Huang, Kai wrote: > On Mon, 2025-03-03 at 23:14 -0800, Dan Williams wrote: > > In preparation for creating a new drivers/virt/coco/host/ directory to > > house shared host driver infrastructure for confidential computing, move > > configfs-tsm to a guest/ sub-directory. The tsm.ko module is renamed to > > tsm_reports.ko. The old tsm.ko module was only ever demand loaded by > > kernel internal dependencies, so it should not affect existing userspace > > module install scripts. > > > > The new drivers/virt/coco/guest/ is also a preparatory landing spot for > > new / optional TSM Report mechanics like a TCB stability enumeration / > > watchdog mechanism. To be added later. > > > > > > [...] > > > diff --git a/drivers/virt/coco/Makefile b/drivers/virt/coco/Makefile > > index c3d07cfc087e..885c9ef4e9fc 100644 > > --- a/drivers/virt/coco/Makefile > > +++ b/drivers/virt/coco/Makefile > > @@ -2,9 +2,9 @@ > > # > > # Confidential computing related collateral > > # > > -obj-$(CONFIG_TSM_REPORTS) += tsm.o > > obj-$(CONFIG_EFI_SECRET) += efi_secret/ > > obj-$(CONFIG_ARM_PKVM_GUEST) += pkvm-guest/ > > obj-$(CONFIG_SEV_GUEST) += sev-guest/ > > obj-$(CONFIG_INTEL_TDX_GUEST) += tdx-guest/ > > obj-$(CONFIG_ARM_CCA_GUEST) += arm-cca-guest/ > > +obj-$(CONFIG_TSM_REPORTS) += guest/ > > > > Would it make more sense to also move 'pkvm-guest', 'sev-guset', 'tdx-guest' and > 'arm-cca-guest' under the new 'guest/'? If folks want that. The main motivation is that common infrastructure for the host side should live in a separate directory from common infrastructure for the guest side, but for now I will live the vendor-specific guest directories alone.
