diff options
Diffstat (limited to 'doc/guides/prog_guide/ivshmem_lib.rst')
| -rw-r--r-- | doc/guides/prog_guide/ivshmem_lib.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/guides/prog_guide/ivshmem_lib.rst b/doc/guides/prog_guide/ivshmem_lib.rst index 9401ccf2..b8a32e4c 100644 --- a/doc/guides/prog_guide/ivshmem_lib.rst +++ b/doc/guides/prog_guide/ivshmem_lib.rst @@ -79,6 +79,8 @@ The following is a simple guide to using the IVSHMEM Library API: Only data structures fully residing in DPDK hugepage memory work correctly. Supported data structures created by malloc(), mmap() or otherwise using non-DPDK memory cause undefined behavior and even a segmentation fault. + Specifically, because the memzone field in an rte_ring refers to a memzone structure residing in local memory, + accessing the memzone field in a shared rte_ring will cause an immediate segmentation fault. IVSHMEM Environment Configuration --------------------------------- |