On Mon, Sep 21, 2015 at 01:02:48PM +1000, Daniel Axtens wrote:
> Hi,
>
> This relates to 55672ecfa21f ("powerpc/book3s: Recover from MC in
> sapphire on SCOM read via MMIO.").
>
> According to that patch, some SCOM reads via MMIO could lead to a
> Machine Check Error in skiboot. That patch provided kernel support for a
> skiboot interface to recover from those MCEs.
>
> That patch went into the kernel in Dec 2013. However, modern skiboot
> does not expose the device tree property needed to use this mechanism.
> As far as I can tell, nothing ever went into Skiboot for this purpose.
>
> Is this something we plan to use in the future? Or is it now redundant?
>
> --
> Regards,
> Daniel
>
> _______________________________________________
> Skiboot mailing list
> [email protected]
> https://lists.ozlabs.org/listinfo/skibootXSCOM does not cause a machine check. Centaur Inband SCOM does cause a machine check. Was this maybe put in place in anticipation of supporting Inband SCOM? Does skiboot support Inband SCOM now? -- Patrick Williams
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