On Fri, 2020-11-27 at 13:44 +0530, Anup Patel wrote: > On Mon, Aug 3, 2020 at 11:29 PM Atish Patra <atish.patra@xxxxxxx> > wrote: > > > > The Supervisor Binary Interface(SBI) specification[1] now defines a > > base extension that provides extendability to add future extensions > > while maintaining backward compatibility with previous versions. > > The new version is defined as 0.2 and older version is marked as > > 0.1. > > > > This series adds following features to RISC-V Linux KVM. > > 1. Adds support for SBI v0.2 in KVM > > 2. SBI Hart state management extension (HSM) in KVM > > 3. Ordered booting of guest vcpus in guest Linux > > > > This series depends on the base kvm support series[2]. > > > > Guest kernel needs to also support SBI v0.2 and HSM extension in > > Kernel > > to boot multiple vcpus. Linux kernel supports both starting v5.7. > > In absense of that, guest can only boot 1vcpu. > > > > [1] > > https://github.com/riscv/riscv-sbi-doc/blob/master/riscv-sbi.adoc > > [2] > > http://lists.infradead.org/pipermail/linux-riscv/2020-July/001028.html > > > > Atish Patra (6): > > RISC-V: Add a non-void return for sbi v02 functions > > RISC-V: Mark the existing SBI v0.1 implementation as legacy > > RISC-V: Reorganize SBI code by moving legacy SBI to its own file > > RISC-V: Add SBI v0.2 base extension > > RISC-V: Add v0.1 replacement SBI extensions defined in v02 > > RISC-V: Add SBI HSM extension in KVM > > > > arch/riscv/include/asm/kvm_vcpu_sbi.h | 32 +++++ > > arch/riscv/include/asm/sbi.h | 17 ++- > > arch/riscv/kernel/sbi.c | 32 ++--- > > arch/riscv/kvm/Makefile | 4 +- > > arch/riscv/kvm/vcpu.c | 19 +++ > > arch/riscv/kvm/vcpu_sbi.c | 194 ++++++++++++----------- > > --- > > arch/riscv/kvm/vcpu_sbi_base.c | 73 ++++++++++ > > arch/riscv/kvm/vcpu_sbi_hsm.c | 109 +++++++++++++++ > > arch/riscv/kvm/vcpu_sbi_legacy.c | 129 +++++++++++++++++ > > arch/riscv/kvm/vcpu_sbi_replace.c | 136 ++++++++++++++++++ > > 10 files changed, 619 insertions(+), 126 deletions(-) > > create mode 100644 arch/riscv/include/asm/kvm_vcpu_sbi.h > > create mode 100644 arch/riscv/kvm/vcpu_sbi_base.c > > create mode 100644 arch/riscv/kvm/vcpu_sbi_hsm.c > > create mode 100644 arch/riscv/kvm/vcpu_sbi_legacy.c > > create mode 100644 arch/riscv/kvm/vcpu_sbi_replace.c > > > > -- > > 2.24.0 > > > > Please implement the SBI SRST extension in your series. > Yeah. I will update the series as per new SRST extension. > Also, the PATCH1 can be merged separately so I would suggest > you to send this patch separately. > Sure will do that. > Regards, > Anup -- Regards, Atish
