linux-kernel - Re: [PATCH linux-next] KVM: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS

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Date:   Tue, 15 Nov 2022 17:40:24 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     guo.ziliang@....com.cn, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH linux-next] KVM: replace DEFINE_SIMPLE_ATTRIBUTE with
 DEFINE_DEBUGFS_ATTRIBUTE

On Tue, Nov 15, 2022, Paolo Bonzini wrote:
> On 11/15/22 18:31, Sean Christopherson wrote:
> > On Tue, Nov 15, 2022, guo.ziliang@....com.cn wrote:
> > > From: guo ziliang <guo.ziliang@....com.cn>
> > > Fix the following coccicheck warning:
> > > /virt/kvm/kvm_main.c: 3849: 0-23: WARNING: vcpu_get_pid_fops
> > > should be defined with DEFINE_DEBUGFS_ATTRIBUTE
> > > 
> > > Signed-off-by: guo ziliang <guo.ziliang@....com.cn>
> > > ---
> > > virt/kvm/kvm_main.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> > > index 2719e10..6e58aec 100644
> > > --- a/virt/kvm/kvm_main.c
> > > +++ b/virt/kvm/kvm_main.c
> > > @@ -3846,7 +3846,7 @@ static int vcpu_get_pid(void *data, u64 *val)
> > > return 0;
> > > }
> > > 
> > > -DEFINE_SIMPLE_ATTRIBUTE(vcpu_get_pid_fops, vcpu_get_pid, NULL, "%llu\n");
> > > ++DEFINE_DEBUGFS_ATTRIBUTE(vcpu_get_pid_fops, vcpu_get_pid, NULL, "%llu\n");
> > 
> > NAK, third time is not a charm.
> > 
> > https://lore.kernel.org/all/20221101072506.7307-1-liubo03@inspur.com
> > https://lore.kernel.org/all/20220815031228.64126-1-ye.xingchen@zte.com.cn
> 
> Screw it, I'm going to send a pull request just to delete that file.

Heh, I was seriously considering sending a patch to do that too.