On Fri, May 03, 2024 at 04:23:41PM -0500, Bjorn Helgaas wrote: > On Fri, May 03, 2024 at 09:23:20PM +0200, Nam Cao wrote: > > If there is no bus number available for the downstream bus of the > > hot-plugged bridge, pci_hp_add_bridge() will fail. The driver proceeds > > regardless, and the kernel crashes. > > > > Abort if pci_hp_add_bridge() fails. > > Thanks for this and for the details in the cover letter. The cover > letter doesn't get directly preserved and connected to the git commit, > so please include some of the details here in the commit log. > > I don't think we need *everything* from the cover letter; just enough > of the messages to show what went wrong and how the kernel crashed, so > somebody who trips over this can connect the crash with this fix. And > the timestamps are not relevant, so you can strip them out. The qemu > repro case is useful too, thanks for that! > > Same for the shpchp patch. > > And use "git log --oneline drivers/pci/hotplug/pciehp_pci.c" and match > the formatting (in particular, the capitalization) of your subject > lines. Thanks for the detailed instructions. I will send v2 next week. Best regards, Nam