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Commit f0514ae3 authored by James Bottomley's avatar James Bottomley Committed by Kyle McMartin
Browse files

parisc: initialize unwinder much earlier 



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: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: default avatarKyle McMartin <kyle@mcmartin.ca>
parent 0be7d1fe

arch/parisc/include/asm/unwind.h

+2 −0
Original line number Diff line number Diff line
@@ -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

arch/parisc/kernel/setup.c

+2 −0
Original line number Diff line number Diff line
@@ -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 */

arch/parisc/kernel/unwind.c

+1 −3
Original line number Diff line number Diff line
@@ -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);