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  • ipipe-x86
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  • ipipe-x86
  • fs
  • pstore
  • ram.c
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  • Mark Salyzyn's avatar
    pstore: Add pmsg - user-space accessible pstore object · 9d5438f4
    Mark Salyzyn authored Jan 16, 2015
    
    
    A secured user-space accessible pstore object. Writes
    to /dev/pmsg0 are appended to the buffer, on reboot
    the persistent contents are available in
    /sys/fs/pstore/pmsg-ramoops-[ID].
    
    One possible use is syslogd, or other daemon, can
    write messages, then on reboot provides a means to
    triage user-space activities leading up to a panic
    as a companion to the pstore dmesg or console logs.
    Signed-off-by: default avatarMark Salyzyn <salyzyn@android.com>
    Acked-by: default avatarKees Cook <keescook@chromium.org>
    Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
    9d5438f4

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