netdev - Re: [PATCH 01/20] net-core: extending (hw_/wanted_/vlan

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Date:	Wed, 06 Apr 2011 02:45:38 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Mahesh Bandewar <maheshb@...gle.com>
Cc:	David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 01/20] net-core: extending (hw_/wanted_/vlan_)features
 fields to a bitmap.

On Tue, 2011-04-05 at 18:35 -0700, Mahesh Bandewar wrote:
> On Tue, Apr 5, 2011 at 6:27 PM, Ben Hutchings <bhutchings@...arflare.com> wrote:
> > On Tue, 2011-04-05 at 17:44 -0700, Mahesh Bandewar wrote:
> >> Converting current use of (hw_/wanted_/vlan_)features to
> >> legacy_(hw_/wanted_/vlan_)features to differntiate from the proposed usage.
> > [...]
> >> @@ -1029,44 +1065,51 @@ struct net_device {
> >>       struct list_head        napi_list;
> >>       struct list_head        unreg_list;
> >>
> >> +#define DEV_FEATURE_WORDS    2
> >> +#define      DEV_FEATURE_BITS        (DEV_FEATURE_WORDS*sizeof(long)*BITS_PER_BYTE)
> >> +#define LEGACY_FEATURE_WORD  0
> >> +
> >>       /* currently active device features */
> >> -     u32                     features;
> >> +     unsigned long           features;
> >>       /* user-changeable features */
> >> -     u32                     hw_features;
> >> +     DECLARE_BITMAP(hw_feature, DEV_FEATURE_BITS);
> > [...]
> >
> > Sorry, you can't get rid of hw_features without converting all the
> > callers at the same time.  All code has to remain compilable after each
> > single commit.
> >
> I thought I did! My "make allyesconfig; make all" went through. Did I
> miss something?

After 1 commit, or after all 20?

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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