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    SubjectRe: [PATCH v2 0/5] APEI: Make APEI architecture independent.
    Hi,

    I would like to kindly remind and request for comments on this patches.

    Regards,
    Tomasz

    On 28.05.2014 09:39, Tomasz Nowicki wrote:
    > APEI is currently implemented so that it depends on x86 hardware.
    > The primary dependency is that GHES uses the x86 NMI for hardware
    > error notification and MCE for memory error handling. These patches
    > remove that dependency.
    >
    > Other APEI features such as error reporting via external IRQ, error
    > serialization, or error injection, do not require changes to use them
    > on non-x86 architectures.
    >
    > The following patch set eliminates the APEI Kconfig x86 dependency
    > by making these changes:
    > - treat NMI notification as GHES feature - CONFIG_ACPI_APEI_NMI
    > - reorganize GHES notification type init/deinitialization
    > so that we can decide in run time whether NMI is supported or not
    > - identify architectural boxes and abstract it accordingly (NMI and MCE)
    > - rework ioremap for both IRQ and NMI context
    >
    > NMI code is kept in ghes.c file since NMI and IRQ context are tightly coupled.
    >
    > Note, these patches introduce no functional changes for x86. The NMI notification
    > feature is selected for x86 by default. Architectures that want to use this
    > feature should also provide NMI code infrastructure.
    >
    > V1->V2
    > - address Borislav comment
    > - abstract arch-specific calls instead of wrapping into the #ifdef
    >
    > Tomasz Nowicki (5):
    > apei, mce: Factor out APEI architecture specific MCE calls.
    > acpi, apei, ghes: Introduce ACPI_APEI_NMI to make NMI error
    > notification a GHES feature.
    > acpi, apei, ghes: Introduce more generic mechanism to init/deinit
    > GHES error notifications.
    > apei, ghes, nmi: Factor out NMI arch-specific calls.
    > acpi, apei, ghes: Factor out ioremap virtual memory for IRQ and NMI
    > context.
    >
    > arch/x86/kernel/acpi/Makefile | 1 +
    > arch/x86/kernel/acpi/apei.c | 87 ++++++++++++
    > drivers/acpi/apei/Kconfig | 10 +-
    > drivers/acpi/apei/apei-base.c | 32 +++++
    > drivers/acpi/apei/ghes.c | 301 +++++++++++++++++++++++++----------------
    > drivers/acpi/apei/hest.c | 26 +---
    > include/acpi/apei.h | 11 ++
    > 7 files changed, 328 insertions(+), 140 deletions(-)
    > create mode 100644 arch/x86/kernel/acpi/apei.c
    >


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