diff mbox series

KVM: MIPS: Remove a "set but not used" variable

Message ID 20210406024911.2008046-1-chenhuacai@loongson.cn (mailing list archive)
State New, archived
Headers show
Series KVM: MIPS: Remove a "set but not used" variable | expand

Commit Message

Huacai Chen April 6, 2021, 2:49 a.m. UTC
This fix a build warning:

   arch/mips/kvm/vz.c: In function '_kvm_vz_restore_htimer':
>> arch/mips/kvm/vz.c:392:10: warning: variable 'freeze_time' set but not used [-Wunused-but-set-variable]
     392 |  ktime_t freeze_time;
         |          ^~~~~~~~~~~

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
 arch/mips/kvm/vz.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Huacai Chen May 14, 2021, 9:50 a.m. UTC | #1
ping

On Tue, Apr 6, 2021 at 10:48 AM Huacai Chen <chenhuacai@loongson.cn> wrote:
>
> This fix a build warning:
>
>    arch/mips/kvm/vz.c: In function '_kvm_vz_restore_htimer':
> >> arch/mips/kvm/vz.c:392:10: warning: variable 'freeze_time' set but not used [-Wunused-but-set-variable]
>      392 |  ktime_t freeze_time;
>          |          ^~~~~~~~~~~
>
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> ---
>  arch/mips/kvm/vz.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
> index d0d03bddbbba..e81dfdf7309e 100644
> --- a/arch/mips/kvm/vz.c
> +++ b/arch/mips/kvm/vz.c
> @@ -388,7 +388,6 @@ static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
>                                    u32 compare, u32 cause)
>  {
>         u32 start_count, after_count;
> -       ktime_t freeze_time;
>         unsigned long flags;
>
>         /*
> @@ -396,7 +395,7 @@ static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
>          * this with interrupts disabled to avoid latency.
>          */
>         local_irq_save(flags);
> -       freeze_time = kvm_mips_freeze_hrtimer(vcpu, &start_count);
> +       kvm_mips_freeze_hrtimer(vcpu, &start_count);
>         write_c0_gtoffset(start_count - read_c0_count());
>         local_irq_restore(flags);
>
> --
> 2.27.0
>
Paolo Bonzini May 14, 2021, 9:58 a.m. UTC | #2
On 06/04/21 04:49, Huacai Chen wrote:
> This fix a build warning:
> 
>     arch/mips/kvm/vz.c: In function '_kvm_vz_restore_htimer':
>>> arch/mips/kvm/vz.c:392:10: warning: variable 'freeze_time' set but not used [-Wunused-but-set-variable]
>       392 |  ktime_t freeze_time;
>           |          ^~~~~~~~~~~
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> ---
>   arch/mips/kvm/vz.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
> index d0d03bddbbba..e81dfdf7309e 100644
> --- a/arch/mips/kvm/vz.c
> +++ b/arch/mips/kvm/vz.c
> @@ -388,7 +388,6 @@ static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
>   				   u32 compare, u32 cause)
>   {
>   	u32 start_count, after_count;
> -	ktime_t freeze_time;
>   	unsigned long flags;
>   
>   	/*
> @@ -396,7 +395,7 @@ static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
>   	 * this with interrupts disabled to avoid latency.
>   	 */
>   	local_irq_save(flags);
> -	freeze_time = kvm_mips_freeze_hrtimer(vcpu, &start_count);
> +	kvm_mips_freeze_hrtimer(vcpu, &start_count);
>   	write_c0_gtoffset(start_count - read_c0_count());
>   	local_irq_restore(flags);
>   
> 

Queued, thanks.

Paolo
Huacai Chen Sept. 1, 2021, 8:32 a.m. UTC | #3
Hi, Paolo,

On Fri, May 14, 2021 at 5:58 PM Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> On 06/04/21 04:49, Huacai Chen wrote:
> > This fix a build warning:
> >
> >     arch/mips/kvm/vz.c: In function '_kvm_vz_restore_htimer':
> >>> arch/mips/kvm/vz.c:392:10: warning: variable 'freeze_time' set but not used [-Wunused-but-set-variable]
> >       392 |  ktime_t freeze_time;
> >           |          ^~~~~~~~~~~
> >
> > Reported-by: kernel test robot <lkp@intel.com>
> > Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> > ---
> >   arch/mips/kvm/vz.c | 3 +--
> >   1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
> > index d0d03bddbbba..e81dfdf7309e 100644
> > --- a/arch/mips/kvm/vz.c
> > +++ b/arch/mips/kvm/vz.c
> > @@ -388,7 +388,6 @@ static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
> >                                  u32 compare, u32 cause)
> >   {
> >       u32 start_count, after_count;
> > -     ktime_t freeze_time;
> >       unsigned long flags;
> >
> >       /*
> > @@ -396,7 +395,7 @@ static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
> >        * this with interrupts disabled to avoid latency.
> >        */
> >       local_irq_save(flags);
> > -     freeze_time = kvm_mips_freeze_hrtimer(vcpu, &start_count);
> > +     kvm_mips_freeze_hrtimer(vcpu, &start_count);
> >       write_c0_gtoffset(start_count - read_c0_count());
> >       local_irq_restore(flags);
> >
> >
>
> Queued, thanks.
LKP reminds me again and again :)

Huacai
>
> Paolo
>
diff mbox series

Patch

diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
index d0d03bddbbba..e81dfdf7309e 100644
--- a/arch/mips/kvm/vz.c
+++ b/arch/mips/kvm/vz.c
@@ -388,7 +388,6 @@  static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
 				   u32 compare, u32 cause)
 {
 	u32 start_count, after_count;
-	ktime_t freeze_time;
 	unsigned long flags;
 
 	/*
@@ -396,7 +395,7 @@  static void _kvm_vz_restore_htimer(struct kvm_vcpu *vcpu,
 	 * this with interrupts disabled to avoid latency.
 	 */
 	local_irq_save(flags);
-	freeze_time = kvm_mips_freeze_hrtimer(vcpu, &start_count);
+	kvm_mips_freeze_hrtimer(vcpu, &start_count);
 	write_c0_gtoffset(start_count - read_c0_count());
 	local_irq_restore(flags);