Re: [Xen-devel] [PATCH 0/4] enhance lock debugging

[Juergen Gross <jgross@xxxxxxxx>]

On 08.08.19 11:36, Juergen Gross wrote:
> On 08.08.19 10:33, Andrew Cooper wrote:
> > On 08/08/2019 05:50, Juergen Gross wrote:
> > > On 07.08.19 20:11, Andrew Cooper wrote:
> > > > For sanity sake, we should enforce unique naming of any lock
> > > > registered for
> > > > profiling.
> > > This would be every lock inited via DEFINE_SPINLOCK(). I can do a
> > > followup patch for that purpose.
> > I was wondering how to do this.  One option which comes to mind is to
> > put an non-static object into .discard.lock_profile or something, so the
> > linker will object to repeated symbol names and then throw all of them 
> > away.
> I could just drop the "static" in the _LOCK_PROFILE_PTR() macro.
Unfortunately this doesn't work for locks defined in a function body.


Juergen

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