RE: [RFC PATCH] cxl: avoid duplicating report from MCE & device

2024-06-26 Thread Luck, Tony
>> So recovery has some risk, but very little upside benefit. > > Since the hardware provides the instruction(CPU)/command(CXL) to clear > the poison, we could make the function work, at least as an optional > feature. Then users could decide to use it or not after evaluating the > risk and ben

RE: [RFC PATCH] cxl: avoid duplicating report from MCE & device

2024-06-21 Thread Luck, Tony
> So who actually cares about recovering poisoned volatile memory? > I'd like to understand more on how significant a use case this is. > Whilst I can conjecture that its an extreme case of wanting to avoid > loosing the ability to create 1GiB or larger pages due to poison > is that a real problem