diff options
| author | Marc Zyngier <maz@kernel.org> | 2022-07-03 16:08:46 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-07-17 13:55:32 +0300 |
| commit | da8d120fbafe1d3217d25ac45493538b37cff87c (patch) | |
| tree | 2a0d063a48d40d68080ebf063b1e1ae655079515 /arch/arm64/kvm/vgic-sys-reg-v3.c | |
| parent | a111daf0c53ae91e71fd2bfe7497862d14132e3e (diff) | |
| download | linux-da8d120fbafe1d3217d25ac45493538b37cff87c.tar.xz | |
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 <reijiw@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/vgic-sys-reg-v3.c')
| -rw-r--r-- | arch/arm64/kvm/vgic-sys-reg-v3.c | 8 |
1 files changed, 2 insertions, 6 deletions
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; |