[GIT PULL] KVM/riscv fixes for 7.2 take #1

[Paolo Bonzini]

On Sat, Jul 18, 2026 at 10:03 AM Anup Patel <anup at brainfault.org> wrote:
>
> Hi Paolo,
>
> We have the following fixes for the 7.2 kernel:
> 1) Avoid redundant page-table allocations in ioremap pcache topup
> 2) Apply SBI FWFT LOCK flag only on successful set
> 3) Bound SBI PMU counter mask scan to BITS_PER_LONG
> 4) Skip TLB flush when G-stage PTE becomes valid with Svvptc
> 5) Zicbo[m|z|p] block sizes should be always present in ONE_REG
> 6) Inject instruction access fault on unmapped guest fetch
> 7) Serialize virtual interrupt pending state updates using a raw spinlock
> 8) Fix Spectre-v1 in vector register access via ONE_REG

Pulled, thanks.

Paolo

>
> Please pull.
>
> Regards,
> Anup
>
> The following changes since commit a13c140cc289c0b7b3770bce5b3ad42ab35074aa:
>
>   Linux 7.2-rc3 (2026-07-12 14:16:39 -0700)
>
> are available in the Git repository at:
>
>   https://github.com/kvm-riscv/linux.git tags/kvm-riscv-fixes-7.2-1
>
> for you to fetch changes up to 8d9c9b135b5c23de9811a8426257cbd2fa024a99:
>
>   KVM: riscv: Fix Spectre-v1 in vector register access (2026-07-15
> 18:06:16 +0530)
>
> ----------------------------------------------------------------
> KVM/riscv fixes for 7.2, take #1
>
> - Avoid redundant page-table allocations in ioremap pcache topup
> - Apply SBI FWFT LOCK flag only on successful set
> - Bound SBI PMU counter mask scan to BITS_PER_LONG
> - Skip TLB flush when G-stage PTE becomes valid with Svvptc
> - Zicbo[m|z|p] block sizes should be always present in ONE_REG
> - Inject instruction access fault on unmapped guest fetch
> - Serialize virtual interrupt pending state updates using raw spinlock
> - Fix Spectre-v1 in vector register access via ONE_REG
>
> ----------------------------------------------------------------
> Anup Patel (1):
>       RISC-V: KVM: Zicbo[m|z|p] block sizes should be always present in ONE_REG
>
> Dylan.Wu (1):
>       riscv: kvm: Skip TLB flush when G-stage PTE becomes valid with Svvptc
>
> Fangyu Yu (1):
>       RISC-V: KVM: Avoid redundant page-table allocations in ioremap topup
>
> Qingwei Hu (1):
>       RISC-V: KVM: Inject instruction access fault on unmapped guest fetch
>
> SeungJu Cheon (1):
>       KVM: riscv: SBI FWFT: Apply LOCK flag only on successful set
>
> Shengwen Cheng (1):
>       KVM: riscv: PMU: Bound counter mask scan to BITS_PER_LONG
>
> Xie Bo (1):
>       RISC-V: KVM: Serialize virtual interrupt pending state updates
>
> Zongmin Zhou (1):
>       KVM: riscv: Fix Spectre-v1 in vector register access
>
>  arch/riscv/include/asm/kvm_host.h | 10 +++---
>  arch/riscv/kvm/aia.c              | 35 ++++++++++++++++----
>  arch/riscv/kvm/gstage.c           |  6 +++-
>  arch/riscv/kvm/mmu.c              |  3 +-
>  arch/riscv/kvm/vcpu.c             | 68 +++++++++++++++++++++++++++------------
>  arch/riscv/kvm/vcpu_exit.c        | 19 +++++++++++
>  arch/riscv/kvm/vcpu_onereg.c      | 46 +++++++-------------------
>  arch/riscv/kvm/vcpu_pmu.c         |  4 +--
>  arch/riscv/kvm/vcpu_sbi_fwft.c    |  6 ++--
>  arch/riscv/kvm/vcpu_vector.c      | 14 ++++++--
>  10 files changed, 137 insertions(+), 74 deletions(-)
>