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| author | Fuad Tabba <tabba@google.com> | 2024-06-03 13:28:50 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2024-06-04 15:06:33 +0100 |
| commit | a69283ae1db8dd416870d931caa9e2d3d2c1cd8b (patch) | |
| tree | 8237eb6239dfdc77bf435ab759b07edc8540c2bf /arch/arm64/include/asm/kvm_emulate.h | |
| parent | 1696fc2174dbab12228ea9ec4c213d6aeea348f8 (diff) | |
| download | linux-stable-a69283ae1db8dd416870d931caa9e2d3d2c1cd8b.tar.gz linux-stable-a69283ae1db8dd416870d931caa9e2d3d2c1cd8b.tar.bz2 linux-stable-a69283ae1db8dd416870d931caa9e2d3d2c1cd8b.zip | |
KVM: arm64: Refactor CPACR trap bit setting/clearing to use ELx format
When setting/clearing CPACR bits for EL0 and EL1, use the ELx
format of the bits, which covers both. This makes the code
clearer, and reduces the chances of accidentally missing a bit.
No functional change intended.
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20240603122852.3923848-9-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/kvm_emulate.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_emulate.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 2d7a0bdf9d03..21650e7924d4 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -632,17 +632,16 @@ static __always_inline u64 kvm_get_reset_cptr_el2(struct kvm_vcpu *vcpu) u64 val; if (has_vhe()) { - val = (CPACR_EL1_FPEN_EL0EN | CPACR_EL1_FPEN_EL1EN | - CPACR_EL1_ZEN_EL1EN); + val = (CPACR_ELx_FPEN | CPACR_EL1_ZEN_EL1EN); if (cpus_have_final_cap(ARM64_SME)) val |= CPACR_EL1_SMEN_EL1EN; } else if (has_hvhe()) { - val = (CPACR_EL1_FPEN_EL0EN | CPACR_EL1_FPEN_EL1EN); + val = CPACR_ELx_FPEN; if (!vcpu_has_sve(vcpu) || !guest_owns_fp_regs()) - val |= CPACR_EL1_ZEN_EL1EN | CPACR_EL1_ZEN_EL0EN; + val |= CPACR_ELx_ZEN; if (cpus_have_final_cap(ARM64_SME)) - val |= CPACR_EL1_SMEN_EL1EN | CPACR_EL1_SMEN_EL0EN; + val |= CPACR_ELx_SMEN; } else { val = CPTR_NVHE_EL2_RES1; |