diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-07-17 10:56:56 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-07-24 11:10:46 -0700 |
| commit | 8b5a19b4ff6a2096225d88cf24cfeef03edc1bed (patch) | |
| tree | 652b9d5bcfacfcde6e14381a7f6fac8430f0ac13 /drivers/pci/controller/pci-hyperv.c | |
| parent | 94619ea2d933a2efeea5af63ec909bf2f1519a0e (diff) | |
| parent | 407c114c983f6eb87161853f0fdbe4a08e394b92 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc8).
Conflicts:
drivers/net/ethernet/microsoft/mana/gdma_main.c
9669ddda18fb ("net: mana: Fix warnings for missing export.h header inclusion")
755391121038 ("net: mana: Allocate MSI-X vectors dynamically")
https://lore.kernel.org/20250711130752.23023d98@canb.auug.org.au
Adjacent changes:
drivers/net/ethernet/ti/icssg/icssg_prueth.h
6e86fb73de0f ("net: ti: icssg-prueth: Fix buffer allocation for ICSSG")
ffe8a4909176 ("net: ti: icssg-prueth: Read firmware-names from device tree")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/pci/controller/pci-hyperv.c')
| -rw-r--r-- | drivers/pci/controller/pci-hyperv.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index ebe39218479a..d2b7e8ea710b 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -599,7 +599,7 @@ static unsigned int hv_msi_get_int_vector(struct irq_data *data) #define hv_msi_prepare pci_msi_prepare /** - * hv_arch_irq_unmask() - "Unmask" the IRQ by setting its current + * hv_irq_retarget_interrupt() - "Unmask" the IRQ by setting its current * affinity. * @data: Describes the IRQ * @@ -608,7 +608,7 @@ static unsigned int hv_msi_get_int_vector(struct irq_data *data) * is built out of this PCI bus's instance GUID and the function * number of the device. */ -static void hv_arch_irq_unmask(struct irq_data *data) +static void hv_irq_retarget_interrupt(struct irq_data *data) { struct msi_desc *msi_desc = irq_data_get_msi_desc(data); struct hv_retarget_device_interrupt *params; @@ -713,6 +713,20 @@ out: dev_err(&hbus->hdev->device, "%s() failed: %#llx", __func__, res); } + +static void hv_arch_irq_unmask(struct irq_data *data) +{ + if (hv_root_partition()) + /* + * In case of the nested root partition, the nested hypervisor + * is taking care of interrupt remapping and thus the + * MAP_DEVICE_INTERRUPT hypercall is required instead of + * RETARGET_INTERRUPT. + */ + (void)hv_map_msi_interrupt(data, NULL); + else + hv_irq_retarget_interrupt(data); +} #elif defined(CONFIG_ARM64) /* * SPI vectors to use for vPCI; arch SPIs range is [32, 1019], but leaving a bit @@ -4200,6 +4214,9 @@ 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; |