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authorMarc Zyngier <maz@kernel.org>2019-06-28 23:36:42 +0100
committerMarc Zyngier <maz@kernel.org>2020-07-07 09:28:38 +0100
commitfd85b66789aaa594a158f0a8aa4482c3ed0fed3d (patch)
treeed25a9dd13720f432a2744f4bdf645c3301f42e3 /arch/arm64/kvm/guest.c
parent1bded23ea71cee2053fe1dd55c5d36d35bec56aa (diff)
KVM: arm64: Disintegrate SPSR array
As we're about to move SPSR_EL1 into the VNCR page, we need to disassociate it from the rest of the 32bit cruft. Let's break the array into individual fields. Reviewed-by: James Morse <james.morse@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/guest.c')
-rw-r--r--arch/arm64/kvm/guest.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index d614716e073b..70215f3a6f89 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -134,11 +134,20 @@ static void *core_reg_addr(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
case KVM_REG_ARM_CORE_REG(elr_el1):
return __ctxt_sys_reg(&vcpu->arch.ctxt, ELR_EL1);
- case KVM_REG_ARM_CORE_REG(spsr[0]) ...
- KVM_REG_ARM_CORE_REG(spsr[KVM_NR_SPSR - 1]):
- off -= KVM_REG_ARM_CORE_REG(spsr[0]);
- off /= 2;
- return &vcpu->arch.ctxt.spsr[off];
+ case KVM_REG_ARM_CORE_REG(spsr[KVM_SPSR_EL1]):
+ return &vcpu->arch.ctxt.spsr_el1;
+
+ case KVM_REG_ARM_CORE_REG(spsr[KVM_SPSR_ABT]):
+ return &vcpu->arch.ctxt.spsr_abt;
+
+ case KVM_REG_ARM_CORE_REG(spsr[KVM_SPSR_UND]):
+ return &vcpu->arch.ctxt.spsr_und;
+
+ case KVM_REG_ARM_CORE_REG(spsr[KVM_SPSR_IRQ]):
+ return &vcpu->arch.ctxt.spsr_irq;
+
+ case KVM_REG_ARM_CORE_REG(spsr[KVM_SPSR_FIQ]):
+ return &vcpu->arch.ctxt.spsr_fiq;
case KVM_REG_ARM_CORE_REG(fp_regs.vregs[0]) ...
KVM_REG_ARM_CORE_REG(fp_regs.vregs[31]):