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Re: [Qemu-devel] [PATCH v1 27/27] hw/vfio/Makefile.objs: Create new CONF


From: Yang Zhong
Subject: Re: [Qemu-devel] [PATCH v1 27/27] hw/vfio/Makefile.objs: Create new CONFIG_* variables for VFIO core and PCI
Date: Sat, 2 Feb 2019 14:59:18 +0800
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Jan 31, 2019 at 09:48:54AM +0100, Thomas Huth wrote:
> On 2019-01-31 08:32, Yang Zhong wrote:
> > From: Paolo Bonzini <address@hidden>
> > 
> > Make hw/vfio configurable and add new CONFIG_VFIO_* to the
> > default-configs/s390x*-softmmu.mak.  This allow a finer-grain
> > selection of the various VFIO backends.
> > 
> > Signed-off-by: Paolo Bonzini <address@hidden>
> > ---
> >  default-configs/arm-softmmu.mak   | 2 ++
> >  default-configs/pci.mak           | 2 ++
> >  default-configs/ppc64-softmmu.mak | 1 +
> >  default-configs/s390x-softmmu.mak | 5 +++--
> >  hw/Makefile.objs                  | 2 +-
> >  hw/vfio/Makefile.objs             | 7 +++----
> >  6 files changed, 12 insertions(+), 7 deletions(-)
> > 
> > diff --git a/default-configs/arm-softmmu.mak 
> > b/default-configs/arm-softmmu.mak
> > index d2c8b52f6d..e74b994f2a 100644
> > --- a/default-configs/arm-softmmu.mak
> > +++ b/default-configs/arm-softmmu.mak
> > @@ -123,6 +123,8 @@ CONFIG_VERSATILE_PCI=y
> >  CONFIG_VERSATILE_I2C=y
> >  
> >  CONFIG_PCI_EXPRESS_GENERIC_BRIDGE=y
> > +CONFIG_VFIO=$(CONFIG_LINUX)
> > +CONFIG_VFIO_PLATFORM=y
> >  CONFIG_VFIO_XGMAC=y
> >  CONFIG_VFIO_AMD_XGBE=y
> >  
> > diff --git a/default-configs/pci.mak b/default-configs/pci.mak
> > index 83738cbb65..037636fa33 100644
> > --- a/default-configs/pci.mak
> > +++ b/default-configs/pci.mak
> > @@ -47,3 +47,5 @@ CONFIG_VGA_PCI=y
> >  CONFIG_BOCHS_DISPLAY=y
> >  CONFIG_IVSHMEM_DEVICE=$(CONFIG_IVSHMEM)
> >  CONFIG_ROCKER=y
> > +CONFIG_VFIO=$(CONFIG_LINUX)
> > +CONFIG_VFIO_PCI=y
> > diff --git a/default-configs/ppc64-softmmu.mak 
> > b/default-configs/ppc64-softmmu.mak
> > index 7f34ad0528..ccd7b179df 100644
> > --- a/default-configs/ppc64-softmmu.mak
> > +++ b/default-configs/ppc64-softmmu.mak
> > @@ -18,6 +18,7 @@ CONFIG_XICS_SPAPR=$(CONFIG_PSERIES)
> >  CONFIG_XICS_KVM=$(call land,$(CONFIG_PSERIES),$(CONFIG_KVM))
> >  CONFIG_XIVE=$(CONFIG_PSERIES)
> >  CONFIG_XIVE_SPAPR=$(CONFIG_PSERIES)
> > +CONFIG_VFIO_SPAPR=$(CONFIG_PSERIES)
> >  CONFIG_MEM_DEVICE=y
> >  CONFIG_DIMM=y
> >  CONFIG_SPAPR_RNG=y
> > diff --git a/default-configs/s390x-softmmu.mak 
> > b/default-configs/s390x-softmmu.mak
> > index 8bb7e438c8..6f2c6cec18 100644
> > --- a/default-configs/s390x-softmmu.mak
> > +++ b/default-configs/s390x-softmmu.mak
> > @@ -5,7 +5,8 @@ CONFIG_SCLPCONSOLE=y
> >  CONFIG_TERMINAL3270=y
> >  CONFIG_S390_FLIC=y
> >  CONFIG_S390_FLIC_KVM=$(CONFIG_KVM)
> > -CONFIG_VFIO_CCW=$(CONFIG_LINUX)
> >  CONFIG_WDT_DIAG288=y
> > -CONFIG_VFIO_AP=$(CONFIG_LINUX)
> >  CONFIG_S390_CCW_VIRTIO=y
> > +CONFIG_VFIO=$(CONFIG_LINUX)
> > +CONFIG_VFIO_CCW=y
> > +CONFIG_VFIO_AP=y
> > diff --git a/hw/Makefile.objs b/hw/Makefile.objs
> > index 22dd211363..e2fcd6aafc 100644
> > --- a/hw/Makefile.objs
> > +++ b/hw/Makefile.objs
> > @@ -30,7 +30,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += ssi/
> >  devices-dirs-$(CONFIG_SOFTMMU) += timer/
> >  devices-dirs-$(CONFIG_TPM) += tpm/
> >  devices-dirs-$(CONFIG_SOFTMMU) += usb/
> > -devices-dirs-$(CONFIG_LINUX) += vfio/
> > +devices-dirs-$(CONFIG_VFIO) += vfio/
> >  devices-dirs-$(CONFIG_SOFTMMU) += virtio/
> >  devices-dirs-$(CONFIG_SOFTMMU) += watchdog/
> >  devices-dirs-$(CONFIG_SOFTMMU) += xen/
> > diff --git a/hw/vfio/Makefile.objs b/hw/vfio/Makefile.objs
> > index 91805893f7..abad8b818c 100644
> > --- a/hw/vfio/Makefile.objs
> > +++ b/hw/vfio/Makefile.objs
> > @@ -1,8 +1,7 @@
> > -obj-$(CONFIG_SOFTMMU) += common.o
> > -obj-$(CONFIG_PCI) += pci.o pci-quirks.o display.o
> > +obj-y += common.o spapr.o
> 
> I had rather expected a "obj-$(CONFIG_VFIO_SPAPR) += spapr.o" here...
> but I guess it doesn't link without spapr.o? Maybe worth to mention that
> in the patch description...
> 

  Yes, The common.c call some functions in spapr.c here. Thanks Thomas.

  Yang 

> Anyway:
> 
> Reviewed-by: Thomas Huth <address@hidden>
> 
> 
> > +obj-$(CONFIG_VFIO_PCI) += pci.o pci-quirks.o display.o
> >  obj-$(CONFIG_VFIO_CCW) += ccw.o
> > -obj-$(CONFIG_SOFTMMU) += platform.o
> > +obj-$(CONFIG_VFIO_PLATFORM) += platform.o
> >  obj-$(CONFIG_VFIO_XGMAC) += calxeda-xgmac.o
> >  obj-$(CONFIG_VFIO_AMD_XGBE) += amd-xgbe.o
> > -obj-$(CONFIG_SOFTMMU) += spapr.o
> >  obj-$(CONFIG_VFIO_AP) += ap.o
> > 



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