netdev - Re: ethtool - manual changes in ethtool-copy.h

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Date:   Tue, 29 Jan 2019 15:47:50 -0500
From:   "John W. Linville" <linville@...driver.com>
To:     Michal Kubecek <mkubecek@...e.cz>
Cc:     Maciej Żenczykowski <maze@...gle.com>,
        netdev@...r.kernel.org
Subject: Re: ethtool - manual changes in ethtool-copy.h

On Tue, Jan 29, 2019 at 09:28:42PM +0100, Michal Kubecek wrote:
> Hello,
> 
> I'm sorry I didn't notice earlier but ethtool commit 4df55c81996d
> ("ethtool: change to new sane powerpc64 kernel headers") adds changes to
> ethtool-copy.h which are not in sync with kernel file it is generated
> from.
> 
> This file is supposed to be a copy of the sanitized kernel UAPI header,
> i.e. what you get as include/linux/ethtool.h by "make headers_install"
> in kernel tree. (The copy in ethtool git is currently a bit behind but
> the missing recent changes only modify comments so that it's not really
> a problem.)
> 
> Modifying this file manually would mean that anyone who would update it
> in the future (to sync with kernel changes) could not simply copy the
> sanitized kernel header but would have to make sure to add your fragment
> to it.
> 
> As you only need to define the __SANE_USERSPACE_TYPES__ macro (on
> ppc64), it might be possible to achieve the same goal in Makefile.
> 
> Michal Kubecek

Ooops -- thanks for noticing that Michal!

Maciej, how soon might you be able to address this? What is the effect
of simply reverting it? Just warnings on ppc64 builds?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.