treewide: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

3 files changed, 39 insertions, 39 deletions

diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index fe6c7d79309d..5d690d60ccad 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -128,7 +128,7 @@ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu)
 	switch (ESR_ELx_EC(esr)) {
 	case ESR_ELx_EC_WATCHPT_LOW:
 		run->debug.arch.far = vcpu->arch.fault.far_el2;
-		/* fall through */
+		fallthrough;
 	case ESR_ELx_EC_SOFTSTP_LOW:
 	case ESR_ELx_EC_BREAKPT_LOW:
 	case ESR_ELx_EC_BKPT32:
diff --git a/arch/arm64/kvm/hyp/include/hyp/debug-sr.h b/arch/arm64/kvm/hyp/include/hyp/debug-sr.h
index 0297dc63988c..5e28ea6aa097 100644
--- a/arch/arm64/kvm/hyp/include/hyp/debug-sr.h
+++ b/arch/arm64/kvm/hyp/include/hyp/debug-sr.h
@@ -21,70 +21,70 @@
 #define save_debug(ptr,reg,nr)						\
 	switch (nr) {							\
 	case 15:	ptr[15] = read_debug(reg, 15);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 14:	ptr[14] = read_debug(reg, 14);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 13:	ptr[13] = read_debug(reg, 13);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 12:	ptr[12] = read_debug(reg, 12);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 11:	ptr[11] = read_debug(reg, 11);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 10:	ptr[10] = read_debug(reg, 10);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 9:		ptr[9] = read_debug(reg, 9);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 8:		ptr[8] = read_debug(reg, 8);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 7:		ptr[7] = read_debug(reg, 7);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 6:		ptr[6] = read_debug(reg, 6);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 5:		ptr[5] = read_debug(reg, 5);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 4:		ptr[4] = read_debug(reg, 4);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 3:		ptr[3] = read_debug(reg, 3);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 2:		ptr[2] = read_debug(reg, 2);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 1:		ptr[1] = read_debug(reg, 1);			\
-			/* Fall through */				\
+			fallthrough;					\
 	default:	ptr[0] = read_debug(reg, 0);			\
 	}
 
 #define restore_debug(ptr,reg,nr)					\
 	switch (nr) {							\
 	case 15:	write_debug(ptr[15], reg, 15);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 14:	write_debug(ptr[14], reg, 14);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 13:	write_debug(ptr[13], reg, 13);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 12:	write_debug(ptr[12], reg, 12);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 11:	write_debug(ptr[11], reg, 11);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 10:	write_debug(ptr[10], reg, 10);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 9:		write_debug(ptr[9], reg, 9);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 8:		write_debug(ptr[8], reg, 8);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 7:		write_debug(ptr[7], reg, 7);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 6:		write_debug(ptr[6], reg, 6);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 5:		write_debug(ptr[5], reg, 5);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 4:		write_debug(ptr[4], reg, 4);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 3:		write_debug(ptr[3], reg, 3);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 2:		write_debug(ptr[2], reg, 2);			\
-			/* Fall through */				\
+			fallthrough;					\
 	case 1:		write_debug(ptr[1], reg, 1);			\
-			/* Fall through */				\
+			fallthrough;					\
 	default:	write_debug(ptr[0], reg, 0);			\
 	}
 
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index 5a0073511efb..452f4cacd674 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -340,10 +340,10 @@ void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if)
 	case 7:
 		cpu_if->vgic_ap0r[3] = __vgic_v3_read_ap0rn(3);
 		cpu_if->vgic_ap0r[2] = __vgic_v3_read_ap0rn(2);
-		/* Fall through */
+		fallthrough;
 	case 6:
 		cpu_if->vgic_ap0r[1] = __vgic_v3_read_ap0rn(1);
-		/* Fall through */
+		fallthrough;
 	default:
 		cpu_if->vgic_ap0r[0] = __vgic_v3_read_ap0rn(0);
 	}
@@ -352,10 +352,10 @@ void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if)
 	case 7:
 		cpu_if->vgic_ap1r[3] = __vgic_v3_read_ap1rn(3);
 		cpu_if->vgic_ap1r[2] = __vgic_v3_read_ap1rn(2);
-		/* Fall through */
+		fallthrough;
 	case 6:
 		cpu_if->vgic_ap1r[1] = __vgic_v3_read_ap1rn(1);
-		/* Fall through */
+		fallthrough;
 	default:
 		cpu_if->vgic_ap1r[0] = __vgic_v3_read_ap1rn(0);
 	}
@@ -373,10 +373,10 @@ void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if)
 	case 7:
 		__vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[3], 3);
 		__vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[2], 2);
-		/* Fall through */
+		fallthrough;
 	case 6:
 		__vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[1], 1);
-		/* Fall through */
+		fallthrough;
 	default:
 		__vgic_v3_write_ap0rn(cpu_if->vgic_ap0r[0], 0);
 	}
@@ -385,10 +385,10 @@ void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if)
 	case 7:
 		__vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[3], 3);
 		__vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[2], 2);
-		/* Fall through */
+		fallthrough;
 	case 6:
 		__vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[1], 1);
-		/* Fall through */
+		fallthrough;
 	default:
 		__vgic_v3_write_ap1rn(cpu_if->vgic_ap1r[0], 0);
 	}