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kallsyms: fix building without printk
Building kallsyms fails without CONFIG_PRINTK due to a missing
declaration:
kernel/kallsyms.c: In function 'kallsyms_show_value':
kernel/kallsyms.c:670:10: error: 'kptr_restrict' undeclared (first use in this function); did you mean 'keyring_restrict'?
This moves the declaration outside of the #ifdef guard, the definition
is already available without CONFIG_PRINTK.
Fixes: c0f3ea1589
("stop using '%pK' for /proc/kallsyms pointer values")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[ I clearly need to start doing "allnoconfig" builds too, or just have a
test branch for the 0day robot - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 2 additions and 1 deletions
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@ -189,7 +189,6 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
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extern int printk_delay_msec;
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extern int dmesg_restrict;
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extern int kptr_restrict;
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extern int
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devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, void __user *buf,
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@ -280,6 +279,8 @@ static inline void printk_safe_flush_on_panic(void)
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}
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#endif
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extern int kptr_restrict;
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extern asmlinkage void dump_stack(void) __cold;
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#ifndef pr_fmt
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