Re: [PATCH -next] KVM: x86: remove set but not used variable 'called'

From: Dan Carpenter
Date: Tue Nov 19 2019 - 07:16:30 EST


On Tue, Nov 19, 2019 at 12:58:54PM +0100, Vitaly Kuznetsov wrote:
> Mao Wenan <maowenan@xxxxxxxxxx> writes:
>
> > Fixes gcc '-Wunused-but-set-variable' warning:
> >
> > arch/x86/kvm/x86.c: In function kvm_make_scan_ioapic_request_mask:
> > arch/x86/kvm/x86.c:7911:7: warning: variable called set but not
> > used [-Wunused-but-set-variable]
> >
> > It is not used since commit 7ee30bc132c6 ("KVM: x86: deliver KVM
> > IOAPIC scan request to target vCPUs")
>
> Better expressed as
>
> Fixes: 7ee30bc132c6 ("KVM: x86: deliver KVM IOAPIC scan request to target vCPUs")
>

There is sort of a debate about this whether the Fixes tag should be
used if it's only a cleanup.

regards,
dan carpenter