On Wed, Oct 01, 2014 at 12:03:30PM -0700, Alex Wang wrote:
> Currently, the cmap_destroy() directly frees the cmap memory.
> Some callers of cmap_destroy() (e.g. destroy_subtable()) still
> allows other threads (e.g. pmd threads) accessing the cmap at
> the same time (e.g. via classifier_lookup_miniflow_batch()),
> which could cause segfault.
> 
> To fix the above issue, this commit use ovsrcu to postpone
> the free of cmap memory.
> 
> Reported-by: Ethan Jackson <et...@nicira.com>
> Signed-off-by: Alex Wang <al...@nicira.com>

Acked-by: Ben Pfaff <b...@nicira.com>
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