KVM/riscv fixes for 7.2, take #1

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- 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
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Merge tag 'kvm-riscv-fixes-7.2-1' of https://github.com/kvm-riscv/linux into HEAD

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

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This commit is contained in:

Paolo Bonzini 2026-07-21 12:25:45 +02:00

parent e800decd9c 8d9c9b135b

commit e61e6fd4f1

10 changed files with 137 additions and 74 deletions

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10

arch/riscv/include/asm/kvm_host.h

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35

arch/riscv/kvm/aia.c

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6

arch/riscv/kvm/gstage.c

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3

arch/riscv/kvm/mmu.c

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68

arch/riscv/kvm/vcpu.c

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19

arch/riscv/kvm/vcpu_exit.c

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46

arch/riscv/kvm/vcpu_onereg.c

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4

arch/riscv/kvm/vcpu_pmu.c

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6

arch/riscv/kvm/vcpu_sbi_fwft.c

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14

arch/riscv/kvm/vcpu_vector.c

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