Messages in this thread Patch in this message | | | From | Kamal Mostafa <> | Subject | [PATCH 3.19.y-ckt 058/128] KVM: Provide function for VCPU lookup by id | Date | Wed, 16 Dec 2015 09:38:18 -0800 |
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3.19.8-ckt12 -stable review patch. If anyone has any objections, please let me know.
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From: David Hildenbrand <dahi@linux.vnet.ibm.com>
commit db27a7a37aa0b1f8b373f8b0fb72a2ccaafb85b7 upstream.
Let's provide a function to lookup a VCPU by id.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> [split patch from refactoring patch] [ kamal: 3.19-stable prereq for b85de33 KVM: s390: avoid memory overwrites on emergency signal injection ] Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- include/linux/kvm_host.h | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 26f1060..c3aa8f4 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -438,6 +438,17 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i) (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \ idx++) +static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) +{ + struct kvm_vcpu *vcpu; + int i; + + kvm_for_each_vcpu(i, vcpu, kvm) + if (vcpu->vcpu_id == id) + return vcpu; + return NULL; +} + #define kvm_for_each_memslot(memslot, slots) \ for (memslot = &slots->memslots[0]; \ memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\ -- 1.9.1
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