netdev - Re: [PATCH net 2/3] ibmvnic: Process crqs after enabling interrupts

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Message-ID: <e4d7bd9bdeab64959c25635e16d0bc09@imap.linux.ibm.com>
Date:   Fri, 29 Oct 2021 15:23:52 -0700
From:   Dany Madden <drt@...ux.ibm.com>
To:     Sukadev Bhattiprolu <sukadev@...ux.ibm.com>
Cc:     netdev@...r.kernel.org, Brian King <brking@...ux.ibm.com>,
        abdhalee@...ibm.com, vaish123@...ibm.com
Subject: Re: [PATCH net 2/3] ibmvnic: Process crqs after enabling interrupts

On 2021-10-29 15:03, Sukadev Bhattiprolu wrote:
> Soon after registering a CRQ it is possible that we get a fail over or
> maybe a CRQ_INIT from the VIOS while interrupts were disabled.
> 
> Look for any such CRQs after enabling interrupts.
> 
> Otherwise we can intermittently fail to bring up ibmvnic adapters 
> during
> boot, specially in kexec/kdump kernels.
> 
> Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol")
> Reported-by: Vaishnavi Bhat <vaish123@...ibm.com>
> Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.ibm.com>

Reviewed-by: Dany Madden <drt@...ux.ibm.com>