The following commit has been merged into the timers/core branch of tip:

Commit-ID:     46b883995c88520f2c4de6a64cccc04c69d59f83
Gitweb:        
https://git.kernel.org/tip/46b883995c88520f2c4de6a64cccc04c69d59f83
Author:        Thomas Gleixner <t...@linutronix.de>
AuthorDate:    Wed, 21 Aug 2019 21:09:14 +02:00
Committer:     Thomas Gleixner <t...@linutronix.de>
CommitterDate: Wed, 28 Aug 2019 11:50:38 +02:00

posix-cpu-timers: Remove cputime_expires

The last users of the magic struct cputime based expiry cache are
gone. Remove the leftovers.

Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Reviewed-by: Frederic Weisbecker <frede...@kernel.org>
Link: https://lkml.kernel.org/r/20190821192921.790209...@linutronix.de

---
 include/linux/posix-timers.h   |  9 ++-------
 kernel/time/posix-cpu-timers.c | 10 ----------
 2 files changed, 2 insertions(+), 17 deletions(-)

diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index e36c6fd..fd90984 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -65,19 +65,14 @@ static inline int clockid_to_fd(const clockid_t clk)
 #ifdef CONFIG_POSIX_TIMERS
 /**
  * posix_cputimers - Container for posix CPU timer related data
- * @cputime_expires:   Earliest-expiration cache task_cputime based
  * @expiries:          Earliest-expiration cache array based
  * @cpu_timers:                List heads to queue posix CPU timers
  *
  * Used in task_struct and signal_struct
  */
 struct posix_cputimers {
-       /* Temporary union until all users are cleaned up */
-       union {
-               struct task_cputime     cputime_expires;
-               u64                     expiries[CPUCLOCK_MAX];
-       };
-       struct list_head                cpu_timers[CPUCLOCK_MAX];
+       u64                     expiries[CPUCLOCK_MAX];
+       struct list_head        cpu_timers[CPUCLOCK_MAX];
 };
 
 static inline void posix_cputimers_init(struct posix_cputimers *pct)
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index e159b03..ffd4918 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -18,16 +18,6 @@
 
 #include "posix-timers.h"
 
-static inline void temporary_check(void)
-{
-       BUILD_BUG_ON(offsetof(struct task_cputime, stime) !=
-                    CPUCLOCK_PROF * sizeof(u64));
-       BUILD_BUG_ON(offsetof(struct task_cputime, utime) !=
-                    CPUCLOCK_VIRT * sizeof(u64));
-       BUILD_BUG_ON(offsetof(struct task_cputime, sum_exec_runtime) !=
-                    CPUCLOCK_SCHED * sizeof(u64));
-}
-
 static void posix_cpu_timer_rearm(struct k_itimer *timer);
 
 void posix_cputimers_group_init(struct posix_cputimers *pct, u64 cpu_limit)

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