From: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
To: Frederic Barrat <fbarrat@linux.vnet.ibm.com>,
imunsie@au1.ibm.com, michael.neuling@au1.ibm.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] cxl: Fix PSL timebase synchronization detection
Date: Thu, 25 Feb 2016 11:30:21 +1100 [thread overview]
Message-ID: <56CE4B1D.6080500@au1.ibm.com> (raw)
In-Reply-To: <1456334871-30397-1-git-send-email-fbarrat@linux.vnet.ibm.com>
On 25/02/16 04:27, Frederic Barrat wrote:
> The PSL timebase synchronization is seemingly failing for
> configuration not including VIRT_CPU_ACCOUNTING_NATIVE. The driver
> shows the following trace in dmesg:
> PSL: Timebase sync: giving up!
>
> The PSL timebase register is actually syncing correctly, but the cxl
> driver is not detecting it. Fix is to use the proper timebase-to-time
> conversion.
>
> Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
> Cc: <stable@vger.kernel.org> # 4.3+
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
--
Andrew Donnellan Software Engineer, OzLabs
andrew.donnellan@au1.ibm.com Australia Development Lab, Canberra
+61 2 6201 8874 (work) IBM Australia Limited
next prev parent reply other threads:[~2016-02-25 0:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-24 17:27 [PATCH] cxl: Fix PSL timebase synchronization detection Frederic Barrat
2016-02-24 17:37 ` Michael Neuling
2016-02-24 18:13 ` Matthew R. Ochs
2016-02-25 0:20 ` Ian Munsie
2016-02-25 0:30 ` Andrew Donnellan [this message]
2016-02-25 1:19 ` Vaibhav Jain
2016-02-29 11:01 ` Michael Ellerman
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