LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Paolo Bonzini <pbonzini@redhat.com>
To: Joe Perches <joe@perches.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next 021/491] KERNEL VIRTUAL MACHINE FOR X86 (KVM/x86): Use fallthrough;
Date: Wed, 11 Mar 2020 10:43:33 +0100 [thread overview]
Message-ID: <205522b8-a0f2-9baf-7365-782be0668d74@redhat.com> (raw)
In-Reply-To: <e5314fc18acfe821da47ea52fa074b4c414f9266.1583896348.git.joe@perches.com>
On 11/03/20 05:51, Joe Perches wrote:
> Convert the various uses of fallthrough comments to fallthrough;
>
> Done via script
> Link: https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe.com/
>
> Signed-off-by: Joe Perches <joe@perches.com>
> ---
> arch/x86/kvm/emulate.c | 2 +-
> arch/x86/kvm/hyperv.c | 2 +-
> arch/x86/kvm/irq_comm.c | 2 +-
> arch/x86/kvm/lapic.c | 6 +++---
> arch/x86/kvm/mmu/mmu.c | 2 +-
> arch/x86/kvm/svm.c | 2 +-
> arch/x86/kvm/vmx/vmx.c | 15 +++++++--------
> arch/x86/kvm/x86.c | 12 ++++--------
> 8 files changed, 19 insertions(+), 24 deletions(-)
>
> diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
> index bc00642..bae4d8 100644
> --- a/arch/x86/kvm/emulate.c
> +++ b/arch/x86/kvm/emulate.c
> @@ -3025,7 +3025,7 @@ static void string_registers_quirk(struct x86_emulate_ctxt *ctxt)
> case 0xa4: /* movsb */
> case 0xa5: /* movsd/w */
> *reg_rmw(ctxt, VCPU_REGS_RSI) &= (u32)-1;
> - /* fall through */
> + fallthrough;
> case 0xaa: /* stosb */
> case 0xab: /* stosd/w */
> *reg_rmw(ctxt, VCPU_REGS_RDI) &= (u32)-1;
> diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
> index a86fda7..934bfb4 100644
> --- a/arch/x86/kvm/hyperv.c
> +++ b/arch/x86/kvm/hyperv.c
> @@ -1652,7 +1652,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
> ret = kvm_hvcall_signal_event(vcpu, fast, ingpa);
> if (ret != HV_STATUS_INVALID_PORT_ID)
> break;
> - /* fall through - maybe userspace knows this conn_id. */
> + fallthrough; /* maybe userspace knows this conn_id */
> case HVCALL_POST_MESSAGE:
> /* don't bother userspace if it has no way to handle it */
> if (unlikely(rep || !vcpu_to_synic(vcpu)->active)) {
> diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
> index c47d2a..4aa1c2e 100644
> --- a/arch/x86/kvm/irq_comm.c
> +++ b/arch/x86/kvm/irq_comm.c
> @@ -285,7 +285,7 @@ int kvm_set_routing_entry(struct kvm *kvm,
> switch (ue->u.irqchip.irqchip) {
> case KVM_IRQCHIP_PIC_SLAVE:
> e->irqchip.pin += PIC_NUM_PINS / 2;
> - /* fall through */
> + fallthrough;
> case KVM_IRQCHIP_PIC_MASTER:
> if (ue->u.irqchip.pin >= PIC_NUM_PINS / 2)
> return -EINVAL;
> diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
> index e3099c..64b7a9c 100644
> --- a/arch/x86/kvm/lapic.c
> +++ b/arch/x86/kvm/lapic.c
> @@ -1023,7 +1023,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
> switch (delivery_mode) {
> case APIC_DM_LOWEST:
> vcpu->arch.apic_arb_prio++;
> - /* fall through */
> + fallthrough;
> case APIC_DM_FIXED:
> if (unlikely(trig_mode && !level))
> break;
> @@ -1311,7 +1311,7 @@ static u32 __apic_read(struct kvm_lapic *apic, unsigned int offset)
> break;
> case APIC_TASKPRI:
> report_tpr_access(apic, false);
> - /* fall thru */
> + fallthrough;
> default:
> val = kvm_lapic_get_reg(apic, offset);
> break;
> @@ -1952,7 +1952,7 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val)
>
> case APIC_LVT0:
> apic_manage_nmi_watchdog(apic, val);
> - /* fall through */
> + fallthrough;
> case APIC_LVTTHMR:
> case APIC_LVTPC:
