Re: [PATCH] kvm: remove unused variable 'vcpu_book3s'

[Paul Mackerras]

On Tue, Dec 01, 2015 at 08:42:10PM -0300, Geyslan G. Bem wrote:
> The vcpu_book3s struct is assigned but never used. So remove it.
> 
> Signed-off-by: Geyslan G. Bem 

Thanks, applied to my kvm-ppc-next branch.

Paul.
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Re: [PATCH] kvm: remove unused variable 'vcpu_book3s'

[Daniel Axtens]

"Geyslan G. Bem"  writes:

> The vcpu_book3s struct is assigned but never used. So remove it.

Just out of interest, how did you find this? Compiler warning? Static
analysis? Manual inspection?

Thanks in advance!

Regards,
Daniel

>
> Signed-off-by: Geyslan G. Bem 
> ---
>  arch/powerpc/kvm/book3s_64_mmu.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/arch/powerpc/kvm/book3s_64_mmu.c 
> b/arch/powerpc/kvm/book3s_64_mmu.c
> index 774a253..9bf7031 100644
> --- a/arch/powerpc/kvm/book3s_64_mmu.c
> +++ b/arch/powerpc/kvm/book3s_64_mmu.c
> @@ -377,15 +377,12 @@ no_seg_found:
>  
>  static void kvmppc_mmu_book3s_64_slbmte(struct kvm_vcpu *vcpu, u64 rs, u64 
> rb)
>  {
> - struct kvmppc_vcpu_book3s *vcpu_book3s;
>   u64 esid, esid_1t;
>   int slb_nr;
>   struct kvmppc_slb *slbe;
>  
>   dprintk("KVM MMU: slbmte(0x%llx, 0x%llx)\n", rs, rb);
>  
> - vcpu_book3s = to_book3s(vcpu);
> -
>   esid = GET_ESID(rb);
>   esid_1t = GET_ESID_1T(rb);
>   slb_nr = rb & 0xfff;
> -- 
> 2.6.2
>
> ___
> Linuxppc-dev mailing list
> linuxppc-...@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev


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[PATCH] kvm: remove unused variable 'vcpu_book3s'

[Geyslan G. Bem]

The vcpu_book3s struct is assigned but never used. So remove it.

Signed-off-by: Geyslan G. Bem 
---
 arch/powerpc/kvm/book3s_64_mmu.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index 774a253..9bf7031 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -377,15 +377,12 @@ no_seg_found:
 
 static void kvmppc_mmu_book3s_64_slbmte(struct kvm_vcpu *vcpu, u64 rs, u64 rb)
 {
-   struct kvmppc_vcpu_book3s *vcpu_book3s;
u64 esid, esid_1t;
int slb_nr;
struct kvmppc_slb *slbe;
 
dprintk("KVM MMU: slbmte(0x%llx, 0x%llx)\n", rs, rb);
 
-   vcpu_book3s = to_book3s(vcpu);
-
esid = GET_ESID(rb);
esid_1t = GET_ESID_1T(rb);
slb_nr = rb & 0xfff;
-- 
2.6.2

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Re: [PATCH] kvm: remove unused variable 'vcpu_book3s'

[Geyslan G. Bem]

2015-12-01 21:34 GMT-03:00 Daniel Axtens :
> "Geyslan G. Bem"  writes:
>
>> The vcpu_book3s struct is assigned but never used. So remove it.
>
> Just out of interest, how did you find this? Compiler warning? Static
> analysis? Manual inspection?

Sorry, I should have done the patch self contained. I caught it
through static analysis (cppcheck).

>
> Thanks in advance!

You're welcome.

>
> Regards,
> Daniel
>
>>
>> Signed-off-by: Geyslan G. Bem 
>> ---
>>  arch/powerpc/kvm/book3s_64_mmu.c | 3 ---
>>  1 file changed, 3 deletions(-)
>>
>> diff --git a/arch/powerpc/kvm/book3s_64_mmu.c 
>> b/arch/powerpc/kvm/book3s_64_mmu.c
>> index 774a253..9bf7031 100644
>> --- a/arch/powerpc/kvm/book3s_64_mmu.c
>> +++ b/arch/powerpc/kvm/book3s_64_mmu.c
>> @@ -377,15 +377,12 @@ no_seg_found:
>>
>>  static void kvmppc_mmu_book3s_64_slbmte(struct kvm_vcpu *vcpu, u64 rs, u64 
>> rb)
>>  {
>> - struct kvmppc_vcpu_book3s *vcpu_book3s;
>>   u64 esid, esid_1t;
>>   int slb_nr;
>>   struct kvmppc_slb *slbe;
>>
>>   dprintk("KVM MMU: slbmte(0x%llx, 0x%llx)\n", rs, rb);
>>
>> - vcpu_book3s = to_book3s(vcpu);
>> -
>>   esid = GET_ESID(rb);
>>   esid_1t = GET_ESID_1T(rb);
>>   slb_nr = rb & 0xfff;
>> --
>> 2.6.2
>>
>> ___
>> Linuxppc-dev mailing list
>> linuxppc-...@lists.ozlabs.org
>> https://lists.ozlabs.org/listinfo/linuxppc-dev



-- 
Regards,

Geyslan G. Bem
hackingbits.com
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