Messages in this thread | | | Date | Mon, 20 Feb 2017 10:44:19 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH -v2] ACPI, APEI: Fix BERT resources conflict with ACPI NVS area |
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On Mon, Feb 20, 2017 at 09:12:58AM +0800, Huang, Ying wrote: > From: Huang Ying <ying.huang@intel.com> > > 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 <hansr@raskesider.no> > Signed-off-by: "Huang, Ying" <ying.huang@intel.com> > --- > drivers/acpi/apei/bert.c | 20 ++++++++++++-------- > 1 file changed, 12 insertions(+), 8 deletions(-)
Acked-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
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