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Re: WAW and RAW warnings in kernel build



On Sunday 03 August 2003 11:53 pm, Richard Harke wrote:
> I was rebuilding the kernel for my new HP ZX2000
> and noticed several warnings for WAW and RAW
> violations. I didn't see what module(s). I was under the
> impression these would be fairly serious so I thought I
> better get some advice. If necessary, I'll re-run the build
> and save the messages for further analysis.
> kernel is: kernel-source-2.4.20_2.4.20-9_all.deb
> with patches: kernel-patch-2.4.20-ia64_021210.em20.1_all.deb
> (Instructions for patching were not entirely clear to me;
> so I ran the scripts in ia64/apply -- in order)

There are definitely some WAW and RAW warnings in the
standard build.  I'm not an ia64 assembly expert, so I don't
know whether they're meaningful or not.  They've been there
for years, so I've learned to ignore them.

> Also the build didn't seem to complete; message in
> arch/ia64/boot was nothing to do
> Well, I see this make only runs for the simulator and for
> generic.  During config I chose HPZX1
> Was this a mistake?

Choosing ZX1 should work in general, but I don't know the
details of the debian package.  The 2.4 kernels end up in the
top-level directory, not in arch/ia64/boot.

Bjorn



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