[Skiboot] [PATCH] FSP: Handle DPO initiated CEC shutdown with FSP in RR
stewart at linux.vnet.ibm.com
Thu Nov 12 16:33:22 AEDT 2015
Ananth N Mavinakayanahalli <ananth at in.ibm.com> writes:
> On Wed, Nov 11, 2015 at 11:59:57PM +1100, Stewart Smith wrote:
>> Ananth N Mavinakayanahalli <ananth at in.ibm.com> writes:
>> > In a scenario where the DPO has been initiated, but the FSP then went into
>> > reset before the CEC power down came in, OPAL may not give up the link since
>> > it may never see the PSI interrupt. So, if we are in dpo_pending and an FSP
>> > reset is detected via the DISR, give up the PSI link voluntarily.
>> > Tested-by: Vipin K Parashar <vipin at linux.vnet.ibm.com>
>> > Signed-off-by: Ananth N Mavinakayanahalli <ananth at in.ibm.com>
>> Should this also go to stable ?
> While this is a very hard to trigger corner case, yes, it still makes
> sense to have the fix in stable.
Thanks, merged into stable as of 42d5d04758b4 and master as of f8e7d23dca79.
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