Messages in this thread | | | Date | Wed, 18 Oct 2006 13:01:20 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] Re: UNWIND_INFO slowdown in -mm1 |
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* Andi Kleen <ak@suse.de> 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.
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