From: Jim Harris Date: Tue, 13 Oct 2020 17:03:16 +0000 (-0700) Subject: bus/pci: copy new id for inserted device on Linux X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9d3ad80abd34f2420998d94606e208518d330bcc;p=dpdk.git bus/pci: copy new id for inserted device on Linux When a device is inserted into an existing BDF slot that has not been probed, we must overwrite the old PCI ID with the ID of the new function. Otherwise we may not probe the function with the correct driver, if at all. Signed-off-by: Jim Harris --- diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c index bf275947f4..619d209ad2 100644 --- a/drivers/bus/pci/linux/pci.c +++ b/drivers/bus/pci/linux/pci.c @@ -352,6 +352,7 @@ pci_scan_one(const char *dirname, const struct rte_pci_addr *addr) if (!rte_dev_is_probed(&dev2->device)) { dev2->kdrv = dev->kdrv; dev2->max_vfs = dev->max_vfs; + dev2->id = dev->id; pci_name_set(dev2); memmove(dev2->mem_resource, dev->mem_resource, @@ -365,7 +366,8 @@ pci_scan_one(const char *dirname, const struct rte_pci_addr *addr) * need to do anything here unless... **/ if (dev2->kdrv != dev->kdrv || - dev2->max_vfs != dev->max_vfs) + dev2->max_vfs != dev->max_vfs || + memcmp(&dev2->id, &dev->id, sizeof(dev2->id))) /* * This should not happens. * But it is still possible if