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[AMD Official Use Only - Internal Distribution Only] In the original sequence, if the key bits are not set in the mca_status, the page retirement will not happen and the status register will be cleared. If there is a UMC UE, that register will be cleared erroneously 31 times. If MCA Status == 0 already from the beginning there is no reason to press forward with the rest of the checks and clear the register. From: Zhang, Hawking <Hawking.Zhang@xxxxxxx> [AMD Official Use Only - Internal Distribution Only] Hi John, Can you please explain more on the differences between (a). exit immediately when mca_status is 0 and (b). exit when some of critical field in mca_status is 0? Regards, From: Clements, John <John.Clements@xxxxxxx>
[AMD Official Use Only - Internal Distribution Only] check UMC status and exit prior to making and erroneus register access |
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