[Devel] [PATCH vz10 v2 3/3] configs: build the mlx4 driver, Ethernet and InfiniBand

Konstantin Khorenko khorenko at virtuozzo.com
Wed Sep 16 18:40:47 MSK 2026


RHEL 10 turned CONFIG_MLX4_CORE off on every architecture but aarch64,
so on x86_64 a ConnectX-3 card gets no driver at all, whatever the PCI
blacklist says. Enable the core, the Ethernet and the InfiniBand parts,
the last one to keep RDMA working on these cards.

ConnectX-2 stays unsupported: CONFIG_MLX4_CORE_GEN2 is left off and the
gen2 PCI IDs stay in the RHEL disabled list.

https://virtuozzo.atlassian.net/browse/VSTOR-145697
Feature: pci: bypass the RHEL disabled device blacklist
Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>
---
 redhat/configs/custom-overrides/generic/CONFIG_MLX4_CORE       | 1 +
 redhat/configs/custom-overrides/generic/CONFIG_MLX4_EN         | 1 +
 redhat/configs/custom-overrides/generic/CONFIG_MLX4_INFINIBAND | 1 +
 3 files changed, 3 insertions(+)

diff --git a/redhat/configs/custom-overrides/generic/CONFIG_MLX4_CORE b/redhat/configs/custom-overrides/generic/CONFIG_MLX4_CORE
new file mode 100644
index 0000000000000..1b4c55bdd30c6
--- /dev/null
+++ b/redhat/configs/custom-overrides/generic/CONFIG_MLX4_CORE
@@ -0,0 +1 @@
+CONFIG_MLX4_CORE=m
diff --git a/redhat/configs/custom-overrides/generic/CONFIG_MLX4_EN b/redhat/configs/custom-overrides/generic/CONFIG_MLX4_EN
new file mode 100644
index 0000000000000..0a147ed388218
--- /dev/null
+++ b/redhat/configs/custom-overrides/generic/CONFIG_MLX4_EN
@@ -0,0 +1 @@
+CONFIG_MLX4_EN=m
diff --git a/redhat/configs/custom-overrides/generic/CONFIG_MLX4_INFINIBAND b/redhat/configs/custom-overrides/generic/CONFIG_MLX4_INFINIBAND
new file mode 100644
index 0000000000000..4f7e86412b015
--- /dev/null
+++ b/redhat/configs/custom-overrides/generic/CONFIG_MLX4_INFINIBAND
@@ -0,0 +1 @@
+CONFIG_MLX4_INFINIBAND=m

-- 
2.43.0



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