| Message ID | 20201014175342.152712-1-jandryuk@gmail.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Remove Xen PVH dependency on PCI | expand |
On 14/10/2020 18:53, Jason Andryuk wrote: > A Xen PVH domain doesn't have a PCI bus or devices, [*] Yet. > so it doesn't need PCI support built in. Untangling the dependences is a good thing, but eventually we plan to put an optional PCI bus back in, e.g. for SRIOV usecases. ~Andrew
On Wed, Oct 14, 2020 at 2:04 PM Andrew Cooper <andrew.cooper3@citrix.com> wrote: > > On 14/10/2020 18:53, Jason Andryuk wrote: > > A Xen PVH domain doesn't have a PCI bus or devices, > > [*] Yet. :) > > so it doesn't need PCI support built in. > > Untangling the dependences is a good thing, but eventually we plan to > put an optional PCI bus back in, e.g. for SRIOV usecases. Yes, and to be clear this change doesn't preclude including the PCI code. I was just looking to remove code from my VMs that aren't using PCI devices. Regards, Jason
On 14.10.20 19:53, Jason Andryuk wrote: > A Xen PVH domain doesn't have a PCI bus or devices, so it doesn't need > PCI support built in. Currently, XEN_PVH depends on XEN_PVHVM which > depends on PCI. > > The first patch introduces XEN_PVHVM_GUEST as a toplevel item and > changes XEN_PVHVM to a hidden variable. This allows XEN_PVH to depend > on XEN_PVHVM without PCI while XEN_PVHVM_GUEST depends on PCI. > > The second patch moves XEN_512GB to clean up the option nesting. > > Jason Andryuk (2): > xen: Remove Xen PVH/PVHVM dependency on PCI > xen: Kconfig: nest Xen guest options > > arch/x86/xen/Kconfig | 38 ++++++++++++++++++++++---------------- > drivers/xen/Makefile | 2 +- > 2 files changed, 23 insertions(+), 17 deletions(-) > Series applied to: xen/tip.git for-linus-5.11 Juergen