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authorMaxime Ripard <maxime@cerno.tech>2022-04-05 11:37:03 +0200
committerMaxime Ripard <maxime@cerno.tech>2022-04-05 11:37:03 +0200
commitcf5c5763eb531ff5120111ad300126e926fb5a56 (patch)
tree41e3d49ad46f08fd6025264451390c7dc204303a /kernel/livepatch/patch.c
parent8047f98c8958d0f0c29882298ec293ff09ffea92 (diff)
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
downloadcachepc-linux-cf5c5763eb531ff5120111ad300126e926fb5a56.tar.gz
cachepc-linux-cf5c5763eb531ff5120111ad300126e926fb5a56.zip
Merge drm/drm-fixes into drm-misc-fixes
Let's start the 5.18 fixes cycle. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'kernel/livepatch/patch.c')
-rw-r--r--kernel/livepatch/patch.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/kernel/livepatch/patch.c b/kernel/livepatch/patch.c
index fe316c021d73..c172bf92b576 100644
--- a/kernel/livepatch/patch.c
+++ b/kernel/livepatch/patch.c
@@ -124,19 +124,6 @@ unlock:
ftrace_test_recursion_unlock(bit);
}
-/*
- * Convert a function address into the appropriate ftrace location.
- *
- * Usually this is just the address of the function, but on some architectures
- * it's more complicated so allow them to provide a custom behaviour.
- */
-#ifndef klp_get_ftrace_location
-static unsigned long klp_get_ftrace_location(unsigned long faddr)
-{
- return faddr;
-}
-#endif
-
static void klp_unpatch_func(struct klp_func *func)
{
struct klp_ops *ops;
@@ -153,8 +140,7 @@ static void klp_unpatch_func(struct klp_func *func)
if (list_is_singular(&ops->func_stack)) {
unsigned long ftrace_loc;
- ftrace_loc =
- klp_get_ftrace_location((unsigned long)func->old_func);
+ ftrace_loc = ftrace_location((unsigned long)func->old_func);
if (WARN_ON(!ftrace_loc))
return;
@@ -186,8 +172,7 @@ static int klp_patch_func(struct klp_func *func)
if (!ops) {
unsigned long ftrace_loc;
- ftrace_loc =
- klp_get_ftrace_location((unsigned long)func->old_func);
+ ftrace_loc = ftrace_location((unsigned long)func->old_func);
if (!ftrace_loc) {
pr_err("failed to find location for function '%s'\n",
func->old_name);