linux-kernel - Re: [PATCH 5/9] async: Wrap hrtimer to provide a time source for a kfence

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Message-ID: <20160713103251.GC30921@twins.programming.kicks-ass.net>
Date:	Wed, 13 Jul 2016 12:32:51 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	linux-kernel@...r.kernel.org,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Shuah Khan <shuahkh@....samsung.com>,
	Tejun Heo <tj@...nel.org>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Kees Cook <keescook@...omium.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Andrey Ryabinin <aryabinin@...tuozzo.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
	"David S. Miller" <davem@...emloft.net>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH 5/9] async: Wrap hrtimer to provide a time source for a
 kfence

On Fri, Jun 24, 2016 at 10:08:49AM +0100, Chris Wilson wrote:
> kfence_add_delay() is a convenience wrapper around
> hrtimer_start_range_ns() to provide a time source for a kfence graph.

Changelog could be greatly improved by telling us why we'd want this.