diff options
| author | Fuad Tabba <tabba@google.com> | 2025-08-07 13:01:33 +0100 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-08-08 01:29:32 -0700 |
| commit | f1edb159200ad1ef2fc518c7673cb9559a6f8edd (patch) | |
| tree | 418f9ed05235f3f8e84228cbdddcbdc569249b81 | |
| parent | 798eb597870064bff28d8a41cb5197725f7dc6f2 (diff) | |
arm64: vgic-v2: Fix guest endianness check in hVHE mode
In hVHE when running at the hypervisor, SCTLR_EL1 refers to the
hypervisor's System Control Register rather than the guest's. Make sure
to access the guest's register to determine its endianness.
Reported-by: Will Deacon <will@kernel.org>
Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20250807120133.871892-4-tabba@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
| -rw-r--r-- | arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c b/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c index 87a54375bd6e..78579b31a420 100644 --- a/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c +++ b/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c @@ -20,7 +20,7 @@ static bool __is_be(struct kvm_vcpu *vcpu) if (vcpu_mode_is_32bit(vcpu)) return !!(read_sysreg_el2(SYS_SPSR) & PSR_AA32_E_BIT); - return !!(read_sysreg(SCTLR_EL1) & SCTLR_ELx_EE); + return !!(read_sysreg_el1(SYS_SCTLR) & SCTLR_ELx_EE); } /* |