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authorIngo Molnar <mingo@kernel.org>2021-03-21 22:16:08 +0100
committerIngo Molnar <mingo@kernel.org>2021-03-21 22:16:08 +0100
commitca8778c45e401067cefe2abbfb8b547c30d45908 (patch)
treec10beaf40adb2bbc6a8933f87ff9da7a5366bf42 /kernel/jump_label.c
parent21d6a7dcbfba5e7b31f4e9d555a9be362578bfc3 (diff)
parent2c41fab1c60b02626c8153a1806a7a1e5d62aaf1 (diff)
Merge branch 'linus' into x86/cleanups, to resolve conflict
Conflicts: arch/x86/kernel/kprobes/ftrace.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/jump_label.c')
-rw-r--r--kernel/jump_label.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index c6a39d662935..ba39fbb1f8e7 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -407,6 +407,14 @@ static bool jump_label_can_update(struct jump_entry *entry, bool init)
return false;
if (!kernel_text_address(jump_entry_code(entry))) {
+ /*
+ * This skips patching built-in __exit, which
+ * is part of init_section_contains() but is
+ * not part of kernel_text_address().
+ *
+ * Skipping built-in __exit is fine since it
+ * will never be executed.
+ */
WARN_ONCE(!jump_entry_is_init(entry),
"can't patch jump_label at %pS",
(void *)jump_entry_code(entry));