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x86/tsc: Remove the unused check_tsc_disabled()

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check_tsc_disabled() was introduced by commit:

  c73deb6aec ("perf/x86: Add ability to calculate TSC from perf sample timestamps")

The only caller was arch_perf_update_userpage(), which had been refactored
by commit:

  d8b11a0cbd ("perf/x86: Clean up cap_user_time* setting")

... so no need keep and export it any more.

Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: adrian.hunter@intel.com
Cc: bp@suse.de
Link: http://lkml.kernel.org/r/1468570330-25810-1-git-send-email-weijg.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Wei Jiangang
2016-07-15 16:12:10 +08:00
committed by Ingo Molnar
parent ff4c86635e
commit c48ec42d6e
2 changed files with 0 additions and 7 deletions
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6
arch/x86/kernel/tsc.c
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@@ -335,12 +335,6 @@ int check_tsc_unstable(void)
}
EXPORT_SYMBOL_GPL(check_tsc_unstable);
int check_tsc_disabled(void)
{
return tsc_disabled;
}
EXPORT_SYMBOL_GPL(check_tsc_disabled);
#ifdef CONFIG_X86_TSC
int __init notsc_setup(char *str)
{