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Re: [PATCH] x86/xen/time: set ->min_delta_ticks and ->max_delta_ticks

From Juergen Gross <jgross@suse.com>
Newsgroups linux.kernel
Subject Re: [PATCH] x86/xen/time: set ->min_delta_ticks and ->max_delta_ticks
Date 2017-04-11 07:10 +0200
Message-ID <tuWdX-2Cp-3@gated-at.bofh.it> (permalink)
References <tpgS5-HE-3@gated-at.bofh.it> <tqOyl-36A-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 30/03/17 22:06, Nicolai Stange wrote:
> In preparation for making the clockevents core NTP correction aware,
> all clockevent device drivers must set ->min_delta_ticks and
> ->max_delta_ticks rather than ->min_delta_ns and ->max_delta_ns: a
> clockevent device's rate is going to change dynamically and thus, the
> ratio of ns to ticks ceases to stay invariant.
> 
> Make the x86 arch's xen clockevent driver initialize these fields properly.
> 
> This patch alone doesn't introduce any change in functionality as the
> clockevents core still looks exclusively at the (untouched) ->min_delta_ns
> and ->max_delta_ns. As soon as this has changed, a followup patch will
> purge the initialization of ->min_delta_ns and ->max_delta_ns from this
> driver.
> 
> Signed-off-by: Nicolai Stange <nicstange@gmail.com>

Applied to xen/tip for-linus-4.12


Thanks,

Juergen

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Re: [PATCH] x86/xen/time: set ->min_delta_ticks and ->max_delta_ticks Juergen Gross <jgross@suse.com> - 2017-04-11 07:10 +0200

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