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[03/23] context_tracking: Remove unused context_tracking_in_user()

Message ID 20220620231029.3844583-3-paulmck@kernel.org (mailing list archive)
State Mainlined
Commit 5f8a62af527ad8a615d68889d816b72c3f5f227f
Headers show
Series RCU/context-tracking updates for v5.20 | expand

Commit Message

Paul E. McKenney June 20, 2022, 11:10 p.m. UTC 
From: Frederic Weisbecker <frederic@kernel.org>

This function is not used and CT_WARN_ON() coupled with ct_state() is
the preferred way to assert context tracking state values.

Reported-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Cc: Yu Liao <liaoyu15@huawei.com>
Cc: Phil Auld <pauld@redhat.com>
Cc: Paul Gortmaker<paul.gortmaker@windriver.com>
Cc: Alex Belits <abelits@marvell.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 include/linux/context_tracking_state.h | 5 -----
 1 file changed, 5 deletions(-)
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Patch

diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h
index ae1e63e269474..edc7b46376a6b 100644
--- a/include/linux/context_tracking_state.h
+++ b/include/linux/context_tracking_state.h
@@ -41,12 +41,7 @@  static inline bool context_tracking_enabled_this_cpu(void)
 	return context_tracking_enabled() && __this_cpu_read(context_tracking.active);
 }
 
-static __always_inline bool context_tracking_in_user(void)
-{
-	return __this_cpu_read(context_tracking.state) == CONTEXT_USER;
-}
 #else
-static __always_inline bool context_tracking_in_user(void) { return false; }
 static __always_inline bool context_tracking_enabled(void) { return false; }
 static __always_inline bool context_tracking_enabled_cpu(int cpu) { return false; }
 static __always_inline bool context_tracking_enabled_this_cpu(void) { return false; }