[Skiboot] [Skiboot-stable] [PATCH] phb4/5: Escalate page-level TCE kills
hegdevasant at linux.vnet.ibm.com
Fri Aug 27 16:50:24 AEST 2021
On 8/25/21 8:34 PM, Frederic Barrat wrote:
> An hw issue was found on P10 (HW560152) where a page-level TCE kill
> can be dropped if there are enough TCE kill requests already being
> processed. The net effect is that data integrity is not
> guaranteed. The circumvention is to stay away from page-level kills
> and escalate those to PE kills. Which hurts performance.
> It also affects P9.
Thanks! Merged to master as 2b0b6a1a.
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