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-rw-r--r--include/linux/kernel.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 77755ac3e189..fe6efb24d151 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -1,4 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * NOTE:
+ *
+ * This header has combined a lot of unrelated to each other stuff.
+ * The process of splitting its content is in progress while keeping
+ * backward compatibility. That's why it's highly recommended NOT to
+ * include this header inside another header file, especially under
+ * generic or architectural include/ directory.
+ */
#ifndef _LINUX_KERNEL_H
#define _LINUX_KERNEL_H
@@ -90,7 +99,7 @@ struct user;
extern int __cond_resched(void);
# define might_resched() __cond_resched()
-#elif defined(CONFIG_PREEMPT_DYNAMIC)
+#elif defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_CALL)
extern int __cond_resched(void);
@@ -101,6 +110,11 @@ static __always_inline void might_resched(void)
static_call_mod(might_resched)();
}
+#elif defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_KEY)
+
+extern int dynamic_might_resched(void);
+# define might_resched() dynamic_might_resched()
+
#else
# define might_resched() do { } while (0)
@@ -187,7 +201,6 @@ static inline void might_fault(void) { }
#endif
void do_exit(long error_code) __noreturn;
-void complete_and_exit(struct completion *, long) __noreturn;
extern int num_to_str(char *buf, int size,
unsigned long long num, unsigned int width);
@@ -272,7 +285,7 @@ static inline char *hex_byte_pack_upper(char *buf, u8 byte)
return buf;
}
-extern int hex_to_bin(char ch);
+extern int hex_to_bin(unsigned char ch);
extern int __must_check hex2bin(u8 *dst, const char *src, size_t count);
extern char *bin2hex(char *dst, const void *src, size_t count);