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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-24 09:07:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-24 09:07:03 -0700
commit5fabc487c96819dd12ddb9414835d170fd9cd6d5 (patch)
tree01532d492e5074b0d3add29bf92ebf9a9d161e9e /arch/powerpc/kvm/book3s_interrupts.S
parentc61264f98c1a974ee6f545f61a4ab33b141d6bda (diff)
parent3f68b0318bbbd61bf08478ab99a149f0d9e5156e (diff)
Merge branch 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (143 commits) KVM: IOMMU: Disable device assignment without interrupt remapping KVM: MMU: trace mmio page fault KVM: MMU: mmio page fault support KVM: MMU: reorganize struct kvm_shadow_walk_iterator KVM: MMU: lockless walking shadow page table KVM: MMU: do not need atomicly to set/clear spte KVM: MMU: introduce the rules to modify shadow page table KVM: MMU: abstract some functions to handle fault pfn KVM: MMU: filter out the mmio pfn from the fault pfn KVM: MMU: remove bypass_guest_pf KVM: MMU: split kvm_mmu_free_page KVM: MMU: count used shadow pages on prepareing path KVM: MMU: rename 'pt_write' to 'emulate' KVM: MMU: cleanup for FNAME(fetch) KVM: MMU: optimize to handle dirty bit KVM: MMU: cache mmio info on page fault path KVM: x86: introduce vcpu_mmio_gva_to_gpa to cleanup the code KVM: MMU: do not update slot bitmap if spte is nonpresent KVM: MMU: fix walking shadow page table KVM guest: KVM Steal time registration ...
Diffstat (limited to 'arch/powerpc/kvm/book3s_interrupts.S')
-rw-r--r--arch/powerpc/kvm/book3s_interrupts.S21
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/powerpc/kvm/book3s_interrupts.S b/arch/powerpc/kvm/book3s_interrupts.S
index 2f0bc928b08a..c54b0e30cf3f 100644
--- a/arch/powerpc/kvm/book3s_interrupts.S
+++ b/arch/powerpc/kvm/book3s_interrupts.S
@@ -29,8 +29,7 @@
#define ULONG_SIZE 8
#define FUNC(name) GLUE(.,name)
-#define GET_SHADOW_VCPU(reg) \
- addi reg, r13, PACA_KVM_SVCPU
+#define GET_SHADOW_VCPU_R13
#define DISABLE_INTERRUPTS \
mfmsr r0; \
@@ -43,8 +42,8 @@
#define ULONG_SIZE 4
#define FUNC(name) name
-#define GET_SHADOW_VCPU(reg) \
- lwz reg, (THREAD + THREAD_KVM_SVCPU)(r2)
+#define GET_SHADOW_VCPU_R13 \
+ lwz r13, (THREAD + THREAD_KVM_SVCPU)(r2)
#define DISABLE_INTERRUPTS \
mfmsr r0; \
@@ -85,7 +84,7 @@
* r3: kvm_run pointer
* r4: vcpu pointer
*/
-_GLOBAL(__kvmppc_vcpu_entry)
+_GLOBAL(__kvmppc_vcpu_run)
kvm_start_entry:
/* Write correct stack frame */
@@ -107,17 +106,11 @@ kvm_start_entry:
/* Load non-volatile guest state from the vcpu */
VCPU_LOAD_NVGPRS(r4)
- GET_SHADOW_VCPU(r5)
-
- /* Save R1/R2 in the PACA */
- PPC_STL r1, SVCPU_HOST_R1(r5)
- PPC_STL r2, SVCPU_HOST_R2(r5)
+kvm_start_lightweight:
- /* XXX swap in/out on load? */
+ GET_SHADOW_VCPU_R13
PPC_LL r3, VCPU_HIGHMEM_HANDLER(r4)
- PPC_STL r3, SVCPU_VMHANDLER(r5)
-
-kvm_start_lightweight:
+ PPC_STL r3, HSTATE_VMHANDLER(r13)
PPC_LL r10, VCPU_SHADOW_MSR(r4) /* r10 = vcpu->arch.shadow_msr */