> case APIC_LVT1:
> diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
> index 87e9ba..8593cd 100644
> --- a/arch/x86/kvm/mmu/mmu.c
> +++ b/arch/x86/kvm/mmu/mmu.c
> @@ -4475,7 +4475,7 @@ __reset_rsvds_bits_mask(struct kvm_vcpu *vcpu,
> rsvd_bits(maxphyaddr, 51);
> rsvd_check->rsvd_bits_mask[1][4] =
> rsvd_check->rsvd_bits_mask[0][4];
> - /* fall through */
> + fallthrough;
> case PT64_ROOT_4LEVEL:
> rsvd_check->rsvd_bits_mask[0][3] = exb_bit_rsvd |
> nonleaf_bit8_rsvd | rsvd_bits(7, 7) |
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
> index 910005..73fa903 100644
> --- a/arch/x86/kvm/svm.c
> +++ b/arch/x86/kvm/svm.c
> @@ -4449,7 +4449,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
> case MSR_IA32_APICBASE:
> if (kvm_vcpu_apicv_active(vcpu))
> avic_update_vapic_bar(to_svm(vcpu), data);
> - /* Fall through */
> + fallthrough;
> default:
> return kvm_set_msr_common(vcpu, msr);
> }
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index 69c5bd..1577cd 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -4538,12 +4538,12 @@ static bool rmode_exception(struct kvm_vcpu *vcpu, int vec)
> vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
> if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP)
> return false;
> - /* fall through */
> + fallthrough;
> case DB_VECTOR:
> if (vcpu->guest_debug &
> (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))
> return false;
> - /* fall through */
> + fallthrough;
> case DE_VECTOR:
> case OF_VECTOR:
> case BR_VECTOR:
> @@ -4692,7 +4692,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
> }
> kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1;
> kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7);
> - /* fall through */
> + fallthrough;
> case BP_VECTOR:
> /*
> * Update instruction length as we may reinject #BP from
> @@ -5119,7 +5119,7 @@ static int handle_task_switch(struct kvm_vcpu *vcpu)
> error_code =
> vmcs_read32(IDT_VECTORING_ERROR_CODE);
> }
> - /* fall through */
> + fallthrough;
> case INTR_TYPE_SOFT_EXCEPTION:
> kvm_clear_exception_queue(vcpu);
> break;
> @@ -5469,8 +5469,7 @@ static int handle_invpcid(struct kvm_vcpu *vcpu)
> * global flush. If needed, we could optimize this later by
> * keeping track of global entries in shadow page tables.
> */
> -
> - /* fall-through */
> + fallthrough;
> case INVPCID_TYPE_ALL_INCL_GLOBAL:
> kvm_mmu_unload(vcpu);
> return kvm_skip_emulated_instruction(vcpu);
> @@ -6401,7 +6400,7 @@ static void __vmx_complete_interrupts(struct kvm_vcpu *vcpu,
> break;
> case INTR_TYPE_SOFT_EXCEPTION:
> vcpu->arch.event_exit_inst_len = vmcs_read32(instr_len_field);
> - /* fall through */
> + fallthrough;
> case INTR_TYPE_HARD_EXCEPTION:
> if (idt_vectoring_info & VECTORING_INFO_DELIVER_CODE_MASK) {
> u32 err = vmcs_read32(error_code_field);
> @@ -6411,7 +6410,7 @@ static void __vmx_complete_interrupts(struct kvm_vcpu *vcpu,
> break;
> case INTR_TYPE_SOFT_INTR:
> vcpu->arch.event_exit_inst_len = vmcs_read32(instr_len_field);
> - /* fall through */
> + fallthrough;
> case INTR_TYPE_EXT_INTR:
> kvm_queue_interrupt(vcpu, vector, type == INTR_TYPE_SOFT_INTR);
> break;
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 2bbc0e0..e6280e 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -1071,7 +1071,6 @@ static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)
> vcpu->arch.eff_db[dr] = val;
> break;
> case 4:
> - /* fall through */
> case 6:
> if (val & 0xffffffff00000000ULL)
