On Tue, Mar 21, 2017 at 04:47:00PM -0600, Tyler Baicar wrote: > ARM APEI extension proposal added SEA (Synchronous External Abort) > notification type for ARMv8. > Add a new GHES error source handling function for SEA. If an error > source's notification type is SEA, then this function can be registered > into the SEA exception handler. That way GHES will parse and report > SEA exceptions when they occur. > An SEA can interrupt code that had interrupts masked and is treated as > an NMI. To aid this the page of address space for mapping APEI buffers > while in_nmi() is always reserved, and ghes_ioremap_pfn_nmi() is > changed to use the helper methods to find the prot_t to map with in > the same way as ghes_ioremap_pfn_irq(). > > Signed-off-by: Tyler Baicar <tbaicar@xxxxxxxxxxxxxx> > CC: Jonathan (Zhixiong) Zhang <zjzhang@xxxxxxxxxxxxxx> > Reviewed-by: James Morse <james.morse@xxxxxxx> > --- > arch/arm64/Kconfig | 2 ++ > arch/arm64/mm/fault.c | 13 +++++++++ > drivers/acpi/apei/Kconfig | 15 ++++++++++ > drivers/acpi/apei/ghes.c | 70 +++++++++++++++++++++++++++++++++++++++++++---- > include/acpi/ghes.h | 7 +++++ > 5 files changed, 101 insertions(+), 6 deletions(-) For the arch/arm64 part in here: Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
