Re: [PATCH v4 1/3] clocksource: timer-keystone: introduce clocksource driver for Keystone

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On Tue, 4 Feb 2014, Ivan Khoronzhuk wrote:

Please do not top post.

> It was so in v1. But it was decided to use explicit memory barriers,
> because we're always sure the memory barriers are there and that
> they're properly documented. Also in this case I don't need to add
> keystone readl/writel relaxed function variants and to use mixed calls of
> writel/writel_relaxed functions.
> 
> See:
> http://www.spinics.net/lists/arm-kernel/msg294941.html

Fair enough, but we want a proper explanation for explicit barriers in
the code and not in some random discussion of patch version X on some
random mailing list.

Aside of that it should be iowmb(), but I might miss something ...

Thanks,

	tglx

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