On Fri, 22 Jul 2022 15:56:32 -0700 Ralph Campbell <rcampbell@xxxxxxxxxx> wrote: > If hmm_range_fault() is called with the HMM_PFN_REQ_FAULT flag and a > device private PTE is found, the hmm_range::dev_private_owner page is > used to determine if the device private page should not be faulted in. > However, if the device private page is not owned by the caller, > hmm_range_fault() returns an error instead of calling migrate_to_ram() > to fault in the page. Could we please include here a description of the end-user visible effects of the bug? > Cc: stable@xxxxxxxxxxxxxxx Especially when proposing a -stable backport.
