From: Paolo Bonzini <pbonzini@redhat.com>
To: Jinrong Liang <ljr.kernel@gmail.com>
Cc: Xianting Tian <xianting.tian@linux.alibaba.com>,
Jim Mattson <jmattson@google.com>,
Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 16/19] KVM: x86: Remove unused "vcpu" of kvm_arch_tsc_has_attr()
Date: Tue, 25 Jan 2022 17:31:06 +0100 [thread overview]
Message-ID: <5c5e274f-a09c-8a90-f7b1-51f969dd4c2d@redhat.com> (raw)
In-Reply-To: <20220125095909.38122-17-cloudliang@tencent.com>
On 1/25/22 10:59, Jinrong Liang wrote:
> From: Jinrong Liang <cloudliang@tencent.com>
>
> The "struct kvm_vcpu *vcpu" parameter of kvm_arch_tsc_has_attr()
> is not used, so remove it. No functional change intended.
>
> Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
> ---
> arch/x86/kvm/x86.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index df46d0737b85..22b73b918884 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -5003,8 +5003,7 @@ static int kvm_set_guest_paused(struct kvm_vcpu *vcpu)
> return 0;
> }
>
> -static int kvm_arch_tsc_has_attr(struct kvm_vcpu *vcpu,
> - struct kvm_device_attr *attr)
> +static int kvm_arch_tsc_has_attr(struct kvm_device_attr *attr)
> {
> int r;
>
> @@ -5099,7 +5098,7 @@ static int kvm_vcpu_ioctl_device_attr(struct kvm_vcpu *vcpu,
>
> switch (ioctl) {
> case KVM_HAS_DEVICE_ATTR:
> - r = kvm_arch_tsc_has_attr(vcpu, &attr);
> + r = kvm_arch_tsc_has_attr(&attr);
> break;
> case KVM_GET_DEVICE_ATTR:
> r = kvm_arch_tsc_get_attr(vcpu, &attr);
I can't make my mind on this. I think it's better to have the argument
in case some attributes depend on VM capabilities in the future.
Paolo
next prev parent reply other threads:[~2022-01-25 16:35 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 9:58 [PATCH 00/19] KVM: x86: Bulk removal of unused function parameters Jinrong Liang
2022-01-25 9:58 ` [PATCH 01/19] KVM: x86/mmu: Remove unused "kvm" of kvm_mmu_unlink_parents() Jinrong Liang
2022-01-25 9:58 ` [PATCH 02/19] KVM: x86/mmu: Remove unused "kvm" of __rmap_write_protect() Jinrong Liang
2022-01-25 9:58 ` [PATCH 03/19] KVM: x86/mmu: Remove unused "vcpu" of reset_{tdp,ept}_shadow_zero_bits_mask() Jinrong Liang
2022-01-25 9:58 ` [PATCH 04/19] KVM: x86/tdp_mmu: Remove unused "kvm" of kvm_tdp_mmu_get_root() Jinrong Liang
2022-01-25 9:58 ` [PATCH 05/19] KVM: x86/mmu_audit: Remove unused "level" of audit_spte_after_sync() Jinrong Liang
2022-01-25 9:58 ` [PATCH 06/19] KVM: x86/svm: Remove unused "vcpu" of svm_check_exit_valid() Jinrong Liang
2022-01-25 9:58 ` [PATCH 07/19] KVM: x86/svm: Remove unused "vcpu" of nested_svm_check_tlb_ctl() Jinrong Liang
2022-01-25 16:02 ` Paolo Bonzini
2022-01-25 9:58 ` [PATCH 08/19] KVM: x86: Remove unused "vcpu" of kvm_after_interrupt() Jinrong Liang
2022-01-25 9:58 ` [PATCH 09/19] KVM: x86/svm: Remove unused "svm" of sev_es_prepare_guest_switch() Jinrong Liang
2022-01-25 16:29 ` Paolo Bonzini
2022-01-25 9:59 ` [PATCH 10/19] KVM: x86/sev: Remove unused "kvm" of sev_unbind_asid() Jinrong Liang
2022-01-25 9:59 ` [PATCH 11/19] KVM: x86/svm: Remove unused "vector" of sev_vcpu_deliver_sipi_vector() Jinrong Liang
2022-01-25 16:16 ` Paolo Bonzini
2022-01-25 9:59 ` [PATCH 12/19] KVM: x86/i8259: Remove unused "addr" of elcr_ioport_{read,write}() Jinrong Liang
2022-01-25 9:59 ` [PATCH 13/19] KVM: x86/ioapic: Remove unused "addr" and "length" of ioapic_read_indirect() Jinrong Liang
2022-01-25 9:59 ` [PATCH 14/19] KVM: x86/emulate: Remove unused "ctxt" of setup_syscalls_segments() Jinrong Liang
2022-01-25 9:59 ` [PATCH 15/19] KVM: x86/emulate: Remove unused "ctxt" of task_switch_{16, 32}() Jinrong Liang
2022-01-25 16:29 ` Paolo Bonzini
2022-01-25 9:59 ` [PATCH 16/19] KVM: x86: Remove unused "vcpu" of kvm_arch_tsc_has_attr() Jinrong Liang
2022-01-25 16:31 ` Paolo Bonzini [this message]
2022-01-25 9:59 ` [PATCH 17/19] KVM: x86: Remove unused "vcpu" of kvm_scale_tsc() Jinrong Liang
2022-01-25 9:59 ` [PATCH 18/19] KVM: Remove unused "kvm" of kvm_make_vcpu_request() Jinrong Liang
2022-01-25 9:59 ` [PATCH 19/19] KVM: Remove unused "flags" of kvm_pv_kick_cpu_op() Jinrong Liang
2022-01-25 16:32 ` [PATCH 00/19] KVM: x86: Bulk removal of unused function parameters Paolo Bonzini
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