netdev - Re: [PATCH net] ibmvnic: Only do H

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Date:   Wed, 23 May 2018 14:54:44 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     nfont@...ux.vnet.ibm.com
Cc:     netdev@...r.kernel.org, jallen@...ux.vnet.ibm.com,
        tlfalcon@...ux.vnet.ibm.com
Subject: Re: [PATCH net] ibmvnic: Only do H_EOI for mobility events

From: Nathan Fontenot <nfont@...ux.vnet.ibm.com>
Date: Tue, 22 May 2018 11:21:10 -0500

> When enabling the sub-CRQ IRQ a previous update sent a H_EOI prior
> to the enablement to clear any pending interrupts that may be present
> across a partition migration. This fixed a firmware bug where a
> migration could erroneously indicate that a H_EOI was pending.
> 
> The H_EOI should only be sent when enabling during a mobility
> event though. Doing so at other time could wrong and can produce
> extra driver output when IRQs are enabled when doing TX completion.
> 
> Signed-off-by: Nathan Fontenot <nfont@...ux.vnet.ibm.com>

Applied, thanks.