Nobody is using __hyp_get_vectors anymore, so let's remove both implementations (hyp-stub and KVM). Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> --- arch/arm64/include/asm/virt.h | 12 ++++-------- arch/arm64/kernel/hyp-stub.S | 15 +-------------- arch/arm64/kvm/hyp-init.S | 7 +------ arch/arm64/kvm/hyp.S | 2 +- 4 files changed, 7 insertions(+), 29 deletions(-) diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h index f24f1eb72dc0..a7c9dfdd6430 100644 --- a/arch/arm64/include/asm/virt.h +++ b/arch/arm64/include/asm/virt.h @@ -24,28 +24,25 @@ * Any other value is used as a pointer to the function to call. */ -/* HVC_GET_VECTORS - Return the value of the vbar_el2 register. */ -#define HVC_GET_VECTORS 0 - /* * HVC_SET_VECTORS - Set the value of the vbar_el2 register. * * @x1: Physical address of the new vector table. */ -#define HVC_SET_VECTORS 1 +#define HVC_SET_VECTORS 0 /* * HVC_SOFT_RESTART - CPU soft reset, used by the cpu_soft_restart routine. */ -#define HVC_SOFT_RESTART 2 +#define HVC_SOFT_RESTART 1 /* * HVC_RESET_VECTORS - Restore the vectors to the original HYP stubs */ -#define HVC_RESET_VECTORS 3 +#define HVC_RESET_VECTORS 2 /* Max number of HYP stub hypercalls */ -#define HVC_STUB_HCALL_NR 4 +#define HVC_STUB_HCALL_NR 3 #define BOOT_CPU_MODE_EL1 (0xe11) #define BOOT_CPU_MODE_EL2 (0xe12) @@ -69,7 +66,6 @@ extern u32 __boot_cpu_mode[2]; void __hyp_set_vectors(phys_addr_t phys_vector_base); -phys_addr_t __hyp_get_vectors(void); void __hyp_reset_vectors(void); /* Reports the availability of HYP mode */ diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index a162182d5662..8ccdd549f7c7 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -61,12 +61,7 @@ el1_sync: cmp x30, #ESR_ELx_EC_HVC64 b.ne 9f // Not an HVC trap - cmp x0, #HVC_GET_VECTORS - b.ne 1f - mrs x0, vbar_el2 - b 9f - -1: cmp x0, #HVC_SET_VECTORS + cmp x0, #HVC_SET_VECTORS b.ne 2f msr vbar_el2, x1 b 9f @@ -124,14 +119,6 @@ ENDPROC(\label) * initialisation entry point. */ -ENTRY(__hyp_get_vectors) - str lr, [sp, #-16]! - mov x0, #HVC_GET_VECTORS - hvc #0 - ldr lr, [sp], #16 - ret -ENDPROC(__hyp_get_vectors) - ENTRY(__hyp_set_vectors) str lr, [sp, #-16]! mov x1, x0 diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S index 128d6e9732b9..cf01cdb8bc61 100644 --- a/arch/arm64/kvm/hyp-init.S +++ b/arch/arm64/kvm/hyp-init.S @@ -124,12 +124,7 @@ __do_hyp_init: ENDPROC(__kvm_hyp_init) ENTRY(__kvm_handle_stub_hvc) - cmp x0, #HVC_GET_VECTORS - b.ne 1f - mrs x0, vbar_el2 - b exit - -1: cmp x0, #HVC_SOFT_RESTART + cmp x0, #HVC_SOFT_RESTART b.ne 1f /* This is where we're about to jump, staying at EL2 */ diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index 2726635dceba..09391cf0c93c 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -36,7 +36,7 @@ * passed in x0. * * A function pointer with a value less than 0xfff has a special meaning, - * and is used to implement __hyp_get_vectors in the same way as in + * and is used to implement hyp stubs in the same way as in * arch/arm64/kernel/hyp_stub.S. * HVC behaves as a 'bl' call and will clobber lr. */ -- 2.11.0