* Andrew Morton <[email protected]> wrote:
> We seem to have made a mess in there. timer_list_show() ends up
> calling lookup_module_symbol_name(), which takes a mutex. However
> print_symbol() (which is called at oops time, interrupt time, etc)
> calls module_address_lookup(), which is basically the same, only it
> doesn't take the mutex.
hm, current upstream does:
static void print_name_offset(struct seq_file *m, void *sym)
{
char symname[KSYM_NAME_LEN];
if (lookup_symbol_name((unsigned long)sym, symname) < 0)
why was that changed? I think symbol lookups for debug purposes have to
be lockless, fundamentally.
Ingo
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