> return -1; /* #GP */
> @@ -1079,7 +1078,6 @@ static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)
> kvm_update_dr6(vcpu);
> break;
> case 5:
> - /* fall through */
> default: /* 7 */
> if (!kvm_dr7_valid(val))
> return -1; /* #GP */
> @@ -1110,7 +1108,6 @@ int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val)
> *val = vcpu->arch.db[array_index_nospec(dr, size)];
> break;
> case 4:
> - /* fall through */
> case 6:
> if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
> *val = vcpu->arch.dr6;
> @@ -1118,7 +1115,6 @@ int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val)
> *val = kvm_x86_ops->get_dr6(vcpu);
> break;
> case 5:
> - /* fall through */
> default: /* 7 */
> *val = vcpu->arch.dr7;
> break;
> @@ -2885,7 +2881,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
>
> case MSR_K7_PERFCTR0 ... MSR_K7_PERFCTR3:
> case MSR_P6_PERFCTR0 ... MSR_P6_PERFCTR1:
> - pr = true; /* fall through */
> + pr = true;
> + fallthrough;
> case MSR_K7_EVNTSEL0 ... MSR_K7_EVNTSEL3:
> case MSR_P6_EVNTSEL0 ... MSR_P6_EVNTSEL1:
> if (kvm_pmu_is_valid_msr(vcpu, msr))
> @@ -4181,8 +4178,7 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
> case KVM_CAP_HYPERV_SYNIC2:
> if (cap->args[0])
> return -EINVAL;
> - /* fall through */
> -
> + fallthrough;
> case KVM_CAP_HYPERV_SYNIC:
> if (!irqchip_in_kernel(vcpu->kvm))
> return -EINVAL;
> @@ -8478,7 +8474,7 @@ static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu)
> vcpu->arch.pv.pv_unhalted = false;
> vcpu->arch.mp_state =
> KVM_MP_STATE_RUNNABLE;
> - /* fall through */
> + fallthrough;
> case KVM_MP_STATE_RUNNABLE:
> vcpu->arch.apf.halted = false;
> break;
>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
next prev parent reply other threads:[~2020-03-11 9:43 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 17:24 [PATCH -next 000/491] treewide: use fallthrough; Joe Perches
2020-03-11 4:51 ` [PATCH -next 001/491] MELLANOX ETHERNET INNOVA DRIVERS: Use fallthrough; Joe Perches
2020-03-11 7:01 ` Leon Romanovsky
2020-03-12 6:23 ` David Miller
2020-03-12 6:26 ` Joe Perches
2020-03-12 8:03 ` David Miller
2020-03-12 19:45 ` Jakub Kicinski
2020-03-12 19:52 ` Joe Perches
2020-03-11 4:51 ` [PATCH -next 002/491] MARVELL OCTEONTX2 RVU ADMIN FUNCTION DRIVER: " Joe Perches
2020-03-11 4:51 ` [PATCH -next 003/491] MELLANOX MLX5 core VPI driver: " Joe Perches
2020-03-11 7:00 ` Leon Romanovsky
2020-03-11 4:51 ` [PATCH -next 004/491] PERFORMANCE EVENTS SUBSYSTEM: " Joe Perches
2020-03-11 15:30 ` Peter Zijlstra
2020-03-12 6:15 ` Joe Perches
2020-03-11 19:20 ` Thomas Bogendoerfer
2020-03-11 4:51 ` [PATCH -next 005/491] ARM/UNIPHIER ARCHITECTURE: " Joe Perches
2020-03-11 5:15 ` Masahiro Yamada
2020-03-11 14:31 ` Joe Perches
2020-03-12 8:56 ` Greg Kroah-Hartman
2020-03-12 9:02 ` Masahiro Yamada
2020-03-12 9:36 ` Greg Kroah-Hartman
2020-03-12 9:37 ` Joe Perches
2020-03-12 13:47 ` Theodore Y. Ts'o
2020-03-12 14:15 ` Joe Perches
2020-03-12 9:03 ` Joe Perches
2020-03-11 4:51 ` [PATCH -next 006/491] ARM/RISCPC " Joe Perches
2020-03-12 10:11 ` Russell King - ARM Linux admin
2020-03-12 10:19 ` Joe Perches
2020-03-11 4:51 ` [PATCH -next 007/491] KERNEL VIRTUAL MACHINE FOR ARM/ARM64 (KVM/arm, KVM/arm64): " Joe Perches
2020-03-11 4:51 ` [PATCH -next 008/491] ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE: " Joe Perches
2020-03-13 19:26 ` Alexander Sverdlin
2020-03-11 4:51 ` [PATCH -next 009/491] ARM/Amlogic Meson SoC support: " Joe Perches
