disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/kernel.h
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@@ -10,6 +10,7 @@
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 #include <linux/types.h>
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 #include <linux/compiler.h>
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 #include <linux/bitops.h>
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+#include <linux/kstrtox.h>
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 #include <linux/log2.h>
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 #include <linux/minmax.h>
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 #include <linux/typecheck.h>
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@@ -46,6 +47,8 @@
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  * @arr: array to be sized
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  */
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 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
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+
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+#define PTR_IF(cond, ptr)	((cond) ? (ptr) : NULL)
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 #define u64_to_user_ptr(x) (		\
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 {					\
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@@ -204,7 +207,6 @@
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 extern void ___might_sleep(const char *file, int line, int preempt_offset);
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 extern void __might_sleep(const char *file, int line, int preempt_offset);
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 extern void __cant_sleep(const char *file, int line, int preempt_offset);
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-extern void __cant_migrate(const char *file, int line);
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 /**
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  * might_sleep - annotation for functions that can sleep
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@@ -220,10 +222,6 @@
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  */
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 # define might_sleep() \
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 	do { __might_sleep(__FILE__, __LINE__, 0); might_resched(); } while (0)
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-
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-# define might_sleep_no_state_check() \
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-	do { ___might_sleep(__FILE__, __LINE__, 0); } while (0)
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-
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 /**
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  * cant_sleep - annotation for functions that cannot sleep
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  *
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@@ -232,18 +230,6 @@
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 # define cant_sleep() \
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 	do { __cant_sleep(__FILE__, __LINE__, 0); } while (0)
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 # define sched_annotate_sleep()	(current->task_state_change = 0)
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-
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-/**
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- * cant_migrate - annotation for functions that cannot migrate
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- *
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- * Will print a stack trace if executed in code which is migratable
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- */
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-# define cant_migrate()							\
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-	do {								\
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-		if (IS_ENABLED(CONFIG_SMP))				\
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-			__cant_migrate(__FILE__, __LINE__);		\
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-	} while (0)
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-
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 /**
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  * non_block_start - annotate the start of section where sleeping is prohibited
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  *
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@@ -267,15 +253,20 @@
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   static inline void __might_sleep(const char *file, int line,
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 				   int preempt_offset) { }
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 # define might_sleep() do { might_resched(); } while (0)
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-# define might_sleep_no_state_check() do { might_resched(); } while (0)
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 # define cant_sleep() do { } while (0)
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-# define cant_migrate()		do { } while (0)
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 # define sched_annotate_sleep() do { } while (0)
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 # define non_block_start() do { } while (0)
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 # define non_block_end() do { } while (0)
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 #endif
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 #define might_sleep_if(cond) do { if (cond) might_sleep(); } while (0)
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+
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+#ifndef CONFIG_PREEMPT_RT
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+# define cant_migrate()		cant_sleep()
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+#else
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+  /* Placeholder for now */
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+# define cant_migrate()		do { } while (0)
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+#endif
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 /**
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  * abs - return absolute value of an argument
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@@ -332,153 +323,12 @@
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 __printf(1, 2)
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 void panic(const char *fmt, ...) __noreturn __cold;
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 void nmi_panic(struct pt_regs *regs, const char *msg);
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+void check_panic_on_warn(const char *origin);
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 extern void oops_enter(void);
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 extern void oops_exit(void);
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 extern bool oops_may_print(void);
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 void do_exit(long error_code) __noreturn;
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 void complete_and_exit(struct completion *, long) __noreturn;
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-
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-/* Internal, do not use. */
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-int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res);
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-int __must_check _kstrtol(const char *s, unsigned int base, long *res);
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-
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-int __must_check kstrtoull(const char *s, unsigned int base, unsigned long long *res);
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-int __must_check kstrtoll(const char *s, unsigned int base, long long *res);
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-
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-/**
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- * kstrtoul - convert a string to an unsigned long
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- * @s: The start of the string. The string must be null-terminated, and may also
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- *  include a single newline before its terminating null. The first character
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- *  may also be a plus sign, but not a minus sign.
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- * @base: The number base to use. The maximum supported base is 16. If base is
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- *  given as 0, then the base of the string is automatically detected with the
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- *  conventional semantics - If it begins with 0x the number will be parsed as a
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- *  hexadecimal (case insensitive), if it otherwise begins with 0, it will be
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- *  parsed as an octal number. Otherwise it will be parsed as a decimal.
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- * @res: Where to write the result of the conversion on success.
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- *
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- * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
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- * Preferred over simple_strtoul(). Return code must be checked.
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-*/
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-static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res)
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-{
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-	/*
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-	 * We want to shortcut function call, but
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-	 * __builtin_types_compatible_p(unsigned long, unsigned long long) = 0.
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-	 */
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-	if (sizeof(unsigned long) == sizeof(unsigned long long) &&
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-	    __alignof__(unsigned long) == __alignof__(unsigned long long))
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-		return kstrtoull(s, base, (unsigned long long *)res);
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-	else
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-		return _kstrtoul(s, base, res);
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-}
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-
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-/**
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- * kstrtol - convert a string to a long
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- * @s: The start of the string. The string must be null-terminated, and may also
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- *  include a single newline before its terminating null. The first character
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- *  may also be a plus sign or a minus sign.
