+Julia who implemented https://patchwork.kernel.org/patch/11388881/
> On Apr 18, 2020, at 3:26 AM, Laine Stump <la...@redhat.com> wrote: > > On 4/17/20 12:35 PM, Ani Sinha wrote: >> +Laine >>> On Apr 17, 2020, at 9:39 PM, Michael S. Tsirkin <m...@redhat.com> wrote: >>> >>> Problem is, I think this is not something we can support with pcie or shpc. >>> I'm reluctant to add features that only ACPI can support, >>> we are trying to phase that out. >> Hmm. I see. We use conventional PCI and hence was looking for providing this >> feature for conventional PCI only. Laine might be able to throw some lights >> as to feasibility of the in PCIE world. > > Sorry, my knowledge doesn't go that low. If there's a qemu option I can > expose it in libvirt, but am by no means an expert of qemu internals or the > pci/pcie specs :-) > > (BTW, I think in the past people have prevented enabling hot-unplug by > unprivileged users in Windows with some sort of a "system policy" in Windows. > (whatever that is - I don't use Windows, and have just heard this from others > when discussing the problem). > My question to Julia is whether it is possible to disable just hot unplug but keep hot plugging for PCIE devices enabled using PCI_EXP_SLTCAP_HPC or otherwise in Qemu?