linux-kernel - Re: [Xen-devel] [PATCH 2/3] drivers/xen/balloon.c: Various balloon features and fixes

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Date:	Wed, 29 Dec 2010 16:01:26 +0100
From:	Daniel Kiper <dkiper@...-space.pl>
To:	Ian Campbell <Ian.Campbell@...rix.com>
Cc:	Daniel Kiper <dkiper@...-space.pl>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"andi.kleen@...el.com" <andi.kleen@...el.com>,
	"haicheng.li@...ux.intel.com" <haicheng.li@...ux.intel.com>,
	"fengguang.wu@...el.com" <fengguang.wu@...el.com>,
	"jeremy@...p.org" <jeremy@...p.org>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	"v.tolstov@...fip.ru" <v.tolstov@...fip.ru>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [Xen-devel] [PATCH 2/3] drivers/xen/balloon.c: Various balloon features and fixes

Hi,

On Mon, Dec 20, 2010 at 02:51:44PM +0000, Ian Campbell wrote:
> On Mon, 2010-12-20 at 13:47 +0000, Daniel Kiper wrote:
> > Features and fixes:
> >   - HVM mode is supported now,
> >   - migration from mod_timer() to schedule_delayed_work(),
> >   - removal of driver_pages (I do not have seen any
> >     references to it),
> >   - protect before CPU exhaust by event/x process during
> >     errors by adding some delays in scheduling next event,
> >   - some other minor fixes.
>
> Each of those bullets should be a separate patch (or several if
> appropriate). I didn't review most of the rest because it mixed so much
> stuff together but a couple of minor things jumped out.

Done. I will send new patch release today.

> > -static void scrub_page(struct page *page)
> > +static inline void scrub_page(struct page *page)
>
> Is there some reason we need to override the compiler's decision here?
> There is some discussion of the (over)use of inline in CodingStyle.

Done.

> >  static struct attribute_group balloon_info_group = {
> >         .name = "info",
> > -       .attrs = balloon_info_attrs,
> > +       .attrs = balloon_info_attrs
> >  };
> >
> >  static struct sysdev_class balloon_sysdev_class = {
> > -       .name = BALLOON_CLASS_NAME,
> > +       .name = BALLOON_CLASS_NAME
> >  };
>
> I don't think there is anything wrong with the existing style here.

I do not insist on applying this patch however, this notation
is more readable for me. I am not confused by
comma which suggest that next attribut follow it.

Daniel
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