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- Log ----------------------------------------------------------------- commit a70fa333ebb25a8331bd203440fbe81bf84946b1 Author: Bill Fischofer bill.fischofer@linaro.org Date: Wed Nov 30 17:08:48 2016 -0600

linux-generic: pool: reset origin_qe on buffer allocation

Resolve bug https://bugs.linaro.org/show_bug.cgi?id=2622 by re-initializing origin_qe to NULL when a buffer is allocated. This step was omitted in the switch to ring pool allocation introduced in commit ID c8cf1d87783d4b4c628f219803b78731b8d4ade4

Signed-off-by: Bill Fischofer bill.fischofer@linaro.org Reviewed-and-tested-by: Yi He yi.he@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org

diff --git a/platform/linux-generic/odp_pool.c b/platform/linux-generic/odp_pool.c index 4be3827..8c38c93 100644 --- a/platform/linux-generic/odp_pool.c +++ b/platform/linux-generic/odp_pool.c @@ -588,6 +588,7 @@ int buffer_alloc_multi(pool_t *pool, odp_buffer_t buf[], uint32_t mask, i; pool_cache_t *cache; uint32_t cache_num, num_ch, num_deq, burst; + odp_buffer_hdr_t *hdr;

ring = &pool->ring.hdr; mask = pool->ring_mask; @@ -608,8 +609,13 @@ int buffer_alloc_multi(pool_t *pool, odp_buffer_t buf[], }

/* Get buffers from the cache */ - for (i = 0; i < num_ch; i++) + for (i = 0; i < num_ch; i++) { buf[i] = cache->buf[cache_num - num_ch + i]; + hdr = buf_hdl_to_hdr(buf[i]); + hdr->origin_qe = NULL; + if (buf_hdr) + buf_hdr[i] = hdr; + }

/* If needed, get more from the global pool */ if (odp_unlikely(num_deq)) { @@ -629,9 +635,11 @@ int buffer_alloc_multi(pool_t *pool, odp_buffer_t buf[], uint32_t idx = num_ch + i;

buf[idx] = (odp_buffer_t)(uintptr_t)data[i]; + hdr = buf_hdl_to_hdr(buf[idx]); + hdr->origin_qe = NULL;

if (buf_hdr) { - buf_hdr[idx] = buf_hdl_to_hdr(buf[idx]); + buf_hdr[idx] = hdr; /* Prefetch newly allocated and soon to be used * buffer headers. */ odp_prefetch(buf_hdr[idx]); @@ -648,11 +656,6 @@ int buffer_alloc_multi(pool_t *pool, odp_buffer_t buf[], cache->num = cache_num - num_ch; }

- if (buf_hdr) { - for (i = 0; i < num_ch; i++) - buf_hdr[i] = buf_hdl_to_hdr(buf[i]); - } - return num_ch + num_deq; }

-----------------------------------------------------------------------

Summary of changes: platform/linux-generic/odp_pool.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-)

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