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02daab21d9
linux/arch/x86/kvm
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Avi Kivity 02daab21d9 KVM: Lazify fpu activation and deactivation 
Defer fpu deactivation as much as possible - if the guest fpu is loaded, keep
it loaded until the next heavyweight exit (where we are forced to unload it).
This reduces unnecessary exits.

We also defer fpu activation on clts; while clts signals the intent to use the
fpu, we can't be sure the guest will actually use it.

Signed-off-by: Avi Kivity <avi@redhat.com>
2010-03-01 12:35:50 -03:00
..
emulate.c KVM: Replace read accesses of vcpu->arch.cr0 by an accessor 2010-03-01 12:35:50 -03:00
i8254.c KVM: convert slots_lock to a mutex 2010-03-01 12:35:45 -03:00
i8254.h KVM: PIT support for HPET legacy mode 2009-09-10 08:33:12 +03:00
i8259.c KVM: convert slots_lock to a mutex 2010-03-01 12:35:45 -03:00
irq.c KVM: Remove irq_pending bitmap 2009-06-10 11:48:57 +03:00
irq.h KVM: x86: disallow multiple KVM_CREATE_IRQCHIP 2009-12-03 09:32:23 +02:00
Kconfig KVM: Add KVM_MMIO kconfig item 2010-03-01 12:35:41 -03:00
kvm_cache_regs.h KVM: VMX: Allow the guest to own some cr0 bits 2010-03-01 12:35:50 -03:00
kvm_timer.h KVM: Use pointer to vcpu instead of vcpu_id in timer code. 2009-09-10 08:32:52 +03:00
lapic.c KVM: Fix race between APIC TMR and IRR 2010-01-25 12:26:36 -02:00
lapic.h KVM: x2apic interface to lapic 2009-09-10 08:33:08 +03:00
Makefile KVM: Move assigned device code to own file 2009-12-03 09:32:09 +02:00
mmu.c KVM: Replace read accesses of vcpu->arch.cr0 by an accessor 2010-03-01 12:35:50 -03:00
mmu.h KVM: Replace read accesses of vcpu->arch.cr0 by an accessor 2010-03-01 12:35:50 -03:00
mmutrace.h KVM: Trace shadow page lifecycle 2009-09-10 08:33:10 +03:00
paging_tmpl.h KVM: MMU: bail out pagewalk on kvm_read_guest error 2010-01-25 12:26:38 -02:00
svm.c KVM: Lazify fpu activation and deactivation 2010-03-01 12:35:50 -03:00
timer.c KVM: Drop useless atomic test from timer function 2009-09-10 08:32:57 +03:00
trace.h KVM: SVM: Add tracepoint for skinit instruction 2009-12-03 09:32:16 +02:00
tss.h KVM: x86: hardware task switching support 2008-04-27 12:00:39 +03:00
vmx.c KVM: Lazify fpu activation and deactivation 2010-03-01 12:35:50 -03:00
x86.c KVM: Lazify fpu activation and deactivation 2010-03-01 12:35:50 -03:00
x86.h KVM: Add Directed EOI support to APIC emulation 2009-09-10 08:33:07 +03:00