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[S390] cputime: add sparse checking and cleanup

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Make cputime_t and cputime64_t nocast to enable sparse checking to
detect incorrect use of cputime. Drop the cputime macros for simple
scalar operations. The conversion macros are still needed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2011-12-15 14:56:09 +01:00
parent 55b02d2f44
commit 648616343c
23 changed files with 321 additions and 427 deletions
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kernel/tsacct.c
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@ -127,7 +127,7 @@ void acct_update_integrals(struct task_struct *tsk)
local_irq_save(flags);
time = tsk->stime + tsk->utime;
dtime = cputime_sub(time, tsk->acct_timexpd);
dtime = time - tsk->acct_timexpd;
jiffies_to_timeval(cputime_to_jiffies(dtime), &value);
delta = value.tv_sec;
delta = delta * USEC_PER_SEC + value.tv_usec;