diff options
| author | Mukesh Rathor <mrathor@linux.microsoft.com> | 2025-07-03 15:44:32 -0700 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2025-07-09 23:47:07 +0000 |
| commit | f84b21da3624d9c8514db409d254a22b84fac66a (patch) | |
| tree | 510e2a2b35801b8c0523679f76762de4407edfa6 | |
| parent | 9669ddda18fbe7f1e28cd0bfc1218e746fae6c50 (diff) | |
PCI: hv: Don't load the driver for baremetal root partition
The root partition only uses VMBus when running nested.
When running on baremetal the Hyper-V PCI driver is not needed,
so do not initialize it.
Signed-off-by: Mukesh Rathor <mrathor@linux.microsoft.com>
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Roman Kisel <romank@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/1751582677-30930-2-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1751582677-30930-2-git-send-email-nunodasneves@linux.microsoft.com>
| -rw-r--r-- | drivers/pci/controller/pci-hyperv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index ef5d655a0052..275b23af3de2 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -4144,6 +4144,9 @@ static int __init init_hv_pci_drv(void) if (!hv_is_hyperv_initialized()) return -ENODEV; + if (hv_root_partition() && !hv_nested) + return -ENODEV; + ret = hv_pci_irqchip_init(); if (ret) return ret; |