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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-09-11 10:17:23 -0400
committerKyle McMartin <kyle@hera.kernel.org>2008-10-10 16:32:30 +0000
commitf0514ae323f19ba1ad4bea4174ea274c812f7eee (patch)
treea13bd43c66a40157590466ce0e149a86d009c039
parent0be7d1fe4361bb9f2ebbd6fa394687cbe4bea950 (diff)
downloadblackbird-op-linux-f0514ae323f19ba1ad4bea4174ea274c812f7eee.tar.gz
blackbird-op-linux-f0514ae323f19ba1ad4bea4174ea274c812f7eee.zip
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>
-rw-r--r--arch/parisc/include/asm/unwind.h2
-rw-r--r--arch/parisc/kernel/setup.c2
-rw-r--r--arch/parisc/kernel/unwind.c4
3 files changed, 5 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/unwind.h b/arch/parisc/include/asm/unwind.h
index 2f7e6e50a158..52482e4fc20d 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 a59b71efdbe5..7d27853ff8c8 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 701b2d2d8882..6773c582e457 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);
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