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| author | Marc Zyngier <maz@kernel.org> | 2023-06-09 19:21:56 +0300 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2023-06-13 02:17:24 +0300 |
| commit | 75c76ab5a641b64e872b6e136b5edf8a72009cc6 (patch) | |
| tree | ddaf53563da7694b8ec42f3f4d87bdb815332438 /arch/arm64/kvm/hyp/vhe/switch.c | |
| parent | 6537565fd9b7f169cda025482f6de2646cf7b60a (diff) | |
| download | linux-75c76ab5a641b64e872b6e136b5edf8a72009cc6.tar.xz | |
KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration
Just like we repainted the early arm64 code, we need to update
the CPTR_EL2 accesses that are taking place in the nVHE code
when hVHE is used, making them look as if they were CPACR_EL1
accesses. Just like the VHE code.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230609162200.2024064-14-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/hyp/vhe/switch.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/vhe/switch.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c index 3d868e84c7a0..034777a23b74 100644 --- a/arch/arm64/kvm/hyp/vhe/switch.c +++ b/arch/arm64/kvm/hyp/vhe/switch.c @@ -84,7 +84,7 @@ static void __deactivate_traps(struct kvm_vcpu *vcpu) */ asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT)); - write_sysreg(CPACR_EL1_DEFAULT, cpacr_el1); + kvm_reset_cptr_el2(vcpu); if (!arm64_kernel_unmapped_at_el0()) host_vectors = __this_cpu_read(this_cpu_vector); |