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net/mlx4: Change QP allocation scheme
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Authored by decui_microsoft.com on Dec 20 2016, 1:49 PM.
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Details

Summary

The patch is ported from
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ddae0349fdb78bcc5e7219061847012aa1a29069

This is OK, because the driver in Linux side is dual-licensed (GPL & BSD)

Without the patch, when trying to enable SR-IOV for the Mellanox
ConnectX-3 VF with Hyper-V, I get the below error:

mlx4_en: mlx4_core0: Port 1: failed reserving qp for TX ring
mlx4_en: mlx4_core0: Port 1: Failed to allocate NIC resources

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Buildable 6330
Build 6569: arc lint + arc unit