netdev - Re: [Intel-wired-lan] [PATCH iwl-net V3, 2/2] i40e: Fully suspend and resume IO operations in EEH case

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Message-ID: <83bc01e5-12ab-4f0e-9e3e-323b0c147d63@intel.com>
Date: Tue, 14 May 2024 14:30:42 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Thinh Tran <thinhtr@...ux.ibm.com>, <netdev@...r.kernel.org>,
	<kuba@...nel.org>, <anthony.l.nguyen@...el.com>,
	<aleksandr.loktionov@...el.com>, <przemyslaw.kitszel@...el.com>,
	<horms@...nel.org>
CC: <edumazet@...gle.com>, <rob.thomas@....com>,
	<intel-wired-lan@...ts.osuosl.org>, <pabeni@...hat.com>,
	<davem@...emloft.net>
Subject: Re: [Intel-wired-lan] [PATCH iwl-net V3, 2/2] i40e: Fully suspend and
 resume IO operations in EEH case



On 5/14/2024 1:21 PM, Thinh Tran wrote:
> When EEH events occurs, the callback functions in the i40e, which are
> managed by the EEH driver, will completely suspend and resume all IO
> operations.
> 
> - In the PCI error detected callback, replaced i40e_prep_for_reset()
>   with i40e_io_suspend(). The change is to fully suspend all I/O
>   operations
> - In the PCI error slot reset callback, replaced pci_enable_device_mem()
>   with pci_enable_device(). This change enables both I/O and memory of
>   the device.
> - In the PCI error resume callback, replaced i40e_handle_reset_warning()
>   with i40e_io_resume(). This change allows the system to resume I/O
>   operations
> 
> Fixes: a5f3d2c17b07 ("powerpc/pseries/pci: Add MSI domains")
> Tested-by: Robert Thomas <rob.thomas@....com>
> Signed-off-by: Thinh Tran <thinhtr@...ux.ibm.com>
> ---

Thanks for moving this info to the commit message.

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>