android_kernel_xiaomi_sm8350/arch/powerpc
Alexander Graf 10474ae894 KVM: Activate Virtualization On Demand
X86 CPUs need to have some magic happening to enable the virtualization
extensions on them. This magic can result in unpleasant results for
users, like blocking other VMMs from working (vmx) or using invalid TLB
entries (svm).

Currently KVM activates virtualization when the respective kernel module
is loaded. This blocks us from autoloading KVM modules without breaking
other VMMs.

To circumvent this problem at least a bit, this patch introduces on
demand activation of virtualization. This means, that instead
virtualization is enabled on creation of the first virtual machine
and disabled on destruction of the last one.

So using this, KVM can be easily autoloaded, while keeping other
hypervisors usable.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2009-12-03 09:32:10 +02:00
..
boot Merge branch 'hostprogs-wmissing-prototypes' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux-misc 2009-11-17 09:14:49 -08:00
configs powerpc: pasemi_defconfig update 2009-11-11 15:44:02 +11:00
include/asm powerpc: Fix DEBUG_HIGHMEM build break from d451564669 2009-12-01 09:33:45 +11:00
kernel powerpc: Avoid giving out RTC dates below EPOCH 2009-11-05 17:06:21 +11:00
kvm KVM: Activate Virtualization On Demand 2009-12-03 09:32:10 +02:00
lib powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
math-emu
mm powerpc/mm: Remove debug context clamping from nohash code 2009-11-05 16:41:59 +11:00
oprofile powerpc: Remove unnecessary semicolons 2009-07-08 13:50:21 +10:00
platforms powerpc/82xx: kmalloc failure ignored in ep8248e_mdio_probe() 2009-11-05 07:18:00 -06:00
sysdev powerpc: Change archdata dma_data to a union 2009-09-24 15:31:43 +10:00
xmon powerpc/booke: Fix xmon single step on PowerPC Book-E 2009-10-27 16:42:40 +11:00
Kconfig powerpc: Cleanup Kconfig selection of hugetlbfs support 2009-10-30 15:03:54 +11:00
Kconfig.debug powerpc: Add configurable -Werror for arch/powerpc 2009-06-16 14:15:45 +10:00
Makefile powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE 2009-09-24 15:31:40 +10:00
relocs_check.pl powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE 2009-09-24 15:31:40 +10:00