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    SubjectRe: [PATCH] RTC: Add mmap method to rtc character driver
    Neil Horman wrote:
    >>
    > Yes, but if its in trade for something thats being used currently which hurts
    > more (case in point being the X server), using this solution is a net gain.
    >
    > I'm not arguing with you that adding a low res gettimeofday vsyscall is a better
    > long term solution, but doing that requires potentially several implementations
    > in the C library accross a range of architectures, some of which may not be able
    > to provide a time solution any better than what the gettimeofday syscall
    > provides today. The /dev/rtc solution is easy, available right now, and applies
    > to all arches. It has zero impact for systems which do not use it, and for
    > those applications which make a decision to use it instead of an alternate
    > method, the result I expect will be a net gain, until such time as we code up,
    > test and roll out a vsyscall solution
    >

    Quick hacks are frowned upon in the Linux universe. The kernel-user
    space interface is supposed to be stable, and thus a hack like this has
    to be maintained indefinitely.

    Putting temporary hacks like this in is not a good idea.

    -hpa
    -
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