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| author | Laurent Vivier <Laurent.Vivier@bull.net> | 2008-05-30 16:05:55 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-07-20 12:42:31 +0300 |
| commit | 542472b53ea9e0add0ba23976018210191d84754 (patch) | |
| tree | 8de46a03065f2fdf33485138f954a246e974070c /arch/x86 | |
| parent | 5f94c1741bdc7a336553122036e8a779e616ccbf (diff) | |
KVM: Add coalesced MMIO support (x86 part)
This patch enables coalesced MMIO for x86 architecture.
It defines KVM_MMIO_PAGE_OFFSET and KVM_CAP_COALESCED_MMIO.
It enables the compilation of coalesced_mmio.c.
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/Makefile | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index c97d35c218db..d0e940bb6f40 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -2,7 +2,8 @@ # Makefile for Kernel-based Virtual Machine module # -common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o) +common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \ + coalesced_mmio.o) ifeq ($(CONFIG_KVM_TRACE),y) common-objs += $(addprefix ../../../virt/kvm/, kvm_trace.o) endif diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index ab3f5552d694..d731d4fff1ae 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -885,6 +885,9 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_MP_STATE: r = 1; break; + case KVM_CAP_COALESCED_MMIO: + r = KVM_COALESCED_MMIO_PAGE_OFFSET; + break; case KVM_CAP_VAPIC: r = !kvm_x86_ops->cpu_has_accelerated_tpr(); break; |