[PATCH v3 0/7] Risc-V Kvm Smstateen
Mayuresh Chitale
mchitale at ventanamicro.com
Mon Jul 24 07:20:26 PDT 2023
This series adds support to detect the Smstateen extension for both, the
host and the guest vcpu. It also adds senvcfg and sstateen0 to the ONE_REG
interface and the vcpu context save/restore.
Changes in v3:
- Move DT bindings change to a separate patch
Changes in v2:
- Add smstaeen description in riscv/extensions.yaml
- Avoid line wrap at 80 chars
Mayuresh Chitale (7):
RISC-V: Detect Smstateen extension
dt-bindings: riscv: Add smstateen entry
RISC-V: KVM: Add kvm_vcpu_config
RISC-V: KVM: Enable Smstateen accesses
RISCV: KVM: Add senvcfg context save/restore
RISCV: KVM: Add sstateen0 context save/restore
RISCV: KVM: Add sstateen0 to ONE_REG
.../devicetree/bindings/riscv/extensions.yaml | 6 +
arch/riscv/include/asm/csr.h | 18 +++
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/include/asm/kvm_host.h | 18 +++
arch/riscv/include/uapi/asm/kvm.h | 11 ++
arch/riscv/kernel/cpu.c | 1 +
arch/riscv/kernel/cpufeature.c | 1 +
arch/riscv/kvm/vcpu.c | 111 ++++++++++++++++--
8 files changed, 154 insertions(+), 13 deletions(-)
--
2.34.1
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