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    Subject[RESEND PATCH v4 09/10] lib/refcount: Remove unused 'refcount_error_report()' function
    Date
    'refcount_error_report()' has no callers. Remove it.

    Cc: Ingo Molnar <mingo@kernel.org>
    Cc: Elena Reshetova <elena.reshetova@intel.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Cc: Kees Cook <keescook@chromium.org>
    Acked-by: Kees Cook <keescook@chromium.org>
    Signed-off-by: Will Deacon <will@kernel.org>
    ---
    include/linux/kernel.h | 7 -------
    kernel/panic.c | 11 -----------
    2 files changed, 18 deletions(-)

    diff --git a/include/linux/kernel.h b/include/linux/kernel.h
    index d83d403dac2e..09f759228e3f 100644
    --- a/include/linux/kernel.h
    +++ b/include/linux/kernel.h
    @@ -328,13 +328,6 @@ extern int oops_may_print(void);
    void do_exit(long error_code) __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. */
    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);
    diff --git a/kernel/panic.c b/kernel/panic.c
    index 47e8ebccc22b..10d05fd4f9c3 100644
    --- a/kernel/panic.c
    +++ b/kernel/panic.c
    @@ -670,17 +670,6 @@ EXPORT_SYMBOL(__stack_chk_fail);

    #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_print, panic_print, ulong, 0644);
    core_param(pause_on_oops, pause_on_oops, int, 0644);
    --
    2.24.0.432.g9d3f5f5b63-goog
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