[PATCH v5 23/34] ARM: KVM: Convert __cpu_reset_hyp_mode to using __hyp_reset_vectors
Marc Zyngier
marc.zyngier at arm.com
Mon Apr 3 11:37:56 PDT 2017
We are now able to use the hyp stub to reset HYP mode. Time to
kiss __kvm_hyp_reset goodbye, and use __hyp_reset_vectors.
Tested-by: Keerthy <j-keerthy at ti.com>
Acked-by: Russell King <rmk+kernel at armlinux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas at arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
arch/arm/include/asm/kvm_asm.h | 2 --
arch/arm/include/asm/kvm_host.h | 2 +-
arch/arm/kvm/init.S | 2 --
3 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h
index 8ef05381984b..7ccb6f1aac5b 100644
--- a/arch/arm/include/asm/kvm_asm.h
+++ b/arch/arm/include/asm/kvm_asm.h
@@ -72,8 +72,6 @@ extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
extern void __init_stage2_translation(void);
-extern void __kvm_hyp_reset(unsigned long);
-
extern u64 __vgic_v3_get_ich_vtr_el2(void);
extern void __vgic_v3_init_lrs(void);
#endif
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 31ee468ce667..adea30753185 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -273,7 +273,7 @@ static inline void __cpu_init_stage2(void)
static inline void __cpu_reset_hyp_mode(unsigned long vector_ptr,
phys_addr_t phys_idmap_start)
{
- kvm_call_hyp((void *)virt_to_idmap(__kvm_hyp_reset), vector_ptr);
+ __hyp_reset_vectors();
}
static inline int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext)
diff --git a/arch/arm/kvm/init.S b/arch/arm/kvm/init.S
index d6b2f496fa13..fb336090ee9c 100644
--- a/arch/arm/kvm/init.S
+++ b/arch/arm/kvm/init.S
@@ -129,7 +129,6 @@ ENTRY(__kvm_handle_stub_hvc)
1: cmp r0, #HVC_RESET_VECTORS
bne 1f
-ENTRY(__kvm_hyp_reset)
/* We're now in idmap, disable MMU */
mrc p15, 4, r1, c1, c0, 0 @ HSCTLR
ldr r0, =(HSCTLR_M | HSCTLR_A | HSCTLR_C | HSCTLR_I)
@@ -151,7 +150,6 @@ ENTRY(__kvm_hyp_reset)
exit:
eret
ENDPROC(__kvm_handle_stub_hvc)
-ENDPROC(__kvm_hyp_reset)
.ltorg
--
2.11.0
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