Since commit 681a67288655 ("usertools: check if module is loaded
before binding") in dpdk, usertools/dpdk-devbind.py only checks
dynamic kernel drivers in /sys/module. So built-in kernel driver
cannot be bound.Add "usertools-devbind-fix-binding-for-built-in-kernel-dr.patch" to fix this issue. Signed-off-by: Yongxin Liu <[email protected]> --- ...evbind-fix-binding-for-built-in-kernel-dr.patch | 54 ++++++++++++++++++++++ recipes-extended/dpdk/dpdk_19.11.5.bb | 3 +- 2 files changed, 56 insertions(+), 1 deletion(-) create mode 100644 recipes-extended/dpdk/dpdk/usertools-devbind-fix-binding-for-built-in-kernel-dr.patch diff --git a/recipes-extended/dpdk/dpdk/usertools-devbind-fix-binding-for-built-in-kernel-dr.patch b/recipes-extended/dpdk/dpdk/usertools-devbind-fix-binding-for-built-in-kernel-dr.patch new file mode 100644 index 0000000..7eb28f8 --- /dev/null +++ b/recipes-extended/dpdk/dpdk/usertools-devbind-fix-binding-for-built-in-kernel-dr.patch @@ -0,0 +1,54 @@ +From b2a1d7a4661dc78a4c070de5542bf2c201762cb2 Mon Sep 17 00:00:00 2001 +From: Yongxin Liu <[email protected]> +Date: Mon, 23 Nov 2020 11:02:52 +0800 +Subject: [PATCH] usertools/devbind: fix binding for built-in kernel drivers + +A driver can be loaded as a dynamic module or a built-in module. +In commit 681a67288655 ("usertools: check if module is loaded +before binding"), script only checks modules in /sys/module/. + +However, for built-in kernel driver, it only shows up in /sys/module/, +if it has a version or at least one parameter. So add check for +modules in /lib/modules/$(uname -r)/modules.builtin. + +Upstream-Status: Submitted [https://patches.dpdk.org/patch/84454] + +Signed-off-by: Yongxin Liu <[email protected]> +--- + usertools/dpdk-devbind.py | 13 ++++++++++++- + 1 file changed, 12 insertions(+), 1 deletion(-) + +diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py +index b1d149876..89a0ab1c9 100755 +--- a/usertools/dpdk-devbind.py ++++ b/usertools/dpdk-devbind.py +@@ -8,6 +8,7 @@ + import os + import getopt + import subprocess ++import platform + from os.path import exists, abspath, dirname, basename + + # The PCI base class for all devices +@@ -172,7 +173,17 @@ def module_is_loaded(module): + + loaded_modules = sysfs_mods + +- return module in sysfs_mods ++ # add built-in modules as loaded ++ release = platform.uname().release ++ filename = os.path.join("/lib/modules/", release, "modules.builtin") ++ if os.path.exists(filename): ++ try: ++ with open(filename) as f: ++ loaded_modules += [os.path.splitext(os.path.basename(mod))[0] for mod in f] ++ except IOError: ++ print("Warning: cannot read list of built-in kernel modules") ++ ++ return module in loaded_modules + + + def check_modules(): +-- +2.14.4 + diff --git a/recipes-extended/dpdk/dpdk_19.11.5.bb b/recipes-extended/dpdk/dpdk_19.11.5.bb index aedaa8a..60d5786 100644 --- a/recipes-extended/dpdk/dpdk_19.11.5.bb +++ b/recipes-extended/dpdk/dpdk_19.11.5.bb @@ -12,7 +12,8 @@ LIC_FILES_CHKSUM = "file://license/gpl-2.0.txt;md5=b234ee4d69f5fce4486a80fdaf4a4 file://license/lgpl-2.1.txt;md5=4b54a1fd55a448865a0b32d41598759d \ file://license/bsd-3-clause.txt;md5=0f00d99239d922ffd13cabef83b33444" -SRC_URI += "file://0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch" +SRC_URI += "file://0001-Starting-from-Linux-5.9-get_user_pages_remote-API-do.patch \ + file://usertools-devbind-fix-binding-for-built-in-kernel-dr.patch" do_install_append () { # Remove the unneeded dir -- 2.14.4
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