On Wed, Jul 18, 2012 at 7:18 PM, Vivek Goyal <vgoyal at redhat.com> wrote: > Currently I am not exporting log "level" info as that is a bitfield and > offsetof() bitfields can't be calculated. We could make the level the lower 3 bits of the byte, export the byte, and define that only 3 bits of the byte are valid? Would that help? > kernel/printk.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > + /* > + * Export struct log size and field offsets. User space tools can > + * parse it and detect any changes to structure down the line. > + */ > + VMCOREINFO_STRUCT_SIZE(log); > + VMCOREINFO_OFFSET(log, ts_nsec); > + VMCOREINFO_OFFSET(log, len); > + VMCOREINFO_OFFSET(log, text_len); > + VMCOREINFO_OFFSET(log, dict_len); Ah, nice, that's how you handle exporting structures, it was still on my list, to find out how all that should look like. Cc:ing Greg, to pick it up. Thanks a lot for taking care of it, Kay
