From: Michael Ellerman <mpe@ellerman.id.au>
To: Frederic Barrat <fbarrat@linux.vnet.ibm.com>,
imunsie@au1.ibm.com, michael.neuling@au1.ibm.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: cxl: Fix PSL timebase synchronization detection
Date: Mon, 29 Feb 2016 22:01:44 +1100 (AEDT) [thread overview]
Message-ID: <20160229110144.6415A140324@ozlabs.org> (raw)
In-Reply-To: <1456334871-30397-1-git-send-email-fbarrat@linux.vnet.ibm.com>
On Wed, 2016-24-02 at 17:27:51 UTC, 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+
> Acked-by: Michael Neuling <mikey@neuling.org>
> Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
> Acked-by: Ian Munsie <imunsie@au1.ibm.com>
> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
> Reviewed-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/923adb1646d5ba739d2a1e63ee
cheers
prev parent reply other threads:[~2016-02-29 11:01 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
2016-02-25 1:19 ` Vaibhav Jain
2016-02-29 11:01 ` Michael Ellerman [this message]
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