Messages in this thread Patch in this message | | | From | Greentime Hu <> | Subject | [PATCH v10 15/16] riscv: Add V extension to KVM ISA allow list | Date | Wed, 11 May 2022 08:31:25 +0000 |
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From: Vincent Chen <vincent.chen@sifive.com>
Add V extension to KVM_RISCV_ISA_ALLOWED list to enable VCPU to support V extension.
Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Greentime Hu <greentime.hu@sifive.com> --- 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
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