Hello Gaeten, I have validated hotplug functionality using multi process hotplug application. Devices are being attached and detached at runtime properly.
Regards Sunil Kumar Kori >-----Original Message----- >From: Sunil Kumar Kori <sk...@marvell.com> >Sent: Friday, May 1, 2020 5:09 PM >To: step...@networkplumber.org; david.march...@redhat.com; Jerin Jacob >Kollanukkaran <jer...@marvell.com>; gr...@u256.net >Cc: dev@dpdk.org; Sunil Kumar Kori <sk...@marvell.com> >Subject: [PATCH v4 1/1] bus/pci: optimise scanning with whitelist/blacklist > >rte_bus_scan API scans all the available PCI devices irrespective of white >or black listing parameters then further devices are probed based on white >or black listing parameters. So unnecessary CPU cycles are wasted during >rte_pci_scan. > >For Octeontx2 platform with core frequency 2.4 Ghz, rte_bus_scan consumes >around 26ms to scan around 90 PCI devices but all may not be used by the >application. So for the application which uses 2 NICs, rte_bus_scan >consumes few microseconds and rest time is saved with this patch. > >Patch restricts devices to be scanned as per below mentioned conditions: > - All devices will be scanned if no parameters are passed. > - Only white listed devices will be scanned if white list is available. > - All devices, except black listed, will be scanned if black list is > available. > >Signed-off-by: Sunil Kumar Kori <sk...@marvell.com> >--- >v4: > - Review comments incorporated (Gaeten and David). > - Rebased on top of tree. >v3: > - Remove __rte_experimental from private function. > - Remove entry from map file too. >v2: > - Added function to validate ignorance of device based on PCI address. > - Marked device validation function as experimental. > > drivers/bus/pci/bsd/pci.c | 12 +++++++++++- > drivers/bus/pci/linux/pci.c | 3 +++ > drivers/bus/pci/pci_common.c | 33 ++++++++++++--------------------- > drivers/bus/pci/private.h | 11 +++++++++++ > 4 files changed, 37 insertions(+), 22 deletions(-) > [snip]
