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Commit 46b88399 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarFrederic Weisbecker <frederic@kernel.org>
Link: https://lkml.kernel.org/r/20190821192921.790209622@linutronix.de
parent 001f7971

include/linux/posix-timers.h

+2 −7
Original line number Diff line number Diff line
@@ -65,18 +65,13 @@ 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];

};

kernel/time/posix-cpu-timers.c

+0 −10
Original line number Diff line number Diff line
@@ -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)