RISC-V: KVM: Make PMU functionality depend on Sscofpmf

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The privilege mode filtering feature must be available in the host so
that the host can inhibit the counters while the execution is in HS mode.
Otherwise, the guests may have access to critical guest information.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>

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Atish Patra 2023-02-07 01:55:24 -08:00 • committed by Anup Patel

parent cbddc4c4cb

commit 470926a290

1 changed files with 8 additions and 0 deletions

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arch/riscv/kvm/vcpu_pmu.c

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