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Re: [Xen-devel] [PATCH 28/28] Separate runtime debug output from debug symbols

On 02/10/14 11:27, Jan Beulich wrote:
>>>> On 02.10.14 at 11:52, <tim@xxxxxxx> wrote:
>> I think Andrew is talking about the symbol table rather than the debug
>> info - xen's backtrace walker doesn't speak DWARF.  AFAICT the symbol
>> tables generated without '-g' are just fine for xen's own use printing
>> backtraces &c,
> Right.
>> though possibly post-mortem tools for crash analysis
>> might need more?
> Perhaps. In which case people interested in this can enable
> debug info generation (and iirc Olaf's patch also doesn't change
> any defaults here).
> Jan

After some investigation of my own, I have confirmed that neither
System.map nor xen.gz are altered.

I do find it somewhat silly to generate a xen-syms without debugging
symbols, but as that doesn't affect the eventual xen.gz, I am less
worried about it.

However, you may have noticed that there are actually two -g's on the
Xen build command line, the first of which is directly inherited
directly from the root Config.mk.

Therefore, I think you can just unilaterally drop the -g from xen/Rules.mk


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