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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
| commit | 7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch) | |
| tree | 04754a0c6495e57c1fe5f417fbfc99272d353c0e /arch/ia64/mm/extable.c | |
| parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
| parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) | |
| download | kernel-crypto-7dafd239ab522d38979ebe44d79aa68ad7b1a383.tar.gz kernel-crypto-7dafd239ab522d38979ebe44d79aa68ad7b1a383.tar.xz kernel-crypto-7dafd239ab522d38979ebe44d79aa68ad7b1a383.zip | |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/ia64/mm/extable.c')
| -rw-r--r-- | arch/ia64/mm/extable.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c index 71c50dd8f87..e95d5ad9285 100644 --- a/arch/ia64/mm/extable.c +++ b/arch/ia64/mm/extable.c @@ -53,6 +53,32 @@ void sort_extable (struct exception_table_entry *start, cmp_ex, swap_ex); } +static inline unsigned long ex_to_addr(const struct exception_table_entry *x) +{ + return (unsigned long)&x->insn + x->insn; +} + +#ifdef CONFIG_MODULES +/* + * Any entry referring to the module init will be at the beginning or + * the end. + */ +void trim_init_extable(struct module *m) +{ + /*trim the beginning*/ + while (m->num_exentries && + within_module_init(ex_to_addr(&m->extable[0]), m)) { + m->extable++; + m->num_exentries--; + } + /*trim the end*/ + while (m->num_exentries && + within_module_init(ex_to_addr(&m->extable[m->num_exentries-1]), + m)) + m->num_exentries--; +} +#endif /* CONFIG_MODULES */ + const struct exception_table_entry * search_extable (const struct exception_table_entry *first, const struct exception_table_entry *last, |