On 2024-10-16 16:53, Stephen Hemminger wrote:
On Wed, 16 Oct 2024 15:19:10 +0200
Mattias Rönnblom <mattias.ronnb...@ericsson.com> wrote:
+
+/**
+ * Allocate space in the per-lcore id buffers for an lcore variable.
+ *
+ * The pointer returned is only an opaque identifier of the variable. To
+ * get an actual pointer to a particular instance of the variable use
+ * @ref RTE_LCORE_VAR or @ref RTE_LCORE_VAR_LCORE.
+ *
+ * The lcore variable values' memory is set to zero.
+ *
+ * The allocation is always successful, barring a fatal exhaustion of
+ * the per-lcore id buffer space.
+ *
+ * rte_lcore_var_alloc() is not multi-thread safe.
+ *
+ * The allocated memory cannot be freed.
+ *
+ * @param size
+ * The size (in bytes) of the variable's per-lcore id value. Must be > 0.
+ * @param align
+ * If 0, the values will be suitably aligned for any kind of type
+ * (i.e., alignof(max_align_t)). Otherwise, the values will be aligned
+ * on a multiple of *align*, which must be a power of 2 and equal or
+ * less than @c RTE_CACHE_LINE_SIZE.
+ * @return
+ * The variable's handle, stored in a void pointer value. The value
+ * is always non-NULL.
+ */
+__rte_experimental
+void *
+rte_lcore_var_alloc(size_t size, size_t align)
+ __rte_alloc_size(2);
This is not right, the index is which arg holds the size etc.
should be:
__rte_alloc_size(1) __rte_alloc_align(2) __rte_malloc;
Oops. Will fix in v15. Thanks.
