1 files changed, 12 insertions, 2 deletions

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 8fa81e84e295..d39a1eeb080e 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -34,6 +34,7 @@ struct sym_entry {
         unsigned int len;
         unsigned int start_pos;
         unsigned char *sym;
+        unsigned int percpu_absolute;
 };
 
 struct addr_range {
@@ -171,6 +172,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
         strcpy((char *)s->sym + 1, str);
         s->sym[0] = stype;
 
+        s->percpu_absolute = 0;
+
         /* Record if we've found __per_cpu_start/end. */
         check_symbol_range(sym, s->addr, &percpu_range, 1);
 
@@ -325,7 +328,7 @@ static int expand_symbol(unsigned char *data, int len, char *result)
 
 static int symbol_absolute(struct sym_entry *s)
 {
-        return toupper(s->sym[0]) == 'A';
+        return s->percpu_absolute;
 }
 
 static void write_src(void)
@@ -681,8 +684,15 @@ static void make_percpus_absolute(void)
         unsigned int i;
 
         for (i = 0; i < table_cnt; i++)
-                if (symbol_in_range(&table[i], &percpu_range, 1))
+                if (symbol_in_range(&table[i], &percpu_range, 1)) {
+                        /*
+                         * Keep the 'A' override for percpu symbols to
+                         * ensure consistent behavior compared to older
+                         * versions of this tool.
+                         */
                         table[i].sym[0] = 'A';
+                        table[i].percpu_absolute = 1;
+                }
 }
 
 int main(int argc, char **argv)