2020-03-11 05:08:17

by Joe Perches

[permalink] [raw]
Subject: [PATCH -next 018/491] KERNEL VIRTUAL MACHINE for s390 (KVM/s390): 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 <[email protected]>
---
arch/s390/kvm/gaccess.c | 23 +++++++++++++----------
arch/s390/kvm/interrupt.c | 2 +-
arch/s390/kvm/kvm-s390.c | 4 ++--
arch/s390/mm/gmap.c | 6 +++---
4 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 07d30f..47a67a 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -505,7 +505,7 @@ static int trans_exc(struct kvm_vcpu *vcpu, int code, unsigned long gva,
switch (prot) {
case PROT_TYPE_IEP:
tec->b61 = 1;
- /* FALL THROUGH */
+ fallthrough;
case PROT_TYPE_LA:
tec->b56 = 1;
break;
@@ -514,12 +514,12 @@ static int trans_exc(struct kvm_vcpu *vcpu, int code, unsigned long gva,
break;
case PROT_TYPE_ALC:
tec->b60 = 1;
- /* FALL THROUGH */
+ fallthrough;
case PROT_TYPE_DAT:
tec->b61 = 1;
break;
}
- /* FALL THROUGH */
+ fallthrough;
case PGM_ASCE_TYPE:
case PGM_PAGE_TRANSLATION:
case PGM_REGION_FIRST_TRANS:
@@ -534,7 +534,7 @@ static int trans_exc(struct kvm_vcpu *vcpu, int code, unsigned long gva,
tec->addr = gva >> PAGE_SHIFT;
tec->fsi = mode == GACC_STORE ? FSI_STORE : FSI_FETCH;
tec->as = psw_bits(vcpu->arch.sie_block->gpsw).as;
- /* FALL THROUGH */
+ fallthrough;
case PGM_ALEN_TRANSLATION:
case PGM_ALE_SEQUENCE:
case PGM_ASTE_VALIDITY:
@@ -677,7 +677,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva,
dat_protection |= rfte.p;
ptr = rfte.rto * PAGE_SIZE + vaddr.rsx * 8;
}
- /* fallthrough */
+ fallthrough;
case ASCE_TYPE_REGION2: {
union region2_table_entry rste;

@@ -695,7 +695,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva,
dat_protection |= rste.p;
ptr = rste.rto * PAGE_SIZE + vaddr.rtx * 8;
}
- /* fallthrough */
+ fallthrough;
case ASCE_TYPE_REGION3: {
union region3_table_entry rtte;

@@ -723,7 +723,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva,
dat_protection |= rtte.fc0.p;
ptr = rtte.fc0.sto * PAGE_SIZE + vaddr.sx * 8;
}
- /* fallthrough */
+ fallthrough;
case ASCE_TYPE_SEGMENT: {
union segment_table_entry ste;

@@ -1050,7 +1050,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
rc = gmap_shadow_r2t(sg, saddr, rfte.val, *fake);
if (rc)
return rc;
- } /* fallthrough */
+ }
+ fallthrough;
case ASCE_TYPE_REGION2: {
union region2_table_entry rste;

@@ -1076,7 +1077,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
rc = gmap_shadow_r3t(sg, saddr, rste.val, *fake);
if (rc)
return rc;
- } /* fallthrough */
+ }
+ fallthrough;
case ASCE_TYPE_REGION3: {
union region3_table_entry rtte;

@@ -1111,7 +1113,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
rc = gmap_shadow_sgt(sg, saddr, rtte.val, *fake);
if (rc)
return rc;
- } /* fallthrough */
+ }
+ fallthrough;
case ASCE_TYPE_SEGMENT: {
union segment_table_entry ste;

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 028167d6..819110 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -886,7 +886,7 @@ static int __must_check __deliver_prog(struct kvm_vcpu *vcpu)
case PGM_PRIMARY_AUTHORITY:
case PGM_SECONDARY_AUTHORITY:
nullifying = true;
- /* fall through */
+ fallthrough;
case PGM_SPACE_SWITCH:
rc = put_guest_lc(vcpu, pgm_info.trans_exc_code,
(u64 *)__LC_TRANS_EXC_CODE);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6b1842a..d590f3 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -3752,7 +3752,7 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
rc = kvm_s390_pv_set_cpu_state(vcpu, PV_CPU_STATE_OPR_LOAD);
break;
case KVM_MP_STATE_CHECK_STOP:
- /* fall through - CHECK_STOP and LOAD are not supported yet */
+ fallthrough; /* CHECK_STOP and LOAD are not supported yet */
default:
rc = -ENXIO;
}
@@ -4985,7 +4985,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
old->npages * PAGE_SIZE);
if (rc)
break;
- /* FALLTHROUGH */
+ fallthrough;
case KVM_MR_CREATE:
rc = gmap_map_segment(kvm->arch.gmap, mem->userspace_addr,
mem->guest_phys_addr, mem->memory_size);
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 27926a0..03c899 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -804,7 +804,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
if (*table & _REGION_ENTRY_INVALID)
return NULL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
- /* Fallthrough */
+ fallthrough;
case _ASCE_TYPE_REGION2:
table += (gaddr & _REGION2_INDEX) >> _REGION2_SHIFT;
if (level == 3)
@@ -812,7 +812,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
if (*table & _REGION_ENTRY_INVALID)
return NULL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
- /* Fallthrough */
+ fallthrough;
case _ASCE_TYPE_REGION3:
table += (gaddr & _REGION3_INDEX) >> _REGION3_SHIFT;
if (level == 2)
@@ -820,7 +820,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
if (*table & _REGION_ENTRY_INVALID)
return NULL;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
- /* Fallthrough */
+ fallthrough;
case _ASCE_TYPE_SEGMENT:
table += (gaddr & _SEGMENT_INDEX) >> _SEGMENT_SHIFT;
if (level == 1)
--
2.24.0


2020-03-11 11:33:55

by Christian Borntraeger

[permalink] [raw]
Subject: Re: [PATCH -next 018/491] KERNEL VIRTUAL MACHINE for s390 (KVM/s390): Use fallthrough;



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/

That link does not work. lore asks if this is the right one
https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe@perches.com/

Shall I fix that up when applying?

2020-03-13 12:06:27

by Christian Borntraeger

[permalink] [raw]
Subject: Re: [PATCH -next 018/491] KERNEL VIRTUAL MACHINE for s390 (KVM/s390): Use fallthrough;


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/

I have applied this with a fixed link.

>
> Signed-off-by: Joe Perches <[email protected]>
> ---
> arch/s390/kvm/gaccess.c | 23 +++++++++++++----------
> arch/s390/kvm/interrupt.c | 2 +-
> arch/s390/kvm/kvm-s390.c | 4 ++--
> arch/s390/mm/gmap.c | 6 +++---
> 4 files changed, 19 insertions(+), 16 deletions(-)
[...]