• Tomasz Nowicki's avatar
    acpi, apei, ghes: Make NMI error notification to be GHES architecture extension. · 44a69f61
    Tomasz Nowicki authored
    Currently APEI depends on x86 architecture. It is because of NMI hardware
    error notification of GHES which is currently supported by x86 only.
    However, many other APEI features can be still used perfectly by other
    architectures.
    
    This commit adds two symbols:
    1. HAVE_ACPI_APEI for those archs which support APEI.
    2. HAVE_ACPI_APEI_NMI which is used for NMI code isolation in ghes.c
       file. NMI related data and functions are grouped so they can be wrapped
       inside one #ifdef section. Appropriate function stubs are provided for
       !NMI case.
    
    Note there is no functional changes for x86 due to hard selected
    HAVE_ACPI_APEI and HAVE_ACPI_APEI_NMI symbols.
    Signed-off-by: default avatarTomasz Nowicki <tomasz.nowicki@linaro.org>
    Acked-by: default avatarBorislav Petkov <bp@suse.de>
    Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
    44a69f61
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