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kvm: powerpc: book3s: Add a new config variable CONFIG_KVM_BOOK3S_HV_POSSIBLE

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This help ups to select the relevant code in the kernel code
when we later move HV and PR bits as seperate modules. The patch
also makes the config options for PR KVM selectable

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aneesh Kumar K.V
2013-10-07 22:17:52 +05:30
committed by Alexander Graf
parent 7aa79938f7
commit 9975f5e369
10 changed files with 44 additions and 25 deletions
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8
arch/powerpc/kernel/asm-offsets.c
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@@ -445,7 +445,7 @@ int main(void)
DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
#ifdef CONFIG_KVM_BOOK3S_64_HV
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.shregs.msr));
DEFINE(VCPU_SRR0, offsetof(struct kvm_vcpu, arch.shregs.srr0));
DEFINE(VCPU_SRR1, offsetof(struct kvm_vcpu, arch.shregs.srr1));
@@ -476,7 +476,7 @@ int main(void)
DEFINE(KVM_LPID, offsetof(struct kvm, arch.lpid));
/* book3s */
#ifdef CONFIG_KVM_BOOK3S_64_HV
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
DEFINE(KVM_SDR1, offsetof(struct kvm, arch.sdr1));
DEFINE(KVM_HOST_LPID, offsetof(struct kvm, arch.host_lpid));
DEFINE(KVM_HOST_LPCR, offsetof(struct kvm, arch.host_lpcr));
@@ -586,7 +586,7 @@ int main(void)
HSTATE_FIELD(HSTATE_RESTORE_HID5, restore_hid5);
HSTATE_FIELD(HSTATE_NAPPING, napping);
#ifdef CONFIG_KVM_BOOK3S_64_HV
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
HSTATE_FIELD(HSTATE_HWTHREAD_REQ, hwthread_req);
HSTATE_FIELD(HSTATE_HWTHREAD_STATE, hwthread_state);
HSTATE_FIELD(HSTATE_KVM_VCPU, kvm_vcpu);
@@ -602,7 +602,7 @@ int main(void)
HSTATE_FIELD(HSTATE_DABR, dabr);
HSTATE_FIELD(HSTATE_DECEXP, dec_expires);
DEFINE(IPI_PRIORITY, IPI_PRIORITY);
#endif /* CONFIG_KVM_BOOK3S_64_HV */
#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
#ifdef CONFIG_PPC_BOOK3S_64
HSTATE_FIELD(HSTATE_CFAR, cfar);

2
arch/powerpc/kernel/idle_power7.S
View File

@@ -84,7 +84,7 @@ _GLOBAL(power7_nap)
std r9,_MSR(r1)
std r1,PACAR1(r13)
#ifdef CONFIG_KVM_BOOK3S_64_HV
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
/* Tell KVM we're napping */
li r4,KVM_HWTHREAD_IN_NAP
stb r4,HSTATE_HWTHREAD_STATE(r13)