From da8d120fbafe1d3217d25ac45493538b37cff87c Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Sun, 3 Jul 2022 14:08:46 +0100 Subject: KVM: arm64: Add get_reg_by_id() as a sys_reg_desc retrieving helper find_reg_by_id() requires a sys_reg_param as input, which most users provide as a on-stack variable, but don't make any use of the result. Provide a helper that doesn't have this requirement and simplify the callers (all but one). Reviewed-by: Reiji Watanabe Signed-off-by: Marc Zyngier --- arch/arm64/kvm/vgic-sys-reg-v3.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'arch/arm64/kvm/vgic-sys-reg-v3.c') diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c index 07d5271e9f05..644acda33c7c 100644 --- a/arch/arm64/kvm/vgic-sys-reg-v3.c +++ b/arch/arm64/kvm/vgic-sys-reg-v3.c @@ -263,14 +263,10 @@ static const struct sys_reg_desc gic_v3_icc_reg_descs[] = { int vgic_v3_has_cpu_sysregs_attr(struct kvm_vcpu *vcpu, bool is_write, u64 id, u64 *reg) { - struct sys_reg_params params; u64 sysreg = (id & KVM_DEV_ARM_VGIC_SYSREG_MASK) | KVM_REG_SIZE_U64; - params.regval = *reg; - params.is_write = is_write; - - if (find_reg_by_id(sysreg, ¶ms, gic_v3_icc_reg_descs, - ARRAY_SIZE(gic_v3_icc_reg_descs))) + if (get_reg_by_id(sysreg, gic_v3_icc_reg_descs, + ARRAY_SIZE(gic_v3_icc_reg_descs))) return 0; return -ENXIO; -- cgit v1.2.3