summaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
authorMarc Zyngier <marc.zyngier@arm.com>2018-01-03 16:38:35 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-02-16 20:06:41 +0100
commit9a7a2f40da4a334a379c7a4fc472a15e9d04104d (patch)
treebab243c8e1a0d800e7f1b374f5bf44b533f1dcb9 /arch/arm
parent7c2108a2db4914af9e22e53cbc83c49fc42ac472 (diff)
downloadlinux-stable-9a7a2f40da4a334a379c7a4fc472a15e9d04104d.tar.gz
linux-stable-9a7a2f40da4a334a379c7a4fc472a15e9d04104d.tar.bz2
linux-stable-9a7a2f40da4a334a379c7a4fc472a15e9d04104d.zip
arm64: KVM: Use per-CPU vector when BP hardening is enabled
Commit 6840bdd73d07 upstream. Now that we have per-CPU vectors, let's plug then in the KVM/arm64 code. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Conflicts: arch/arm/include/asm/kvm_mmu.h arch/arm64/include/asm/kvm_mmu.h Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/kvm_mmu.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index fa6f2174276b..eb46fc81a440 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -221,6 +221,16 @@ static inline unsigned int kvm_get_vmid_bits(void)
return 8;
}
+static inline void *kvm_get_hyp_vector(void)
+{
+ return kvm_ksym_ref(__kvm_hyp_vector);
+}
+
+static inline int kvm_map_vectors(void)
+{
+ return 0;
+}
+
#endif /* !__ASSEMBLY__ */
#endif /* __ARM_KVM_MMU_H__ */