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| author |   Marc Zyngier <maz@kernel.org> | 2025-04-09 14:30:05 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-04-11 13:08:24 +0100 |
| commit | efff9dd2fee7a5969b5b2a04995e638c3ba15826 (patch) | |
| tree | 4e5f19bf694105e8800436efa737864257008426 /scripts/lib/kdoc/kdoc_files.py | |
| parent | KVM: arm64: Don't let userspace write to PMCR_EL0.N when the vcpu has EL2 (diff) | |
| download | linux-rng-efff9dd2fee7a5969b5b2a04995e638c3ba15826.tar.xz linux-rng-efff9dd2fee7a5969b5b2a04995e638c3ba15826.zip | |
KVM: arm64: Handle out-of-bound write to MDCR_EL2.HPMN
We don't really pay attention to what gets written to MDCR_EL2.HPMN,
and funky guests could play ugly games on us.
Restrict what gets written there, and limit the number of counters
to what the PMU is allowed to have.
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
0 files changed, 0 insertions, 0 deletions