On Thu, Feb 15, 2024 at 02:51:06PM -0800, Boqun Feng wrote: > Currently ACPI_MEMORY_NVS is omitted from the linear map, which causes > a trouble with the following firmware memory region setup: > > [..] efi: 0x0000dfd62000-0x0000dfd83fff [ACPI Reclaim|...] > [..] efi: 0x0000dfd84000-0x0000dfd87fff [ACPI Mem NVS|...] > > , on ARM64 with 64k page size, the whole 0x0000dfd80000-0x0000dfd8ffff > range will be omitted from the the linear map due to 64k round-up. And > a page fault happens when trying to access the ACPI_RECLAIM_MEMORY: > > [...] Unable to handle kernel paging request at virtual address ffff0000dfd80000 > > To fix this, add ACPI_MEMORY_NVS into the linear map. > > Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx # 5.15+ What commit id does this fix? Can you include that as well? thanks, greg k-h
