diff options
Diffstat (limited to 'scripts/kallsyms.c')
| -rw-r--r-- | scripts/kallsyms.c | 14 |
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) |