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Subject[tip: timers/core] posix-cpu-timers: Remove cputime_expires
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 <tglx@linutronix.de>
AuthorDate: Wed, 21 Aug 2019 21:09:14 +02:00
Committer: Thomas Gleixner <tglx@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 <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lkml.kernel.org/r/20190821192921.790209622@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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