On Mon, Feb 20, 2017 at 09:12:58AM +0800, Huang, Ying wrote: > From: Huang Ying <[email protected]> > > It was reported that on some machines, there is overlap between ACPI > NVS area and BERT address range. This appears reasonable because BERT > contents need to be non-volatile across reboot. But this will cause > resources conflict in current Linux kernel implementation because the > ACPI NVS area is marked as busy. The resource conflict is fixed via > excluding the ACPI NVS area when requesting IO resources for BERT. > When accessing the BERT contents, the whole BERT address range will be > ioremapped and accessed. > > Reported-and-tested-by: Hans Kristian Rosbach <[email protected]> > Signed-off-by: "Huang, Ying" <[email protected]> > --- > drivers/acpi/apei/bert.c | 20 ++++++++++++-------- > 1 file changed, 12 insertions(+), 8 deletions(-)
Acked-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
