On 10/22/21 2:58 PM, Nadav Amit wrote: >> [1/5] appears to be a significant fix which should probably be >> backported into -stable kernels. If you agree with this then I suggest >> it be prepared as a standalone patch, separate from the other four >> patches. With a cc:stable. > > There is no functionality bug in the kernel. The Knights Landing bug > was circumvented eventually by changing the swap entry structure so > the access/dirty bits would not overlap with the swap entry data. Yeah, it was a significant issue, but we fixed it in here: > commit 00839ee3b299303c6a5e26a0a2485427a3afcbbf > Author: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Date: Thu Jul 7 17:19:11 2016 -0700 > > x86/mm: Move swap offset/type up in PTE to work around erratum
