Commit 0d9fbf78 authored by Josh Poimboeuf's avatar Josh Poimboeuf Committed by Jiri Kosina
Browse files

module: Remove module_disable_ro() 



module_disable_ro() has no more users.  Remove it.

Signed-off-by: default avatarJosh Poimboeuf <jpoimboe@redhat.com>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarJoe Lawrence <joe.lawrence@redhat.com>
Acked-by: default avatarMiroslav Benes <mbenes@suse.cz>
Acked-by: default avatarJessica Yu <jeyu@kernel.org>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent d556e1be

include/linux/module.h

+0 −2
Original line number Diff line number Diff line
@@ -860,10 +860,8 @@ extern int module_sysfs_initialized; 


#ifdef CONFIG_STRICT_MODULE_RWX

extern void module_enable_ro(const struct module *mod, bool after_init);

extern void module_disable_ro(const struct module *mod);

#else

static inline void module_enable_ro(const struct module *mod, bool after_init) { }

static inline void module_disable_ro(const struct module *mod) { }

#endif



#ifdef CONFIG_GENERIC_BUG

kernel/module.c

+0 −13
Original line number Diff line number Diff line
@@ -1997,19 +1997,6 @@ static void frob_writable_data(const struct module_layout *layout, 
		   (layout->size - layout->ro_after_init_size) >> PAGE_SHIFT);

}



/* livepatching wants to disable read-only so it can frob module. */

void module_disable_ro(const struct module *mod)

{

	if (!rodata_enabled)

		return;



	frob_text(&mod->core_layout, set_memory_rw);

	frob_rodata(&mod->core_layout, set_memory_rw);

	frob_ro_after_init(&mod->core_layout, set_memory_rw);

	frob_text(&mod->init_layout, set_memory_rw);

	frob_rodata(&mod->init_layout, set_memory_rw);

}



void module_enable_ro(const struct module *mod, bool after_init)

{

	if (!rodata_enabled)

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