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posix-cpu-timers: Remove cputime_expires

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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
This commit is contained in:
Thomas Gleixner 2019-08-21 21:09:14 +02:00
parent 001f797143
commit 46b883995c
2 changed files with 2 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/linux/posix-timers.h
View file

@ -65,19 +65,14 @@ static inline int clockid_to_fd(const clockid_t clk)
#ifdef CONFIG_POSIX_TIMERS #ifdef CONFIG_POSIX_TIMERS
/** /**
* posix_cputimers - Container for posix CPU timer related data * posix_cputimers - Container for posix CPU timer related data
* @cputime_expires: Earliest-expiration cache task_cputime based
* @expiries: Earliest-expiration cache array based * @expiries: Earliest-expiration cache array based
* @cpu_timers: List heads to queue posix CPU timers * @cpu_timers: List heads to queue posix CPU timers
* *
* Used in task_struct and signal_struct * Used in task_struct and signal_struct
*/ */
struct posix_cputimers { struct posix_cputimers {
/* Temporary union until all users are cleaned up */ u64 expiries[CPUCLOCK_MAX];
union { struct list_head cpu_timers[CPUCLOCK_MAX];
struct task_cputime cputime_expires;
u64 expiries[CPUCLOCK_MAX];
};
struct list_head cpu_timers[CPUCLOCK_MAX];
}; };
static inline void posix_cputimers_init(struct posix_cputimers *pct) static inline void posix_cputimers_init(struct posix_cputimers *pct)

10
kernel/time/posix-cpu-timers.c
View file

@ -18,16 +18,6 @@
#include "posix-timers.h" #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); static void posix_cpu_timer_rearm(struct k_itimer *timer);
void posix_cputimers_group_init(struct posix_cputimers *pct, u64 cpu_limit) void posix_cputimers_group_init(struct posix_cputimers *pct, u64 cpu_limit)