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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-07 09:53:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-07 09:53:33 -0700 |
| commit | a3fac08085136fb8b56bbd290500ed03c94ee5d1 (patch) | |
| tree | 849f73fd0d7d8d519735ad0eb3b4931c7c27aac4 /arch/powerpc/kvm/booke_interrupts.S | |
| parent | 664481ed45cdbda2ab853ddd3c2690b69aca9103 (diff) | |
| parent | e08759215b7dcb7111e94f0f96918dd98e86ca6b (diff) | |
| download | linux-a3fac08085136fb8b56bbd290500ed03c94ee5d1.tar.bz2 | |
Merge branch 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull a few KVM fixes from Avi Kivity:
"A bunch of powerpc KVM fixes, a guest and a host RCU fix (unrelated),
and a small build fix."
* 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Resolve RCU vs. async page fault problem
KVM: VMX: vmx_set_cr0 expects kvm->srcu locked
KVM: PMU: Fix integer constant is too large warning in kvm_pmu_set_msr()
KVM: PPC: Book3S: PR: Fix preemption
KVM: PPC: Save/Restore CR over vcpu_run
KVM: PPC: Book3S HV: Save and restore CR in __kvmppc_vcore_entry
KVM: PPC: Book3S HV: Fix kvm_alloc_linear in case where no linears exist
KVM: PPC: Book3S: Compile fix for ppc32 in HIOR access code
Diffstat (limited to 'arch/powerpc/kvm/booke_interrupts.S')
| -rw-r--r-- | arch/powerpc/kvm/booke_interrupts.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 10d8ef602e5c..c8c4b878795a 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -34,7 +34,8 @@ /* r2 is special: it holds 'current', and it made nonvolatile in the * kernel with the -ffixed-r2 gcc option. */ #define HOST_R2 12 -#define HOST_NV_GPRS 16 +#define HOST_CR 16 +#define HOST_NV_GPRS 20 #define HOST_NV_GPR(n) (HOST_NV_GPRS + ((n - 14) * 4)) #define HOST_MIN_STACK_SIZE (HOST_NV_GPR(31) + 4) #define HOST_STACK_SIZE (((HOST_MIN_STACK_SIZE + 15) / 16) * 16) /* Align. */ @@ -296,8 +297,10 @@ heavyweight_exit: /* Return to kvm_vcpu_run(). */ lwz r4, HOST_STACK_LR(r1) + lwz r5, HOST_CR(r1) addi r1, r1, HOST_STACK_SIZE mtlr r4 + mtcr r5 /* r3 still contains the return code from kvmppc_handle_exit(). */ blr @@ -314,6 +317,8 @@ _GLOBAL(__kvmppc_vcpu_run) stw r3, HOST_RUN(r1) mflr r3 stw r3, HOST_STACK_LR(r1) + mfcr r5 + stw r5, HOST_CR(r1) /* Save host non-volatile register state to stack. */ stw r14, HOST_NV_GPR(r14)(r1) |