On 5/26/21 10:14 PM, Laszlo Ersek wrote: > The "OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLibScan.inf" > instance is used in the following platforms in edk2: > > OvmfPkg/Bhyve/BhyveX64.dsc > OvmfPkg/OvmfXen.dsc > > Both platforms define "PcdPciDisableBusEnumeration" with Fixed-at-Build > access method, and TRUE value. Remove the PCD from the > PciHostBridgeLibScan instance, and everything else that is useful only > when the PCD is FALSE. > > In practice, this removes the PciHostBridgeUtilityGetRootBridges() > function call, which is based on fw-cfg; see > "OvmfPkg/Library/PciHostBridgeUtilityLib/PciHostBridgeUtilityLib.c". > > (Note that the dependency on PciHostBridgeUtilityLib remains in place, > given that the PciHostBridgeLibScan instance continues using lower-level > functions from the library that do not depend on fw-cfg.) > > Cc: Anthony Perard <anthony.per...@citrix.com> > Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> > Cc: Jordan Justen <jordan.l.jus...@intel.com> > Cc: Julien Grall <jul...@xen.org> > Cc: Peter Grehan <gre...@freebsd.org> > Cc: Philippe Mathieu-Daudé <phi...@redhat.com> > Cc: Rebecca Cran <rebe...@bsdio.com> > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2122 > Signed-off-by: Laszlo Ersek <ler...@redhat.com> > --- > OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLibScan.inf | 7 --- > OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLib.c | 63 > +------------------- > 2 files changed, 2 insertions(+), 68 deletions(-)
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