[dpdk-dev] [PATCH] net/i40e: fix unexpected mbuf free in vPMD
Roger B. Melton
rmelton at cisco.com
Tue Oct 10 13:05:33 CEST 2017
I can. It will take a day or 2 to get the results.
On 10/10/17 4:48 AM, Bruce Richardson wrote:
> +Roger Melton
> On Tue, Oct 10, 2017 at 09:22:05AM -0400, Qi Zhang wrote:
>> vPMD tx does not set sw_ring's mbuf to NULL after free it.
>> So to prevent same mbuf be free again, we need more carefully
>> check in i40e_tx_queue_release_mbufs.
>> Fixes: b4669bb95038 ("i40e: add vector Tx")
>> Cc: stable at dpdk.org
>> Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
>> - fix at i40e_tx_queue_release_mbufs so no performance impact.
> This patch also supercedes this one, http://dpdk.org/dev/patchwork/patch/29814/
> Roger, can you please confirm that this alternative fix works in your
> testing and that your patch is no longer necessary too.
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