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- * @base: The number base to use. The maximum supported base is 16. If base is
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- *  given as 0, then the base of the string is automatically detected with the
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- *  conventional semantics - If it begins with 0x the number will be parsed as a
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- *  hexadecimal (case insensitive), if it otherwise begins with 0, it will be
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- *  parsed as an octal number. Otherwise it will be parsed as a decimal.
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- * @res: Where to write the result of the conversion on success.
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- *
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- * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
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- * Preferred over simple_strtol(). Return code must be checked.
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- */
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-static inline int __must_check kstrtol(const char *s, unsigned int base, long *res)
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-{
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-	/*
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-	 * We want to shortcut function call, but
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-	 * __builtin_types_compatible_p(long, long long) = 0.
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-	 */
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-	if (sizeof(long) == sizeof(long long) &&
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-	    __alignof__(long) == __alignof__(long long))
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-		return kstrtoll(s, base, (long long *)res);
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-	else
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-		return _kstrtol(s, base, res);
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-}
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-
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-int __must_check kstrtouint(const char *s, unsigned int base, unsigned int *res);
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-int __must_check kstrtoint(const char *s, unsigned int base, int *res);
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-
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-static inline int __must_check kstrtou64(const char *s, unsigned int base, u64 *res)
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-{
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-	return kstrtoull(s, base, res);
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-}
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-
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-static inline int __must_check kstrtos64(const char *s, unsigned int base, s64 *res)
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-{
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-	return kstrtoll(s, base, res);
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-}
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-
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-static inline int __must_check kstrtou32(const char *s, unsigned int base, u32 *res)
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-{
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-	return kstrtouint(s, base, res);
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-}
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-
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-static inline int __must_check kstrtos32(const char *s, unsigned int base, s32 *res)
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-{
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-	return kstrtoint(s, base, res);
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-}
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-
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-int __must_check kstrtou16(const char *s, unsigned int base, u16 *res);
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-int __must_check kstrtos16(const char *s, unsigned int base, s16 *res);
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-int __must_check kstrtou8(const char *s, unsigned int base, u8 *res);
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-int __must_check kstrtos8(const char *s, unsigned int base, s8 *res);
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-int __must_check kstrtobool(const char *s, bool *res);
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-
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-int __must_check kstrtoull_from_user(const char __user *s, size_t count, unsigned int base, unsigned long long *res);
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-int __must_check kstrtoll_from_user(const char __user *s, size_t count, unsigned int base, long long *res);
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-int __must_check kstrtoul_from_user(const char __user *s, size_t count, unsigned int base, unsigned long *res);
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-int __must_check kstrtol_from_user(const char __user *s, size_t count, unsigned int base, long *res);
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-int __must_check kstrtouint_from_user(const char __user *s, size_t count, unsigned int base, unsigned int *res);
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-int __must_check kstrtoint_from_user(const char __user *s, size_t count, unsigned int base, int *res);
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-int __must_check kstrtou16_from_user(const char __user *s, size_t count, unsigned int base, u16 *res);
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-int __must_check kstrtos16_from_user(const char __user *s, size_t count, unsigned int base, s16 *res);
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-int __must_check kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, u8 *res);
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-int __must_check kstrtos8_from_user(const char __user *s, size_t count, unsigned int base, s8 *res);
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-int __must_check kstrtobool_from_user(const char __user *s, size_t count, bool *res);
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-
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-static inline int __must_check kstrtou64_from_user(const char __user *s, size_t count, unsigned int base, u64 *res)
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-{
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-	return kstrtoull_from_user(s, count, base, res);
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-}
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-
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-static inline int __must_check kstrtos64_from_user(const char __user *s, size_t count, unsigned int base, s64 *res)
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-{
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-	return kstrtoll_from_user(s, count, base, res);
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-}
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-
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-static inline int __must_check kstrtou32_from_user(const char __user *s, size_t count, unsigned int base, u32 *res)
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-{
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-	return kstrtouint_from_user(s, count, base, res);
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-}
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-
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-static inline int __must_check kstrtos32_from_user(const char __user *s, size_t count, unsigned int base, s32 *res)
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-{
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-	return kstrtoint_from_user(s, count, base, res);
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-}
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-
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-/*
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- * Use kstrto<foo> instead.
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- *
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- * NOTE: simple_strto<foo> does not check for the range overflow and,
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- *	 depending on the input, may give interesting results.
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- *
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- * Use these functions if and only if you cannot use kstrto<foo>, because
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- * the conversion ends on the first non-digit character, which may be far
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- * beyond the supported range. It might be useful to parse the strings like
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- * 10x50 or 12:21 without altering original string or temporary buffer in use.
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- * Keep in mind above caveat.
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- */
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-
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-extern unsigned long simple_strtoul(const char *,char **,unsigned int);
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-extern long simple_strtol(const char *,char **,unsigned int);
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-extern unsigned long long simple_strtoull(const char *,char **,unsigned int);
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-extern long long simple_strtoll(const char *,char **,unsigned int);
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 extern int num_to_str(char *buf, int size,
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 		      unsigned long long num, unsigned int width);
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@@ -531,12 +381,6 @@
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 	return (u32)int_sqrt(x);
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 }
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 #endif
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-
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-#ifdef CONFIG_SMP
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-extern unsigned int sysctl_oops_all_cpu_backtrace;
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-#else
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-#define sysctl_oops_all_cpu_backtrace 0
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-#endif /* CONFIG_SMP */
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 extern void bust_spinlocks(int yes);
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 extern int panic_timeout;