2020-03-11 4:51 ` [PATCH -next 010/491] ARM/SAMSUNG EXYNOS ARM ARCHITECTURES: " Joe Perches
2020-03-13 14:26 ` Wolfram Sang
2020-03-14 1:17 ` Stephen Boyd
2020-05-13 11:59 ` Sylwester Nawrocki
2020-03-11 4:51 ` [PATCH -next 011/491] ARM/QUALCOMM SUPPORT: " Joe Perches
2020-03-11 5:23 ` Amit Kucheria
2020-03-11 8:46 ` Marc Gonzalez
2020-03-11 14:30 ` Joe Perches
2020-03-13 12:04 ` Stanimir Varbanov
2020-03-11 4:51 ` [PATCH -next 012/491] ARM/ZTE ARCHITECTURE: " Joe Perches
2020-03-11 4:51 ` [PATCH -next 013/491] INGENIC JZ47xx SoCs: " Joe Perches
2020-03-11 7:40 ` Miquel Raynal
2020-03-11 14:20 ` Ulf Hansson
2020-03-11 14:29 ` Miquel Raynal
2020-03-12 6:26 ` Joe Perches
2020-03-11 4:51 ` [PATCH -next 014/491] DECSTATION PLATFORM SUPPORT: " Joe Perches
2020-03-11 19:19 ` Thomas Bogendoerfer
2020-03-11 4:51 ` [PATCH -next 015/491] KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips): " Joe Perches
2020-03-11 19:20 ` Thomas Bogendoerfer
2020-03-11 4:51 ` [PATCH -next 016/491] KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc): " Joe Perches
2020-03-19 1:18 ` Paul Mackerras
2020-03-19 1:22 ` Joe Perches
2020-03-19 23:33 ` Paul Mackerras
2020-03-11 4:51 ` [PATCH -next 017/491] CELL BROADBAND ENGINE ARCHITECTURE: " Joe Perches
2020-03-11 8:08 ` Arnd Bergmann
2020-03-26 12:06 ` Michael Ellerman
2020-03-11 4:51 ` [PATCH -next 018/491] KERNEL VIRTUAL MACHINE for s390 (KVM/s390): " Joe Perches
2020-03-11 11:33 ` Christian Borntraeger
2020-03-13 12:04 ` Christian Borntraeger
2020-03-11 4:51 ` [PATCH -next 019/491] Hyper-V CORE AND DRIVERS: " Joe Perches
2020-03-11 11:00 ` Wei Liu
2020-03-11 4:51 ` [PATCH -next 020/491] XEN HYPERVISOR INTERFACE: " Joe Perches
2020-03-11 6:47 ` Jürgen Groß
2020-03-11 4:51 ` [PATCH -next 021/491] KERNEL VIRTUAL MACHINE FOR X86 (KVM/x86): " Joe Perches
2020-03-11 9:43 ` Paolo Bonzini [this message]
2020-03-11 4:51 ` [PATCH -next 022/491] X86 MCE INFRASTRUCTURE: " Joe Perches
2020-03-11 17:14 ` Borislav Petkov
2020-03-11 4:51 ` [PATCH -next 023/491] AMD KFD: " Joe Perches
2020-03-11 21:50 ` Felix Kuehling
2020-03-11 22:09 ` Joe Perches
2020-03-12 14:12 ` Alex Deucher
2020-03-11 4:51 ` [PATCH -next 024/491] AMD DISPLAY CORE: " Joe Perches
2020-03-12 14:10 ` Alex Deucher
2020-03-11 4:51 ` [PATCH -next 025/491] AMD POWERPLAY: " Joe Perches
2020-03-12 14:10 ` Alex Deucher
2020-03-11 4:51 ` [PATCH -next 026/491] INTEL GVT-g DRIVERS (Intel GPU Virtualization): " Joe Perches
2020-03-11 4:51 ` [PATCH -next 027/491] AMD XGBE DRIVER: " Joe Perches
2020-03-11 4:51 ` [PATCH -next 028/491] BROADCOM BNX2X 10 GIGABIT ETHERNET " Joe Perches
2020-03-11 4:51 ` [PATCH -next 029/491] BROADCOM BNXT_EN 50 " Joe Perches
2020-03-11 4:51 ` [PATCH -next 030/491] BROADCOM GENET " Joe Perches
2020-03-11 16:35 ` Florian Fainelli
2020-03-11 4:51 ` [PATCH -next 031/491] BROCADE BNA 10 GIGABIT " Joe Perches
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=205522b8-a0f2-9baf-7365-782be0668d74@redhat.com \
--to=pbonzini@redhat.com \
--cc=bp@alien8.de \
--cc=hpa@zytor.com \
--cc=jmattson@google.com \
--cc=joe@perches.com \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sean.j.christopherson@intel.com \
--cc=tglx@linutronix.de \
--cc=vkuznets@redhat.com \
--cc=wanpengli@tencent.com \
--cc=x86@kernel.org \
--subject='Re: [PATCH -next 021/491] KERNEL VIRTUAL MACHINE FOR X86 (KVM/x86): Use fallthrough;' \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).