From: Manoj Kumar <manoj@linux.vnet.ibm.com>
To: Frederic Barrat <fbarrat@linux.vnet.ibm.com>,
imunsie@au1.ibm.com, mikey@neuling.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] cxl: Increase timeout for detection of AFU mmio hang
Date: Wed, 20 Apr 2016 12:39:39 -0500 [thread overview]
Message-ID: <5717BEDB.5090903@linux.vnet.ibm.com> (raw)
In-Reply-To: <1461083664-12283-1-git-send-email-fbarrat@linux.vnet.ibm.com>
Tested-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
On 4/19/2016 11:34 AM, Frederic Barrat wrote:
> PSL designers recommend a larger value for the mmio hang pulse, 256 us
> instead of 1 us. The CAIA architecture states that it needs to be
> smaller than 1/2 of the RTOS timeout set in the PHB for outbound
> non-posted transactions, which is still (easily) the case here.
>
> Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
> ---
> Needs to be applied on top of http://patchwork.ozlabs.org/patch/604029/
next prev parent reply other threads:[~2016-04-20 17:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-19 16:34 [PATCH] cxl: Increase timeout for detection of AFU mmio hang Frederic Barrat
2016-04-20 1:34 ` Ian Munsie
2016-04-20 17:18 ` Frederic Barrat
2016-04-20 17:39 ` Manoj Kumar [this message]
2016-04-22 12:12 ` Michael Ellerman
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