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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
This commit is contained in:
Nathan Huckleberry 2019-06-14 11:16:04 -07:00 committed by Thomas Gleixner
parent 7586addb99
commit a9314773a9
1 changed files with 19 additions and 17 deletions
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36
kernel/time/timer_list.c
View File

@ -282,23 +282,6 @@ static inline void timer_list_header(struct seq_file *m, u64 now)
SEQ_printf(m, "\n");
}
static int timer_list_show(struct seq_file *m, void *v)
{
struct timer_list_iter *iter = v;
if (iter->cpu == -1 && !iter->second_pass)
timer_list_header(m, iter->now);
else if (!iter->second_pass)
print_cpu(m, iter->cpu, iter->now);
#ifdef CONFIG_GENERIC_CLOCKEVENTS
else if (iter->cpu == -1 && iter->second_pass)
timer_list_show_tickdevices_header(m);
else
print_tickdevice(m, tick_get_device(iter->cpu), iter->cpu);
#endif
return 0;
}
void sysrq_timer_list_show(void)
{
u64 now = ktime_to_ns(ktime_get());
@ -317,6 +300,24 @@ void sysrq_timer_list_show(void)
return;
}
#ifdef CONFIG_PROC_FS
static int timer_list_show(struct seq_file *m, void *v)
{
struct timer_list_iter *iter = v;
if (iter->cpu == -1 && !iter->second_pass)
timer_list_header(m, iter->now);
else if (!iter->second_pass)
print_cpu(m, iter->cpu, iter->now);
#ifdef CONFIG_GENERIC_CLOCKEVENTS
else if (iter->cpu == -1 && iter->second_pass)
timer_list_show_tickdevices_header(m);
else
print_tickdevice(m, tick_get_device(iter->cpu), iter->cpu);
#endif
return 0;
}
static void *move_iter(struct timer_list_iter *iter, loff_t offset)
{
for (; offset; offset--) {
@ -376,3 +377,4 @@ static int __init init_timer_list_procfs(void)
return 0;
}
__initcall(init_timer_list_procfs);
#endif