Re: [RFC PATCH 1/4] powerpc 2.6.16-rt17: to build on powerpc w/ RT

From: john stultz
Date: Wed Aug 16 2006 - 19:59:10 EST


On Thu, 2006-08-17 at 01:38 +0200, Benjamin Herrenschmidt wrote:
> > You might take a peek at the patch set here:
> > http://sr71.net/~jstultz/tod/ for a somewhat rough powerpc conversion to
> > CONFIG_GENERIC_TIME.
>
> Afaik, as-is, this patch will remove updating of the various bits used
> by the vDSO for userland gettimeofday without actually removing the vdso
> itself. Thus, with a recent glibc, it will break gettimeofday,
> clock_gettime, .... Pretty bad :)

Hey Ben,
I appreciate your looking over my patch. You are correct, the
conversion is a bit rough and I've not yet been able to work on the
powerpc vDSO, although I'd like to get it working so any help or
suggestions would be appreciated (is there a reason the vDSO is written
in ASM?).

If you have any other concerns w/ that patch, or the generic timekeeping
code, please let me know and I'll do what I can to address them.

thanks
-john

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