Re: [PATCH] powerpc/eeh: Avoid misleading message "EEH: no capable adapters found"

[Russell Currey <ruscur@russell.cc>]

On Thu, 2018-03-22 at 23:10 -0300, Mauro S. M. Rodrigues wrote:
> Due to recent refactoring in EEH in:
> commit b9fde58db7e5 ("powerpc/powernv: Rework EEH initialization on
> powernv")
> a misleading message was seen in the kernel message buffer:
> 
> [    0.108431] EEH: PowerNV platform initialized
> [    0.589979] EEH: No capable adapters found
> 
> This happened due to the removal of the initialization delay for
> powernv
> platform.
> 
> Even though the EEH infrastructure for the devices is eventually
> initialized and still works just fine the eeh device probe step is
> postponed in order to assure the PEs are created. Later
> pnv_eeh_post_init does the probe devices job but at that point the
> message was already shown right after eeh_init flow.
> 
> This patch introduces a new flag EEH_POSTPONED_PROBE to represent
> that
> temporary state and avoid the message mentioned above and showing the
> follow one instead:
> 
> [    0.107724] EEH: PowerNV platform initialized
> [    4.844825] EEH: PCI Enhanced I/O Error Handling Enabled
> 
> Signed-off-by: Mauro S. M. Rodrigues <maurosr@linux.vnet.ibm.com>

Good idea, thanks for the patch.

Acked-by: Russell Currey <ruscur@russell.cc>