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| author | Marc Zyngier <maz@kernel.org> | 2020-10-29 20:20:49 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-11-10 14:22:52 +0300 |
| commit | 50f304532770c19a127b1e1b6769c0538abda58f (patch) | |
| tree | ab89e3aa74ae8ec0c8d0bee7a3954c1484c7fe31 | |
| parent | 2d27fd784893a767ec4162afc6d8c86eec2d1bfe (diff) | |
| download | linux-50f304532770c19a127b1e1b6769c0538abda58f.tar.xz | |
KVM: arm64: Drop is_aarch32 trap attribute
is_aarch32 is only used once, and can be trivially replaced by
testing Op0 instead. Drop it.
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 7 | ||||
| -rw-r--r-- | arch/arm64/kvm/sys_regs.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kvm/vgic-sys-reg-v3.c | 2 |
3 files changed, 2 insertions, 8 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index a4726cdbe16f..64fdfb64d791 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -213,7 +213,7 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu, * equivalent to ICC_SGI0R_EL1, as there is no "alternative" secure * group. */ - if (p->is_aarch32) { + if (p->Op0 == 0) { /* AArch32 */ switch (p->Op1) { default: /* Keep GCC quiet */ case 0: /* ICC_SGI1R */ @@ -224,7 +224,7 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu, g1 = false; break; } - } else { + } else { /* AArch64 */ switch (p->Op2) { default: /* Keep GCC quiet */ case 5: /* ICC_SGI1R_EL1 */ @@ -2175,7 +2175,6 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu, int Rt = kvm_vcpu_sys_get_rt(vcpu); int Rt2 = (esr >> 10) & 0x1f; - params.is_aarch32 = true; params.CRm = (esr >> 1) & 0xf; params.is_write = ((esr & 1) == 0); @@ -2225,7 +2224,6 @@ static int kvm_handle_cp_32(struct kvm_vcpu *vcpu, u32 esr = kvm_vcpu_get_esr(vcpu); int Rt = kvm_vcpu_sys_get_rt(vcpu); - params.is_aarch32 = true; params.CRm = (esr >> 1) & 0xf; params.regval = vcpu_get_reg(vcpu, Rt); params.is_write = ((esr & 1) == 0); @@ -2319,7 +2317,6 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu) trace_kvm_handle_sys_reg(esr); - params.is_aarch32 = false; params.Op0 = (esr >> 20) & 3; params.Op1 = (esr >> 14) & 0x7; params.CRn = (esr >> 10) & 0xf; diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h index 8c4958d6b5ce..416153b593a6 100644 --- a/arch/arm64/kvm/sys_regs.h +++ b/arch/arm64/kvm/sys_regs.h @@ -19,7 +19,6 @@ struct sys_reg_params { u8 Op2; u64 regval; bool is_write; - bool is_aarch32; }; struct sys_reg_desc { diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c index 806d6701a7da..07d5271e9f05 100644 --- a/arch/arm64/kvm/vgic-sys-reg-v3.c +++ b/arch/arm64/kvm/vgic-sys-reg-v3.c @@ -268,7 +268,6 @@ int vgic_v3_has_cpu_sysregs_attr(struct kvm_vcpu *vcpu, bool is_write, u64 id, params.regval = *reg; params.is_write = is_write; - params.is_aarch32 = false; if (find_reg_by_id(sysreg, ¶ms, gic_v3_icc_reg_descs, ARRAY_SIZE(gic_v3_icc_reg_descs))) @@ -287,7 +286,6 @@ int vgic_v3_cpu_sysregs_uaccess(struct kvm_vcpu *vcpu, bool is_write, u64 id, if (is_write) params.regval = *reg; params.is_write = is_write; - params.is_aarch32 = false; r = find_reg_by_id(sysreg, ¶ms, gic_v3_icc_reg_descs, ARRAY_SIZE(gic_v3_icc_reg_descs)); |