linux-kernel - Re: [PATCH] kvmclock: remove redundant variable 'size'

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Message-ID: <4dd131d8-80fc-d602-a1ed-ef35e97b485e@redhat.com>
Date:   Wed, 4 Jul 2018 23:43:57 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Colin King <colin.king@...onical.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        kvm@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kvmclock: remove redundant variable 'size'

On 02.07.2018 09:06, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Variable size is being assigned but is never used hence it is redundant
> and can be removed.
> 
> Cleans up clang warning:
> warning: variable ‘size’ set but not used [-Wunused-but-set-variable]
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  arch/x86/kernel/kvmclock.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
> index bf8d1eb7fca3..45c22ce941c1 100644
> --- a/arch/x86/kernel/kvmclock.c
> +++ b/arch/x86/kernel/kvmclock.c
> @@ -354,13 +354,10 @@ int __init kvm_setup_vsyscall_timeinfo(void)
>  	int cpu;
>  	u8 flags;
>  	struct pvclock_vcpu_time_info *vcpu_time;
> -	unsigned int size;
>  
>  	if (!hv_clock)
>  		return 0;
>  
> -	size = PAGE_ALIGN(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS);
> -
>  	cpu = get_cpu();
>  
>  	vcpu_time = &hv_clock[cpu].pvti;
> 

Reviewed-by: David Hildenbrand <david@...hat.com>

-- 

Thanks,

David / dhildenb