We already have __hyp_text_{start,end} to express the boundaries
of the HYP text section, and __kvm_hyp_code_{start,end} are getting
in the way of a more modular world switch code.
Just turn __kvm_hyp_code_{start,end} into #defines mapping the
linker-emited symbols.
Acked-by: Catalin Marinas <catalin.mari...@arm.com>
Reviewed-by: Christoffer Dall <christoffer.d...@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
---
arch/arm64/include/asm/kvm_asm.h | 6 ++++--
arch/arm64/include/asm/virt.h | 4 ++++
arch/arm64/kvm/hyp.S | 6 ------
3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 9fcd54b..d0bfc4b 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -18,6 +18,8 @@
#ifndef __ARM_KVM_ASM_H__
#define __ARM_KVM_ASM_H__
+#include <asm/virt.h>
+
/*
* 0 is reserved as an invalid value.
* Order *must* be kept in sync with the hyp switch code.
@@ -96,8 +98,8 @@ extern char __kvm_hyp_init_end[];
extern char __kvm_hyp_vector[];
-extern char __kvm_hyp_code_start[];
-extern char __kvm_hyp_code_end[];
+#define __kvm_hyp_code_start __hyp_text_start
+#define __kvm_hyp_code_end __hyp_text_end
extern void __kvm_flush_vm_context(void);
extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h
index 215ad46..7a5df52 100644
--- a/arch/arm64/include/asm/virt.h
+++ b/arch/arm64/include/asm/virt.h
@@ -50,6 +50,10 @@ static inline bool is_hyp_mode_mismatched(void)
return __boot_cpu_mode[0] != __boot_cpu_mode[1];
}
+/* The section containing the hypervisor text */
+extern char __hyp_text_start[];
+extern char __hyp_text_end[];
+
#endif /* __ASSEMBLY__ */
#endif /* ! __ASM__VIRT_H */
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S
index 877d82a1..9c5d0ac 100644
--- a/arch/arm64/kvm/hyp.S
+++ b/arch/arm64/kvm/hyp.S
@@ -36,9 +36,6 @@
.pushsection .hyp.text, "ax"
.align PAGE_SHIFT
-__kvm_hyp_code_start:
- .globl __kvm_hyp_code_start
-
.macro save_common_regs
// x2: base address for cpu context
// x3: tmp register
@@ -880,7 +877,4 @@ ENTRY(__kvm_hyp_vector)
ventry el1_error_invalid // Error 32-bit EL1
ENDPROC(__kvm_hyp_vector)
-__kvm_hyp_code_end:
- .globl __kvm_hyp_code_end
-
.popsection
--
1.8.3.4
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