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IABSD.fr/src/sys

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  • Author : bluhm
    Date : 2024-11-08 17:34:22
    Hash : 8f8d81e9
    Message : Use a mutex to make psp(4) MP safe. To avoid a race between writing PSP command, sleeping, receiving interrupt, and calling wakeup(9), protect psp(4) driver with a mutex. With that interrupt handler is MP safe and ioctl(2) can release kernel lock. from hshoexer@; OK dlg@