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[2/7] KVM: Add Makefile.kvm for common files, use it for x86

Message ID 20211116115051.119956-2-dwmw2@infradead.org (mailing list archive)
State New, archived
Headers show
Series [1/7] KVM: Introduce CONFIG_HAVE_KVM_DIRTY_RING | expand

Commit Message

David Woodhouse Nov. 16, 2021, 11:50 a.m. UTC 
From: David Woodhouse <dwmw@amazon.co.uk>

Splitting kvm_main.c out into smaller and better-organized files is
slightly non-trivial when it involves editing a bunch of per-arch
KVM makefiles. Provide virt/kvm/Makefile.kvm for them to include.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
---
 arch/x86/kvm/Makefile |  7 +------
 virt/kvm/Makefile.kvm | 13 +++++++++++++
 2 files changed, 14 insertions(+), 6 deletions(-)
 create mode 100644 virt/kvm/Makefile.kvm
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Patch

diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 75dfd27b6e8a..30f244b64523 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -7,12 +7,7 @@  ifeq ($(CONFIG_FRAME_POINTER),y)
 OBJECT_FILES_NON_STANDARD_vmenter.o := y
 endif
 
-KVM := ../../../virt/kvm
-
-kvm-y			+= $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o \
-				$(KVM)/eventfd.o $(KVM)/irqchip.o $(KVM)/vfio.o \
-				$(KVM)/dirty_ring.o $(KVM)/binary_stats.o
-kvm-$(CONFIG_KVM_ASYNC_PF)	+= $(KVM)/async_pf.o
+include $(srctree)/virt/kvm/Makefile.kvm
 
 kvm-y			+= x86.o emulate.o i8259.o irq.o lapic.o \
 			   i8254.o ioapic.o irq_comm.o cpuid.o pmu.o mtrr.o \
diff --git a/virt/kvm/Makefile.kvm b/virt/kvm/Makefile.kvm
new file mode 100644
index 000000000000..ee9c310f3601
--- /dev/null
+++ b/virt/kvm/Makefile.kvm
@@ -0,0 +1,13 @@ 
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for Kernel-based Virtual Machine module
+#
+
+KVM ?= ../../../virt/kvm
+
+kvm-y := $(KVM)/kvm_main.o $(KVM)/eventfd.o $(KVM)/binary_stats.o
+kvm-$(CONFIG_KVM_VFIO) += $(KVM)/vfio.o
+kvm-$(CONFIG_KVM_MMIO) += $(KVM)/coalesced_mmio.o
+kvm-$(CONFIG_KVM_ASYNC_PF) += $(KVM)/async_pf.o
+kvm-$(CONFIG_HAVE_KVM_IRQCHIP) += $(KVM)/irqchip.o
+kvm-$(CONFIG_HAVE_KVM_DIRTY_RING) += $(KVM)/dirty_ring.o