diff options
| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-09-11 14:17:23 (GMT) |
|---|---|---|
| committer | Kyle McMartin <kyle@hera.kernel.org> | 2008-10-10 16:32:30 (GMT) |
| commit | f0514ae323f19ba1ad4bea4174ea274c812f7eee (patch) | |
| tree | a13bd43c66a40157590466ce0e149a86d009c039 /arch | |
| parent | 0be7d1fe4361bb9f2ebbd6fa394687cbe4bea950 (diff) | |
| download | linux-f0514ae323f19ba1ad4bea4174ea274c812f7eee.tar.xz | |
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: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/include/asm/unwind.h | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/unwind.c | 4 |
3 files changed, 5 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/unwind.h b/arch/parisc/include/asm/unwind.h index 2f7e6e5..52482e4 100644 --- a/arch/parisc/include/asm/unwind.h +++ b/arch/parisc/include/asm/unwind.h @@ -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 diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index a59b71e..7d27853 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -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 */ diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 701b2d2..6773c58 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -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); |