Re: [PATCH] PCI/ERR: use panic instead pci_info for device recovery failure in PCIe

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On Fri, 27 Dec 2024 12:22:53 +0530
Atharva Tiwari <evepolonium@xxxxxxxxx> wrote:

> update failed in drivers/pci/pcie/err.c to 
> trigger a kernel panic instead of pci_info
> 
> Thanks
Rewrite message as described in submitting patches documentation.

Key thing here is question of 'why?'
A question was in that comment, what is your reasoning for panic being the
correct choice?

Jonathan

> 
> Signed-off-by: Atharva Tiwari <evepolonium@xxxxxxxxx>
> ---
>  drivers/pci/pcie/err.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
> index 31090770fffc..2630b88564d8 100644
> --- a/drivers/pci/pcie/err.c
> +++ b/drivers/pci/pcie/err.c
> @@ -271,8 +271,8 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
>  
>  	pci_uevent_ers(bridge, PCI_ERS_RESULT_DISCONNECT);
>  
> -	/* TODO: Should kernel panic here? */
> -	pci_info(bridge, "device recovery failed\n");
> +
> +	panic("Kernel Panic: %s: Device recovery failed\n", pci_name(bridge));
>  
>  	return status;
>  }





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