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    SubjectRe: -rt doesn't compile for UML

    * Miklos Szeredi <miklos@szeredi.hu> wrote:

    > > so there's no forced need to use -rt.
    >
    > Ah, forgotten about that.
    >
    > Unfortunately the latency tracer patch doesn't compile either:
    >
    > CC kernel/latency_trace.o
    > kernel/latency_trace.c:28:21: error: asm/rtc.h: No such file or directory
    > kernel/latency_trace.c:63:3: error: #error Implement cycles_to_usecs.
    > kernel/latency_trace.c: In function ???____trace???:
    > kernel/latency_trace.c:658: error: implicit declaration of function ???irqs_disabled_flags???
    > make[1]: *** [kernel/latency_trace.o] Error 1

    hm, just fill those functions in - should be fairly trivial and we can
    carry those patches in -rt. (I'd suggest to create an empty asm-um/rtc.h
    stub as well, for consistency.)

    Ingo
    -
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