kernel-ark/arch/powerpc/kvm
Hollis Blanchard 20754c2495 KVM: ppc: Stop saving host TLB state
We're saving the host TLB state to memory on every exit, but never using it.
Originally I had thought that we'd want to restore host TLB for heavyweight
exits, but that could actually hurt when context switching to an unrelated host
process (i.e. not qemu).

Since this decreases the performance penalty of all exits, this patch improves
guest boot time by about 15%.

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-10-15 10:15:16 +02:00
..
44x_tlb.c KVM: ppc: adds trace points for ppc tlb activity 2008-10-15 10:15:15 +02:00
44x_tlb.h
booke_guest.c KVM: ppc: guest breakpoint support 2008-10-15 10:15:16 +02:00
booke_host.c
booke_interrupts.S KVM: ppc: Stop saving host TLB state 2008-10-15 10:15:16 +02:00
emulate.c KVM: ppc: trace powerpc instruction emulation 2008-10-15 10:15:15 +02:00
Kconfig KVM: ppc: enable KVM_TRACE building for powerpc 2008-10-15 10:15:15 +02:00
Makefile KVM: ppc: enable KVM_TRACE building for powerpc 2008-10-15 10:15:15 +02:00
powerpc.c KVM: ppc: guest breakpoint support 2008-10-15 10:15:16 +02:00