[PATCH v2 1/3] powerpc/pseries: Parse control memory access error

Ganesh ganeshgr at linux.ibm.com
Wed Aug 25 21:36:29 AEST 2021


On 8/25/21 2:54 AM, Segher Boessenkool wrote:
> On Tue, Aug 24, 2021 at 04:39:57PM +1000, Michael Ellerman wrote:
>>> +		case MC_ERROR_CTRL_MEM_ACCESS_PTABLE_WALK:
>>> +			mce_err.u.ra_error_type =
>>> +				MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN;
>> That name is ridiculously long, but I guess that's not your fault :)
>> We can fix it up in a later patch.
> It also has surprisingly little information content for the 47 chars
> length it has :-)  What does this even mean?!

It means control memory access error/real address error is detected during page
table walk.

>
> Segher
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