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Date: Wed, 02 Apr 2008 10:42:44 -0700 From: Frank Mayhar <fmayhar@...gle.com> To: Roland McGrath <roland@...hat.com> Cc: linux-kernel@...r.kernel.org Subject: Re: posix-cpu-timers revamp On Tue, 2008-04-01 at 19:07 -0700, Roland McGrath wrote: > The first thing to do is move the existing summation of utime, stime, and > sum_exec_runtime in __exit_signal into an inline thread_group_cputime_exit. > That abstracts it into the set of inlines that can vary for the different > flavors of storage model. For UP, it does nothing. One quick note: this inline isn't needed for the 2b solution (allocate percpu storage in copy_signal CLONE_THREAD case), since if there's more than one thread there'll always be a percpu area and if there's only one thread the summation code won't be entered. -- Frank Mayhar <fmayhar@...gle.com> Google, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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