diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-06-19 12:32:13 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-06-19 12:32:13 +0200 |
| commit | bcb7416e3480c1abb46266bdab874b3b3d6124cb (patch) | |
| tree | 9d889b14957c0e266697d0674675bc42b0899571 /kernel/livepatch/core.c | |
| parent | 90b2df5743cd92f4525f662e8f12a536dfb58557 (diff) | |
| parent | 52d2d44eee8091e740d0d275df1311fb8373c9a9 (diff) | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh
backmerge of drm-next to pull it in.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'kernel/livepatch/core.c')
| -rw-r--r-- | kernel/livepatch/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 2398832947c6..c4ce08f43bd6 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -18,6 +18,7 @@ #include <linux/elf.h> #include <linux/moduleloader.h> #include <linux/completion.h> +#include <linux/memory.h> #include <asm/cacheflush.h> #include "core.h" #include "patch.h" @@ -718,16 +719,21 @@ static int klp_init_object_loaded(struct klp_patch *patch, struct klp_func *func; int ret; + mutex_lock(&text_mutex); + module_disable_ro(patch->mod); ret = klp_write_object_relocations(patch->mod, obj); if (ret) { module_enable_ro(patch->mod, true); + mutex_unlock(&text_mutex); return ret; } arch_klp_init_object_loaded(patch, obj); module_enable_ro(patch->mod, true); + mutex_unlock(&text_mutex); + klp_for_each_func(obj, func) { ret = klp_find_object_symbol(obj->name, func->old_name, func->old_sympos, |