From: Vincent Chen <[email protected]>
Add V extension to KVM_RISCV_ISA_ALLOWED list to enable VCPU
to support V extension.
Signed-off-by: Vincent Chen <[email protected]>
Signed-off-by: Greentime Hu <[email protected]>
---
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/kvm/vcpu.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 0734e42f74f2..02ad7cf64d1c 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -33,6 +33,7 @@ extern unsigned long elf_hwcap;
#define RISCV_ISA_EXT_m ('m' - 'a')
#define RISCV_ISA_EXT_s ('s' - 'a')
#define RISCV_ISA_EXT_u ('u' - 'a')
+#define RISCV_ISA_EXT_v ('v' - 'a')
/*
* Increse this to higher value as kernel support more ISA extensions.
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
index 7461f964d20a..c0a3be86d613 100644
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
@@ -39,7 +39,8 @@ const struct kvm_stats_header kvm_vcpu_stats_header = {
};
#define KVM_RISCV_ISA_DISABLE_ALLOWED (riscv_isa_extension_mask(d) | \
- riscv_isa_extension_mask(f))
+ riscv_isa_extension_mask(f) | \
+ riscv_isa_extension_mask(v))
#define KVM_RISCV_ISA_DISABLE_NOT_ALLOWED (riscv_isa_extension_mask(a) | \
riscv_isa_extension_mask(c) | \
--
2.17.1