Re: [Xen-devel] [PATCH VTPM 1/9] Disable -DGNT_DEBUG and -DGNTMAP_DEBUG

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

Fioravante, Matthew E., le Fri 02 Nov 2012 09:19:34 -0400, a écrit :
> It happens in my vtpm domains because the drivers often create and release 
> grant references. This patch isn't completely necessary. Do we want to have 
> these debug prints in the default build?

Well, surely -DGNT_DEBUG doesn't produce any output :) We could however
drop it, since it only adds overhead to check something that is supposed
to be already working (and which is quite well tested nowadays).

About -DGNTMAP_DEBUG, which message are you getting printed a lot? Are
you running out of references in gntmap_find_free_entry, or using
gntmap_map_grant_refs a lot?

Samuel

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