Subject: Re: [PATCH-RESEND] cxl: Route eeh events to all drivers in cxl_pci_error_detected()

From: Michael Ellerman <[email-masked]>
Date: Thu, 4 May 2017 08:19:00 +1000 (AEST)

On Thu, 2017-04-27 at 05:28:22 UTC, Vaibhav Jain wrote:
> Fix a boundary condition where in some cases an eeh event that results
> in card reset isn't passed on to a driver attached to the virtual PCI
> device associated with a slice. This will happen in case when a slice
> attached device driver returns a value other than
> PCI_ERS_RESULT_NEED_RESET from the eeh error_detected() callback. This
> would result in an early return from cxl_pci_error_detected() and
> other drivers attached to other AFUs on the card wont be notified.
> 
> The patch fixes this by making sure that all slice attached
> device-drivers are notified and the return values from
> error_detected() callback are aggregated in a scheme where request for
> 'disconnect' trumps all and 'none' trumps 'need_reset'.
> 
> Cc: [email-masked]
> Fixes: 9e8df8a21963("cxl: EEH support")
> Based-on: https://patchwork.ozlabs.org/patch/755799/
> Signed-off-by: Vaibhav Jain <[email-masked]>
> Reviewed-by: Andrew Donnellan <[email-masked]>
> Acked-by: Frederic Barrat <[email-masked]>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/4f58f0bf155e87dda31a3088b1e107

cheers