On Wed, 2006-11-15 at 22:13 +0100, Jan Kiszka wrote:
> As xnheap_size() changed, a sanity check in xnheap_mmap fails now, at
> least for SVN head, maybe also 2.2.x.
> I would suggest the following patch to fix this, though I'm not 100%
> sure its correct in all cases
It's correct. xnheap_size() is sent back to user-space when creating the
queue, which forwards this in turn to the mmap handler.
> (do we ever come across a heap of multiple
> extents in xnheap_mmap?).
Yes we do, particularly for ppc which needs this for the system heap.
However, we should not allow mmaping multi-extent heaps. Merged fixes
and added sanity check to prevent the latter issue. Thanks.
> PS: I'll spent a beer (or two...) for the one who starts writing a
> testsuite for the native skin - in user-space, please, to catch also
> issues like this one.
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