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locking/refcount: Remove unused 'refcount_error_report()' function

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'refcount_error_report()' has no callers. Remove it.

Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Tested-by: Hanjun Guo <guohanjun@huawei.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20191121115902.2551-10-will@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Will Deacon 2019-11-21 11:59:01 +00:00 committed by Ingo Molnar
parent fb041bb7c0
commit 2f30b36943
2 changed files with 0 additions and 18 deletions
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7
include/linux/kernel.h
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@ -328,13 +328,6 @@ extern int oops_may_print(void);
void do_exit(long error_code) __noreturn; void do_exit(long error_code) __noreturn;
void complete_and_exit(struct completion *, long) __noreturn; void complete_and_exit(struct completion *, long) __noreturn;
#ifdef CONFIG_ARCH_HAS_REFCOUNT
void refcount_error_report(struct pt_regs *regs, const char *err);
#else
static inline void refcount_error_report(struct pt_regs *regs, const char *err)
{ }
#endif
/* Internal, do not use. */ /* Internal, do not use. */
int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res); int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res);
int __must_check _kstrtol(const char *s, unsigned int base, long *res); int __must_check _kstrtol(const char *s, unsigned int base, long *res);

11
kernel/panic.c
View File

@ -671,17 +671,6 @@ EXPORT_SYMBOL(__stack_chk_fail);
#endif #endif
#ifdef CONFIG_ARCH_HAS_REFCOUNT
void refcount_error_report(struct pt_regs *regs, const char *err)
{
WARN_RATELIMIT(1, "refcount_t %s at %pB in %s[%d], uid/euid: %u/%u\n",
err, (void *)instruction_pointer(regs),
current->comm, task_pid_nr(current),
from_kuid_munged(&init_user_ns, current_uid()),
from_kuid_munged(&init_user_ns, current_euid()));
}
#endif
core_param(panic, panic_timeout, int, 0644); core_param(panic, panic_timeout, int, 0644);
core_param(panic_print, panic_print, ulong, 0644); core_param(panic_print, panic_print, ulong, 0644);
core_param(pause_on_oops, pause_on_oops, int, 0644); core_param(pause_on_oops, pause_on_oops, int, 0644);