[PATCH v3 0/4] Add Svadu Extension Support
Yong-Xuan Wang
yongxuan.wang at sifive.com
Thu Nov 2 05:01:21 PDT 2023
Svadu is a RISC-V extension for hardware updating of PTE A/D bits. This
patch set adds support to enable Svadu extension for both host and guest
OS.
---
v3:
- fix the control bit name to ADUE in PATCH1 and PATCH3
- update get-reg-list in PATCH4
v2:
- add Co-developed-by: in PATCH1
- use riscv_has_extension_unlikely() to runtime patch the branch in PATCH1
- update dt-binding
Yong-Xuan Wang (4):
RISC-V: Detect and Enable Svadu Extension Support
dt-bindings: riscv: Add Svadu Entry
RISC-V: KVM: Add Svadu Extension Support for Guest/VM
KVM: riscv: selftests: Add Svadu Extension to get-reg-list testt
.../devicetree/bindings/riscv/extensions.yaml | 6 ++++++
arch/riscv/include/asm/csr.h | 1 +
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/include/asm/pgtable.h | 6 ++++++
arch/riscv/include/uapi/asm/kvm.h | 1 +
arch/riscv/kernel/cpufeature.c | 1 +
arch/riscv/kvm/vcpu.c | 3 +++
arch/riscv/kvm/vcpu_onereg.c | 1 +
.../testing/selftests/kvm/riscv/get-reg-list.c | 18 ++++++++++++++++++
9 files changed, 38 insertions(+)
--
2.17.1
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