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timer_list: Guard procfs specific code
With CONFIG_PROC_FS=n the following warning is emitted: kernel/time/timer_list.c:361:36: warning: unused variable 'timer_list_sops' [-Wunused-const-variable] static const struct seq_operations timer_list_sops = { Add #ifdef guard around procfs specific code. Signed-off-by: Nathan Huckleberry <nhuck@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Cc: john.stultz@linaro.org Cc: sboyd@kernel.org Cc: clang-built-linux@googlegroups.com Link: https://github.com/ClangBuiltLinux/linux/issues/534 Link: https://lkml.kernel.org/r/20190614181604.112297-1-nhuck@google.com
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@ -282,23 +282,6 @@ static inline void timer_list_header(struct seq_file *m, u64 now)
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SEQ_printf(m, "\n");
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}
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static int timer_list_show(struct seq_file *m, void *v)
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{
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struct timer_list_iter *iter = v;
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if (iter->cpu == -1 && !iter->second_pass)
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timer_list_header(m, iter->now);
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else if (!iter->second_pass)
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print_cpu(m, iter->cpu, iter->now);
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#ifdef CONFIG_GENERIC_CLOCKEVENTS
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else if (iter->cpu == -1 && iter->second_pass)
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timer_list_show_tickdevices_header(m);
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else
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print_tickdevice(m, tick_get_device(iter->cpu), iter->cpu);
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#endif
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return 0;
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}
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void sysrq_timer_list_show(void)
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{
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u64 now = ktime_to_ns(ktime_get());
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@ -317,6 +300,24 @@ void sysrq_timer_list_show(void)
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return;
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}
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#ifdef CONFIG_PROC_FS
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static int timer_list_show(struct seq_file *m, void *v)
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{
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struct timer_list_iter *iter = v;
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if (iter->cpu == -1 && !iter->second_pass)
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timer_list_header(m, iter->now);
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else if (!iter->second_pass)
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print_cpu(m, iter->cpu, iter->now);
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#ifdef CONFIG_GENERIC_CLOCKEVENTS
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else if (iter->cpu == -1 && iter->second_pass)
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timer_list_show_tickdevices_header(m);
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else
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print_tickdevice(m, tick_get_device(iter->cpu), iter->cpu);
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#endif
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return 0;
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}
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static void *move_iter(struct timer_list_iter *iter, loff_t offset)
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{
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for (; offset; offset--) {
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@ -376,3 +377,4 @@ static int __init init_timer_list_procfs(void)
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return 0;
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}
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__initcall(init_timer_list_procfs);
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#endif
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