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authorMario Smarduch <m.smarduch@samsung.com>2015-01-15 15:58:55 -0800
committerChristoffer Dall <christoffer.dall@linaro.org>2015-01-16 14:40:14 +0100
commit72fc36b600f73e37557576af80c58836dcf389f9 (patch)
treece72702b0e0f5acdf3d21a242dc358f4fb09dd91 /arch/arm/include
parente108ff2f8033a417ee3e517d9f8730f665646076 (diff)
downloadlinux-72fc36b600f73e37557576af80c58836dcf389f9.tar.bz2
KVM: arm: Add ARMv7 API to flush TLBs
This patch adds ARMv7 architecture TLB Flush function. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Mario Smarduch <m.smarduch@samsung.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/kvm_asm.h1
-rw-r--r--arch/arm/include/asm/kvm_host.h12
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h
index 3a67bec72d0c..25410b2d8bc1 100644
--- a/arch/arm/include/asm/kvm_asm.h
+++ b/arch/arm/include/asm/kvm_asm.h
@@ -96,6 +96,7 @@ extern char __kvm_hyp_code_end[];
extern void __kvm_flush_vm_context(void);
extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
+extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
#endif
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 254e0650e48b..acfced36986b 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -221,6 +221,18 @@ static inline void __cpu_init_hyp_mode(phys_addr_t boot_pgd_ptr,
kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr);
}
+/**
+ * kvm_flush_remote_tlbs() - flush all VM TLB entries
+ * @kvm: pointer to kvm structure.
+ *
+ * Interface to HYP function to flush all VM TLB entries without address
+ * parameter.
+ */
+static inline void kvm_flush_remote_tlbs(struct kvm *kvm)
+{
+ kvm_call_hyp(__kvm_tlb_flush_vmid, kvm);
+}
+
static inline int kvm_arch_dev_ioctl_check_extension(long ext)
{
return 0;