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authorAnup Patel2022-10-02 10:18:42 +0530
committerAnup Patel2022-10-02 10:18:42 +0530
commitbad6ea07c876a67c4d8f46b0c565ab500150720f (patch)
treeaac7956d7c598c90f86f07a9ca826ddbcc7a51ab /arch/riscv/kvm
parent5ff112484f2e63c5cac9f865181ca7ce467d0f89 (diff)
RISC-V: KVM: Allow Guest use Svinval extension
We should advertise Svinval ISA extension to KVM user-space whenever host supports it. This will allow KVM user-space (i.e. QEMU or KVMTOOL) to pass on this information to Guest via ISA string. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/kvm')
-rw-r--r--arch/riscv/kvm/vcpu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
index d0f08d5b4282..901bb5c0cb50 100644
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
@@ -53,6 +53,7 @@ static const unsigned long kvm_isa_ext_arr[] = {
RISCV_ISA_EXT_m,
RISCV_ISA_EXT_SVPBMT,
RISCV_ISA_EXT_SSTC,
+ RISCV_ISA_EXT_SVINVAL,
};
static unsigned long kvm_riscv_vcpu_base2isa_ext(unsigned long base_ext)
@@ -87,6 +88,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext)
case KVM_RISCV_ISA_EXT_I:
case KVM_RISCV_ISA_EXT_M:
case KVM_RISCV_ISA_EXT_SSTC:
+ case KVM_RISCV_ISA_EXT_SVINVAL:
return false;
default:
break;