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module: Always have struct mod_tree_root

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In order to separate text and data, we need to setup
two rb trees.

This means that struct mod_tree_root is required even without
MODULES_TREE_LOOKUP.

Signed-off-by: Christophe Leroy <[email protected]>
Reviewed-by: Aaron Tomlin <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
This commit is contained in:
Christophe Leroy authored and Luis Chamberlain committed 2022-04-05 08:43:05 -07:00
1 parent 7337f929d5
commit 80b8bf4369
2 files changed
+3 -6
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kernel/module/internal.h
+3 -1
View File
@@ -143,15 +143,17 @@ static inline void module_decompress_cleanup(struct load_info *info)
}
#endif
#ifdef CONFIG_MODULES_TREE_LOOKUP
struct mod_tree_root {
#ifdef CONFIG_MODULES_TREE_LOOKUP
struct latch_tree_root root;
#endif
unsigned long addr_min;
unsigned long addr_max;
};
extern struct mod_tree_root mod_tree;
#ifdef CONFIG_MODULES_TREE_LOOKUP
void mod_tree_insert(struct module *mod);
void mod_tree_remove_init(struct module *mod);
void mod_tree_remove(struct module *mod);
kernel/module/main.c
-5
View File
@@ -74,7 +74,6 @@ static void do_free_init(struct work_struct *w);
static DECLARE_WORK(init_free_wq, do_free_init);
static LLIST_HEAD(init_free_list);
#ifdef CONFIG_MODULES_TREE_LOOKUP
struct mod_tree_root mod_tree __cacheline_aligned = {
.addr_min = -1UL,
};
@@ -82,10 +81,6 @@ struct mod_tree_root mod_tree __cacheline_aligned = {
#define module_addr_min mod_tree.addr_min
#define module_addr_max mod_tree.addr_max
#else /* !CONFIG_MODULES_TREE_LOOKUP */
static unsigned long module_addr_min = -1UL, module_addr_max;
#endif /* CONFIG_MODULES_TREE_LOOKUP */
struct symsearch {
const struct kernel_symbol *start, *stop;
const s32 *crcs;