linux-kernel - [PATCH -next 016/491] KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc): Use fallthrough;

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Message-Id: <37a5342c67e1b68b9ad06aca8da245b0ff409692.1583896348.git.joe@perches.com>
Date:   Tue, 10 Mar 2020 21:51:30 -0700
From:   Joe Perches <joe@...ches.com>
To:     Paul Mackerras <paulus@...abs.org>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>, kvm-ppc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH -next 016/491] KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc): Use fallthrough;

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@...ches.com>
---
 arch/powerpc/kvm/book3s_32_mmu.c | 2 +-
 arch/powerpc/kvm/book3s_64_mmu.c | 2 +-
 arch/powerpc/kvm/book3s_pr.c     | 2 +-
 arch/powerpc/kvm/booke.c         | 6 +++---
 arch/powerpc/kvm/powerpc.c       | 1 -
 5 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c
index f21e734..3fbd57 100644
--- a/arch/powerpc/kvm/book3s_32_mmu.c
+++ b/arch/powerpc/kvm/book3s_32_mmu.c
@@ -234,7 +234,7 @@ static int kvmppc_mmu_book3s_32_xlate_pte(struct kvm_vcpu *vcpu, gva_t eaddr,
 				case 2:
 				case 6:
 					pte->may_write = true;
-					/* fall through */
+					fallthrough;
 				case 3:
 				case 5:
 				case 7:
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index 5991332..26b8b2 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -311,7 +311,7 @@ static int kvmppc_mmu_book3s_64_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
 	case 2:
 	case 6:
 		gpte->may_write = true;
-		/* fall through */
+		fallthrough;
 	case 3:
 	case 5:
 	case 7:
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 729a0f..7db3695 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -740,7 +740,7 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		    (vcpu->arch.hflags & BOOK3S_HFLAG_SPLIT_HACK) &&
 		    ((pte.raddr & SPLIT_HACK_MASK) == SPLIT_HACK_OFFS))
 			pte.raddr &= ~SPLIT_HACK_MASK;
-		/* fall through */
+		fallthrough;
 	case MSR_IR:
 		vcpu->arch.mmu.esid_to_vsid(vcpu, eaddr >> SID_SHIFT, &vsid);
 
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 7b27604..be47815 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -421,11 +421,11 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
 	case BOOKE_IRQPRIO_DATA_STORAGE:
 	case BOOKE_IRQPRIO_ALIGNMENT:
 		update_dear = true;
-		/* fall through */
+		fallthrough;
 	case BOOKE_IRQPRIO_INST_STORAGE:
 	case BOOKE_IRQPRIO_PROGRAM:
 		update_esr = true;
-		/* fall through */
+		fallthrough;
 	case BOOKE_IRQPRIO_ITLB_MISS:
 	case BOOKE_IRQPRIO_SYSCALL:
 	case BOOKE_IRQPRIO_FP_UNAVAIL:
@@ -459,7 +459,7 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
 	case BOOKE_IRQPRIO_DECREMENTER:
 	case BOOKE_IRQPRIO_FIT:
 		keep_irq = true;
-		/* fall through */
+		fallthrough;
 	case BOOKE_IRQPRIO_EXTERNAL:
 	case BOOKE_IRQPRIO_DBELL:
 		allowed = vcpu->arch.shared->msr & MSR_EE;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 1af96fb5..c242a79 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -525,7 +525,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 		r = 1;
 		break;
 	case KVM_CAP_PPC_GUEST_DEBUG_SSTEP:
-		/* fall through */
 	case KVM_CAP_PPC_PAIRED_SINGLES:
 	case KVM_CAP_PPC_OSI:
 	case KVM_CAP_PPC_GET_PVINFO:
-- 
2.24.0