[GIT PULL] KVM/riscv changes for 6.3

[Paolo Bonzini]

On Tue, Feb 7, 2023 at 6:36 PM Anup Patel <anup at brainfault.org> wrote:
>
> Hi Paolo,
>
> We have the following KVM RISC-V changes for 6.3:
> 1) Fix wrong usage of PGDIR_SIZE to check page sizes
> 2) Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
> 3) Redirect illegal instruction traps to guest
> 4) SBI PMU support for guest
>
> Please pull.
>
> I will send another PR for 6.3 containing AIA CSR
> virtualization after Palmer has sent his first PR for 6.3
> so that I can resolve conflicts with arch/riscv changes.
> I hope you are okay with this ??

Yes, it's fine to have it separate.

But please send it now, solving the conflicts is either my task or Linus's.

Paolo


> Regards,
> Anup
>
> The following changes since commit 4ec5183ec48656cec489c49f989c508b68b518e3:
>
>   Linux 6.2-rc7 (2023-02-05 13:13:28 -0800)
>
> are available in the Git repository at:
>
>   https://github.com/kvm-riscv/linux.git tags/kvm-riscv-6.3-1
>
> for you to fetch changes up to c39cea6f38eefe356d64d0bc1e1f2267e282cdd3:
>
>   RISC-V: KVM: Increment firmware pmu events (2023-02-07 20:36:08 +0530)
>
> ----------------------------------------------------------------
> KVM/riscv changes for 6.3
>
> - Fix wrong usage of PGDIR_SIZE to check page sizes
> - Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
> - Redirect illegal instruction traps to guest
> - SBI PMU support for guest
>
> ----------------------------------------------------------------
> Alexandre Ghiti (1):
>       KVM: RISC-V: Fix wrong usage of PGDIR_SIZE to check page sizes
>
> Andy Chiu (1):
>       RISC-V: KVM: Redirect illegal instruction traps to guest
>
> Anup Patel (1):
>       RISC-V: KVM: Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
>
> Atish Patra (14):
>       perf: RISC-V: Define helper functions expose hpm counter width and count
>       perf: RISC-V: Improve privilege mode filtering for perf
>       RISC-V: Improve SBI PMU extension related definitions
>       RISC-V: KVM: Define a probe function for SBI extension data structures
>       RISC-V: KVM: Return correct code for hsm stop function
>       RISC-V: KVM: Modify SBI extension handler to return SBI error code
>       RISC-V: KVM: Add skeleton support for perf
>       RISC-V: KVM: Add SBI PMU extension support
>       RISC-V: KVM: Make PMU functionality depend on Sscofpmf
>       RISC-V: KVM: Disable all hpmcounter access for VS/VU mode
>       RISC-V: KVM: Implement trap & emulate for hpmcounters
>       RISC-V: KVM: Implement perf support without sampling
>       RISC-V: KVM: Support firmware events
>       RISC-V: KVM: Increment firmware pmu events
>
>  arch/riscv/include/asm/kvm_host.h     |   4 +
>  arch/riscv/include/asm/kvm_vcpu_pmu.h | 107 ++++++
>  arch/riscv/include/asm/kvm_vcpu_sbi.h |  13 +-
>  arch/riscv/include/asm/sbi.h          |   7 +-
>  arch/riscv/kvm/Makefile               |   1 +
>  arch/riscv/kvm/main.c                 |   3 +-
>  arch/riscv/kvm/mmu.c                  |   8 +-
>  arch/riscv/kvm/tlb.c                  |   4 +
>  arch/riscv/kvm/vcpu.c                 |   7 +
>  arch/riscv/kvm/vcpu_exit.c            |   9 +
>  arch/riscv/kvm/vcpu_insn.c            |   4 +-
>  arch/riscv/kvm/vcpu_pmu.c             | 633 ++++++++++++++++++++++++++++++++++
>  arch/riscv/kvm/vcpu_sbi.c             |  72 ++--
>  arch/riscv/kvm/vcpu_sbi_base.c        |  27 +-
>  arch/riscv/kvm/vcpu_sbi_hsm.c         |  28 +-
>  arch/riscv/kvm/vcpu_sbi_pmu.c         |  86 +++++
>  arch/riscv/kvm/vcpu_sbi_replace.c     |  50 +--
>  arch/riscv/kvm/vcpu_sbi_v01.c         |  17 +-
>  drivers/perf/riscv_pmu_sbi.c          |  64 +++-
>  include/linux/perf/riscv_pmu.h        |   5 +
>  20 files changed, 1035 insertions(+), 114 deletions(-)
>  create mode 100644 arch/riscv/include/asm/kvm_vcpu_pmu.h
>  create mode 100644 arch/riscv/kvm/vcpu_pmu.c
>  create mode 100644 arch/riscv/kvm/vcpu_sbi_pmu.c
>