RE: [PATCH] pci, Add AER_panic sysfs file

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> -----Original Message-----
> From: linux-pci-owner@xxxxxxxxxxxxxxx [mailto:linux-pci-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Prarit Bhargava
> Sent: Thursday, May 17, 2012 1:05 PM
> To: linux-pci@xxxxxxxxxxxxxxx
> Cc: Prarit Bhargava; Bjorn Helgaas
> Subject: [PATCH] pci, Add AER_panic sysfs file
> 
> Consider the following case
> 
> 		[ RP ]
> 		  |
> 		  |
> 	+---------+-----------+
> 	|	  |	      |
>        [H1]      [H2]        [X1]
> 
> where RP is a PCIE Root Port, H1 and H2 are devices with drivers that
> support
> PCIE AER driver error handling (ie, they have pci_error_handlers
> defined in
> the driver), and X1 is a device with a driver that does not support
> PCIE
> AER driver error handling.
> 
> If the Root Port takes an error what currently happens is that the
> bus resets and H1 & H2 call their slot_reset functions.  X1 does
> nothing.
> 
> In some cases a user may not wish the system to continue because X1 is
> an unhardened driver.  In these cases, the system should not do a bus
> reset,
> but rather the system should panic to avoid any further possible data
> corruption.

Do we neeed to panic for both correctable and uncorrectable errors.. ?

I thought correctable errors could recover without a bus reset.
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