|WARNING| pw133872 [RFC] mempool: CPU cache aligning mempool driver accesses

[qemudev@loongson.cn]

Test-Label: loongarch-compilation
Test-Status: WARNING
http://dpdk.org/patch/133872

_apply patch failure_

Submitter: Morten Brørup <mb@smartsharesystems.com>
Date: Sat, 4 Nov 2023 18:29:40 +0100
DPDK git baseline: Repo:dpdk
  Branch: main
  CommitID: 34c0c38ab772e8eea5243f530866d5b68519e7c7

Apply patch set 133872 failed:

Checking patch lib/mempool/rte_mempool.c...
error: while searching for:
mempool_event_callback_invoke(enum rte_mempool_event event,
                             struct rte_mempool *mp);

#define CACHE_FLUSHTHRESH_MULTIPLIER 1.5
#define CALC_CACHE_FLUSHTHRESH(c)      \
       ((typeof(c))((c) * CACHE_FLUSHTHRESH_MULTIPLIER))


error: patch failed: lib/mempool/rte_mempool.c:48
error: lib/mempool/rte_mempool.c: patch does not apply
Checking patch lib/mempool/rte_mempool.h...
error: while searching for:
       RTE_MEMPOOL_CACHE_STAT_ADD(cache, put_objs, n);

       /* The request itself is too big for the cache */
       if (unlikely(n > cache->flushthresh))
               goto driver_enqueue_stats_incremented;

       /*
        * The cache follows the following algorithm:
        *   1. If the objects cannot be added to the cache without crossing
        *      the flush threshold, flush the cache to the backend.
        *   2. Add the objects to the cache.
        */

       if (cache->len + n <= cache->flushthresh) {
               cache_objs = &cache->objs[cache->len];
               cache->len += n;
       } else {
               cache_objs = &cache->objs[0];
               rte_mempool_ops_enqueue_bulk(mp, cache_objs, cache->len);
               cache->len = n;
       }

       /* Add the objects to the cache. */
       rte_memcpy(cache_objs, obj_table, sizeof(void *) * n);

error: patch failed: lib/mempool/rte_mempool.h:1373
error: lib/mempool/rte_mempool.h: patch does not apply
Checking patch lib/ring/rte_ring_elem_pvt.h...
error: while searching for:
       uint32_t *ring = (uint32_t *)&r[1];
       const uint32_t *obj = (const uint32_t *)obj_table;
       if (likely(idx + n <= size)) {
               for (i = 0; i < (n & ~0x7); i += 8, idx += 8) {
                       ring[idx] = obj[i];
                       ring[idx + 1] = obj[i + 1];

error: patch failed: lib/ring/rte_ring_elem_pvt.h:24
error: lib/ring/rte_ring_elem_pvt.h: patch does not apply