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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-04 09:30:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-04 09:30:33 -0700
commitecefbd94b834fa32559d854646d777c56749ef1c (patch)
treeca8958900ad9e208a8e5fb7704f1b66dc76131b4 /arch/x86/Kconfig
parentce57e981f2b996aaca2031003b3f866368307766 (diff)
parent3d11df7abbff013b811d5615320580cd5d9d7d31 (diff)
downloadop-kernel-dev-ecefbd94b834fa32559d854646d777c56749ef1c.zip
op-kernel-dev-ecefbd94b834fa32559d854646d777c56749ef1c.tar.gz
Merge tag 'kvm-3.7-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Avi Kivity: "Highlights of the changes for this release include support for vfio level triggered interrupts, improved big real mode support on older Intels, a streamlines guest page table walker, guest APIC speedups, PIO optimizations, better overcommit handling, and read-only memory." * tag 'kvm-3.7-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (138 commits) KVM: s390: Fix vcpu_load handling in interrupt code KVM: x86: Fix guest debug across vcpu INIT reset KVM: Add resampling irqfds for level triggered interrupts KVM: optimize apic interrupt delivery KVM: MMU: Eliminate pointless temporary 'ac' KVM: MMU: Avoid access/dirty update loop if all is well KVM: MMU: Eliminate eperm temporary KVM: MMU: Optimize is_last_gpte() KVM: MMU: Simplify walk_addr_generic() loop KVM: MMU: Optimize pte permission checks KVM: MMU: Update accessed and dirty bits after guest pagetable walk KVM: MMU: Move gpte_access() out of paging_tmpl.h KVM: MMU: Optimize gpte_access() slightly KVM: MMU: Push clean gpte write protection out of gpte_access() KVM: clarify kvmclock documentation KVM: make processes waiting on vcpu mutex killable KVM: SVM: Make use of asm.h KVM: VMX: Make use of asm.h KVM: VMX: Make lto-friendly KVM: x86: lapic: Clean up find_highest_vector() and count_vectors() ... Conflicts: arch/s390/include/asm/processor.h arch/x86/kvm/i8259.c
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig21
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7f9a395..b72777f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -586,23 +586,18 @@ config PARAVIRT_TIME_ACCOUNTING
source "arch/x86/xen/Kconfig"
-config KVM_CLOCK
- bool "KVM paravirtualized clock"
- select PARAVIRT
- select PARAVIRT_CLOCK
- ---help---
- Turning on this option will allow you to run a paravirtualized clock
- when running over the KVM hypervisor. Instead of relying on a PIT
- (or probably other) emulation by the underlying device model, the host
- provides the guest with timing infrastructure such as time of day, and
- system time
-
config KVM_GUEST
- bool "KVM Guest support"
+ bool "KVM Guest support (including kvmclock)"
+ select PARAVIRT
select PARAVIRT
+ select PARAVIRT_CLOCK
+ default y if PARAVIRT_GUEST
---help---
This option enables various optimizations for running under the KVM
- hypervisor.
+ hypervisor. It includes a paravirtualized clock, so that instead
+ of relying on a PIT (or probably other) emulation by the
+ underlying device model, the host provides the guest with
+ timing infrastructure such as time of day, and system time
source "arch/x86/lguest/Kconfig"
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