From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Subject: [lttng-dev] [PATCH lttng-modules] Fix: bump stable kernel version ranges for clock work-around
Date: Thu, 13 Oct 2016 15:09:43 +0000 (UTC) [thread overview]
Message-ID: <1651331541.54386.1476371383378.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <20161013150036.GA21105@kroah.com>
----- On Oct 13, 2016, at 5:00 PM, Greg Kroah-Hartman gregkh at 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
prev parent reply other threads:[~2016-10-13 15:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 13:56 Mathieu Desnoyers
2016-10-13 15:00 ` Greg Kroah-Hartman
2016-10-13 15:09 ` Mathieu Desnoyers [this message]
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