_firmware;
#endif
unwind_init();
init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */

4
arch/parisc/kernel/unwind.c
View file

@ -170,7 +170,7 @@ void unwind_table_remove(struct unwind_table *table)
}
/* Called from setup_arch to import the kernel unwind info */
static int unwind_init(void)
int unwind_init(void)
{
long start, stop;
register unsigned long gp __asm__ ("r27");
@ -417,5 +417,3 @@ int unwind_to_user(struct unwind_frame_info *info)
return ret;
}
module_init(unwind_init);