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    Subject[RFC 01/12] riscv: Introduce CONFIG_RISCV_PSEUDO_NMI
    Date
    This commit introduces a new config RISCV_PSEUDO_NMI to control
    whether enabling the pseudo NMI feature on RISC-V.

    Signed-off-by: Xu Lu <luxu.kernel@bytedance.com>
    ---
    arch/riscv/Kconfig | 10 ++++++++++
    1 file changed, 10 insertions(+)

    diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
    index d607ab0f7c6d..487e4293f31e 100644
    --- a/arch/riscv/Kconfig
    +++ b/arch/riscv/Kconfig
    @@ -669,6 +669,16 @@ config RISCV_BOOT_SPINWAIT

    If unsure what to do here, say N.

    +config RISCV_PSEUDO_NMI
    + bool "Support for NMI-like interrupts"
    + depends on !RISCV_M_MODE
    + default n
    + help
    + Adds support for mimicking Non-Maskable Interrupts through the use of
    + CSR_IE register.
    +
    + If unsure, say N.
    +
    config ARCH_SUPPORTS_KEXEC
    def_bool MMU

    --
    2.20.1
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