Re: [PATCH lttng-modules] Fix: bump stable kernel version ranges for clock work-around

From	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH lttng-modules] Fix: bump stable kernel version ranges for clock work-around
Date	2016-10-13 17:10 +0200
Message-ID	<srPNU-59l-13@gated-at.bofh.it> (permalink)
References	<srPbb-4G0-3@gated-at.bofh.it> <srPNU-59l-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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----- On Oct 13, 2016, at 5:00 PM, Greg Kroah-Hartman gregkh@linuxfoundation.org wrote:

> On Thu, Oct 13, 2016 at 03:56:55PM +0200, Mathieu Desnoyers wrote:
>> Linux commit 27727df240c7 ("Avoid taking lock in NMI path with
>> CONFIG_DEBUG_TIMEKEEPING"), changed the logic to open-code
>> the timekeeping_get_ns() function, but forgot to include
>> the unit conversion from cycles to nanoseconds, breaking the
>> function's output, which impacts LTTng.
>> 
>> We expected Linux commit 58bfea9532 "timekeeping: Fix
>> __ktime_get_fast_ns() regression" to make its way into stable
>> kernels promptly, but it appears new stable kernel releases were
>> done before the fix was cherry-picked from the master branch.
> 
> Sorry, will go queue that up now...

Thanks Greg! :)

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com

Thread

[PATCH lttng-modules] Fix: bump stable kernel version ranges for clock work-around Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2016-10-13 16:30 +0200
  Re: [PATCH lttng-modules] Fix: bump stable kernel version ranges  for clock work-around Mathieu Desnoyers <mathieu.desnoyers@efficios.com> - 2016-10-13 17:10 +0200
  Re: [PATCH lttng-modules] Fix: bump stable kernel version ranges for  clock work-around Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-13 17:20 +0200

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