* Andi Kleen <[email protected]> wrote:
> > Below patch should help, can you try it out? Short of the linker
> > supporting building a binary lookup table at build time, it creates
> > one as soon as the bootmem allocator is usable (so you'll continue
> > using the linear lookup for the first [hopefully] few calls). The
> > code should be ready to utilize a build-time created table once a
> > fixed linker becomes available.
>
> I added the patch now, thanks.
>
> Not sure this is still .19 material though or better delayed for .20.
> What do you think?
it's a performance regression that results in 3x boot time slowdown.
Ingo
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