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Merge tag 'kvm-4.20-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[linux-2.6-block.git]
/
arch
/
arm64
/
kvm
/
hyp
/
sysreg-sr.c
diff --git
a/arch/arm64/kvm/hyp/sysreg-sr.c
b/arch/arm64/kvm/hyp/sysreg-sr.c
index 8dc28531820414061040c657e6066815d248e589..68d6f7c3b237dc1713fa36bc55d4a27fef2e5949 100644
(file)
--- a/
arch/arm64/kvm/hyp/sysreg-sr.c
+++ b/
arch/arm64/kvm/hyp/sysreg-sr.c
@@
-305,3
+305,14
@@
void kvm_vcpu_put_sysregs(struct kvm_vcpu *vcpu)
vcpu->arch.sysregs_loaded_on_cpu = false;
}
+
+void __hyp_text __kvm_enable_ssbs(void)
+{
+ u64 tmp;
+
+ asm volatile(
+ "mrs %0, sctlr_el2\n"
+ "orr %0, %0, %1\n"
+ "msr sctlr_el2, %0"
+ : "=&r" (tmp) : "L" (SCTLR_ELx_DSSBS));
+}