ia64: Convert vtime to use nsec units directly

There is no need anymore for this cputime_t midlayer. Let's use nsec units directly. Signed-off-by: Frederic Weisbecker <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Stanislaw Gruszka <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Tony Luck <[email protected]> Cc: Wanpeng Li <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
ejoerns · Feb 1, 2017 · e2339a4 · e2339a4
1 parent 4c56252
commit e2339a4
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Showing 2 changed files with 9 additions and 9 deletions.
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
@@ -1031,7 +1031,7 @@ GLOBAL_ENTRY(ia64_native_sched_clock)
 END(ia64_native_sched_clock)
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
-GLOBAL_ENTRY(cycle_to_cputime)
+GLOBAL_ENTRY(cycle_to_nsec)
 	alloc r16=ar.pfs,1,0,0,0
 	addl r8=THIS_CPU(ia64_cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0
 	;;
@@ -1047,7 +1047,7 @@ GLOBAL_ENTRY(cycle_to_cputime)
 	;;
 	shrp r8=r9,r8,IA64_NSEC_PER_CYC_SHIFT
 	br.ret.sptk.many rp
-END(cycle_to_cputime)
+END(cycle_to_nsec)
 #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
 
 #ifdef CONFIG_IA64_BRL_EMU

diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
@@ -60,34 +60,34 @@ static struct clocksource *itc_clocksource;
 
 #include <linux/kernel_stat.h>
 
-extern cputime_t cycle_to_cputime(u64 cyc);
+extern u64 cycle_to_nsec(u64 cyc);
 
 void vtime_flush(struct task_struct *tsk)
 {
 	struct thread_info *ti = task_thread_info(tsk);
 	u64 delta;
 
 	if (ti->utime)
-		account_user_time(tsk, cputime_to_nsecs(cycle_to_cputime(ti->utime)));
+		account_user_time(tsk, cycle_to_nsec(ti->utime));
 
 	if (ti->gtime)
-		account_guest_time(tsk, cputime_to_nsecs(cycle_to_cputime(ti->gtime)));
+		account_guest_time(tsk, cycle_to_nsec(ti->gtime));
 
 	if (ti->idle_time)
-		account_idle_time(cputime_to_nsecs(cycle_to_cputime(ti->idle_time)));
+		account_idle_time(cycle_to_nsec(ti->idle_time));
 
 	if (ti->stime) {
-		delta = cputime_to_nsecs(cycle_to_cputime(ti->stime));
+		delta = cycle_to_nsec(ti->stime);
 		account_system_index_time(tsk, delta, CPUTIME_SYSTEM);
 	}
 
 	if (ti->hardirq_time) {
-		delta = cputime_to_nsecs(cycle_to_cputime(ti->hardirq_time));
+		delta = cycle_to_nsec(ti->hardirq_time);
 		account_system_index_time(tsk, delta, CPUTIME_IRQ);
 	}
 
 	if (ti->softirq_time) {
-		delta = cputime_to_nsecs(cycle_to_cputime(ti->softirq_time));
+		delta = cycle_to_nsec(ti->softirq_time));
 		account_system_index_time(tsk, delta, CPUTIME_SOFTIRQ);
 	}