Re: [PATCH v3 07/12] ACPI / APEI: Make the nmi_fixmap_idx per-ghes to allow multiple in_nmi() users

On Fri, Apr 27, 2018 at 04:35:05PM +0100, James Morse wrote: > Arm64 has multiple NMI-like notifications, but ghes.c only has one > in_nmi() path, risking deadlock if one NMI-like notification can > interrupt another. > > To support this we need a fixmap entry and lock for each notification >

Re: [PATCH v3 02/12] ACPI / APEI: Generalise the estatus queue's add/remove and notify code

On Fri, Apr 27, 2018 at 04:35:00PM +0100, James Morse wrote: > To support asynchronous NMI-like notifications on arm64 we need to use > the estatus-queue. These patches refactor it to allow multiple APEI > notification types to use it. > > Refactor the estatus queue's pool grow/shrink code and

Re: [PATCH v3 01/12] ACPI / APEI: Move the estatus queue code up, and under its own ifdef

On Fri, Apr 27, 2018 at 04:34:59PM +0100, James Morse wrote: > To support asynchronous NMI-like notifications on arm64 we need to use > the estatus-queue. These patches refactor it to allow multiple APEI > notification types to use it. > > First we move the estatus-queue code higher in the file