[PATCH 0/8] dyndbg: WIP diet plan

Greg KH greg at kroah.com
Thu Aug 6 06:39:51 EDT 2020


On Wed, Aug 05, 2020 at 12:30:15PM -0600, Jim Cromie wrote:
> dynamic-debug metadata is bloated; the __dyndbg linker section is
> effectively an array of struct _ddebugs, its 1st 3 members are highly
> repetetive, with 90%, 84%, 45% repeats.  Total reported usage ~150kb
> for ~2600 callsites on my laptop config.
> 
> This patchset is one diet plan. it all holds together nicely until the
> "cache" commit, when it blows up starting init (or right after freeing
> unused kernel image, which Im hoping to do...).  The following commit
> tweaks locking in an attempt to recover, but fails.

<snip>

Any reason this went to kernelnewbies, and not lkml so that other
developers could see it?

thanks,

greg k-h



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