From: Michal Krawczyk Date: Tue, 23 Nov 2021 07:23:21 +0000 (+0100) Subject: doc: remove custom kernel patch link in ena guide X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=036ecae0efc7697e185574a88536a7bbda76ac9d doc: remove custom kernel patch link in ena guide ENAv2 device requires write combining support which isn't supported by the upstream vfio-pci. amzn-driver repository provided non-upstream patch to enable this feature and it was linked directly by the ENA PMD guide. To avoid custom kernel patch linking, the user is now guided to the AWS ENA PMD documentation, which describes vfio-pci and ENAv2 issue more deeply with possible workarounds on how to resolve it. Signed-off-by: Michal Krawczyk Acked-by: Ferruh Yigit --- diff --git a/doc/guides/nics/ena.rst b/doc/guides/nics/ena.rst index 92b1858e7a..85c790e80f 100644 --- a/doc/guides/nics/ena.rst +++ b/doc/guides/nics/ena.rst @@ -158,9 +158,8 @@ Prerequisites In DPDK ``igb_uio`` it must be enabled by loading module with ``wc_activate=1`` flag (example below). However, mainline's vfio-pci driver in kernel doesn't have WC support yet (planed to be added). - If vfio-pci used user should be either turn off ENAv2 (to avoid performance - impact) or recompile vfio-pci driver with patch provided in - `amzn-github `_. + If vfio-pci is used user should follow `AWS ENA PMD documentation + `_. #. Insert ``vfio-pci`` or ``igb_uio`` kernel module using the command ``modprobe vfio-pci`` or ``modprobe uio; insmod igb_uio.ko wc_activate=1``