From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, hpa@zytor.com,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:timers/urgent] ktime: Get rid of the union
Date: Wed, 4 Jan 2017 10:39:19 +0100 [thread overview]
Message-ID: <20170104093919.GC25813@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.20.1701040953140.3620@nanos>
On Wed, Jan 04, 2017 at 09:54:12AM +0100, Thomas Gleixner wrote:
> On Tue, 3 Jan 2017, Peter Zijlstra wrote:
> > > Get rid of the union and just keep ktime_t as simple typedef of type s64.
> >
> > All good stuff. One question that remains is why keep the type while
> > removing the cycles_t type?
>
> That would have been a massive surgery which I was not able to pull off on
> top of the other changes.
And the reason ktime needs be s64 is because 0 is at boot, and we need
to represent time before boot, right? Might want to stick that in a
comment somewhere near that typedef, so I don't keep asking this ;-)
next prev parent reply other threads:[~2017-01-04 9:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <tip-64dac5c9e0f5a933e4520f0cb689b7b143925207@git.kernel.org>
2017-01-03 10:36 ` [tip:timers/urgent] ktime: Get rid of the union Peter Zijlstra
2017-01-04 8:54 ` Thomas Gleixner
2017-01-04 9:39 ` Peter Zijlstra [this message]
2017-01-04 13:47 ` Frederic Weisbecker
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