[PATCH v2 0/3] RISC-V: KVM: Cleanup SBI extension status when disable
Inochi Amaoto <[email protected]>
| Newsgroups | org.infradead.lists.kvm-riscv,org.infradead.lists.linux-riscv,org.kernel.vger.kvm,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
KVM SBI FWFT extension has multiple internal state can be programmed by the userspace. However, when the FWFT feature or the FWFT extension is disabled, the internal state will be kept as it is, which may cause some side effect for the vCPU, cleanup these state when a SBI extension or FWFT feature is disabled. Change from v1: - https://lore.kernel.org/kvm/[email protected] patch 2: 1. Check support callback existed before using it. Inochi Amaoto (3): RISC-V: KVM: Add SBI extension validate callback RISC-V: KVM: Add SBI FWFT validation support RISC-V: KVM: Reset the SBI extension when disable it arch/riscv/include/asm/kvm_vcpu_sbi.h | 4 ++++ arch/riscv/kvm/vcpu_config.c | 2 ++ arch/riscv/kvm/vcpu_sbi.c | 33 +++++++++++++++++++++++++++ arch/riscv/kvm/vcpu_sbi_fwft.c | 25 ++++++++++++++++++++ 4 files changed, 64 insertions(+) -- 2.55.0 -- kvm-riscv mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kvm-riscv