linux-kernel - Re: [PATCH] drivers/xen: use helper macro __ATTR

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Date:   Sat, 5 Mar 2022 20:42:56 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     zhanglianjie <zhanglianjie@...ontech.com>
Cc:     Juergen Gross <jgross@...e.com>,
        David Vrabel <david.vrabel@...rix.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH] drivers/xen: use helper macro __ATTR_RW

On Sat, Mar 05, 2022 at 11:33:58PM +0800, zhanglianjie wrote:
> Hi,
> 
> 在 2022/3/5 21:55, Greg Kroah-Hartman 写道:
> > On Sat, Mar 05, 2022 at 09:38:23PM +0800, zhanglianjie wrote:
> > > Use helper macro __ATTR_RW to define HYPERVISOR_ATTR_RW to make code more clear.
> > > Minor readability improvement.
> > > 
> > > Signed-off-by: zhanglianjie <zhanglianjie@...ontech.com>
> > 
> > Is this the name you sign legal documents with?  (I have to ask...)
> Yes, this is my signature.
> > 
> > > 
> > > diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
> > > index feb1d16252e7..fcb0792f090e 100644
> > > --- a/drivers/xen/sys-hypervisor.c
> > > +++ b/drivers/xen/sys-hypervisor.c
> > > @@ -22,11 +22,10 @@
> > >   #endif
> > > 
> > >   #define HYPERVISOR_ATTR_RO(_name) \
> > > -static struct hyp_sysfs_attr  _name##_attr = __ATTR_RO(_name)
> > > +static struct hyp_sysfs_attr _name##_attr = __ATTR_RO(_name)
> > 
> > Why change this line?  That's not relevant to this change :(
> > 
> There are two spaces between struct hyp_sysfs_attr and _name, by the way,
> modify it.

Coding style cleanups should be a separate patch, as each change should
only do one logical thing.

But hey, I'm not the maintainer of this file/driver, others might be
more lax.

good luck!

greg k-h