x86: PM_TRACE support

Signed-off-by: Nigel Cunningham <nigel@nigel.suspend2.net>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c
index a9ab30fefffc..2b0c601e422e 100644
--- a/drivers/base/power/trace.c
+++ b/drivers/base/power/trace.c
@@ -142,6 +142,7 @@ void set_trace_device(struct device *dev)
 {
         dev_hash_value = hash_string(DEVSEED, dev->bus_id, DEVHASH);
 }
+EXPORT_SYMBOL(set_trace_device);
 
 /*
  * We could just take the "tracedata" index into the .tracedata
@@ -162,6 +163,7 @@ void generate_resume_trace(void *tracedata, unsigned int user)
         file_hash_value = hash_string(lineno, file, FILEHASH);
         set_magic_time(user_hash_value, file_hash_value, dev_hash_value);
 }
+EXPORT_SYMBOL(generate_resume_trace);
 
 extern char __tracedata_start, __tracedata_end;
 static int show_file_hash(unsigned int value)
@@ -170,7 +172,8 @@ static int show_file_hash(unsigned int value)
         char *tracedata;
 
         match = 0;
-        for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ; tracedata += 6) {
+        for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ;
+                        tracedata += 2 + sizeof(unsigned long)) {
                 unsigned short lineno = *(unsigned short *)tracedata;
                 const char *file = *(const char **)(tracedata + 2);
                 unsigned int hash = hash_string(lineno, file, FILEHASH);