[PATCH v3 09/32] KVM: arm64: Allow using kvm_nvhe_sym() in hyp code

Quentin Perret
2021-03-03T14:06:37Z

In order to allow the usage of code shared by the host and the hyp in
static inline library functions, allow the usage of kvm_nvhe_sym() at
EL2 by defaulting to the raw symbol name.

Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Quentin Perret <qperret@google.com>
---
arch/arm64/include/asm/hyp_image.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/hyp_image.h b/arch/arm64/include/asm/hyp_image.h
index 78cd77990c9c..b4b3076a76fb 100644
--- a/arch/arm64/include/asm/hyp_image.h
+++ b/arch/arm64/include/asm/hyp_image.h
@@ -10,11 +10,15 @@
#define __HYP_CONCAT(a, b) a ## b
#define HYP_CONCAT(a, b) __HYP_CONCAT(a, b)

+#ifndef __KVM_NVHE_HYPERVISOR__
/*
* KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_,
* to separate it from the kernel proper.
*/
#define kvm_nvhe_sym(sym) __kvm_nvhe_##sym
+#else
+#define kvm_nvhe_sym(sym) sym
+#endif

#ifdef LINKER_SCRIPT