linux-kernel - Re: [PATCH 16/18] tools include uapi: Grab a copy of linux/vhost.h

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Date:   Wed, 2 Aug 2017 18:44:14 +0300
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org,
        Adrian Hunter <adrian.hunter@...el.com>,
        David Ahern <dsahern@...il.com>,
        Jason Wang <jasowang@...hat.com>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH 16/18] tools include uapi: Grab a copy of linux/vhost.h

On Wed, Aug 02, 2017 at 11:18:37AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Aug 02, 2017 at 12:19:18AM +0300, Michael S. Tsirkin escreveu:
> > On Tue, Aug 01, 2017 at 04:56:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > > From: Arnaldo Carvalho de Melo <acme@...hat.com>
> > > 
> > > We will use it to generate tables for beautifying ioctl's 'cmd' arg.
> > > 
> > > Cc: Adrian Hunter <adrian.hunter@...el.com>
> > > Cc: David Ahern <dsahern@...il.com>
> > > Cc: Jason Wang <jasowang@...hat.com>
> > > Cc: Jiri Olsa <jolsa@...nel.org>
> > > Cc: "Michael S. Tsirkin" <mst@...hat.com>
> > > Cc: Namhyung Kim <namhyung@...nel.org>
> > > Cc: Wang Nan <wangnan0@...wei.com>
> > > Link: http://lkml.kernel.org/n/tip-nxwpq34hu6te1m2ra5m7o8n9@git.kernel.org
> > > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> > 
> > Is this what tools/perf always does? Isn't there a way
> > to reuse the single header?
> 
> So, that is how we did it at first, we tried to use files from the
> kernel from tools/ directly, and it worked most of the time.
> 
> Shortest summary: We don't want to add to the workload of kernel
> developers, they don't have to care about tools/, if they don't want to.

OK then, thanks for the explanation.

-- 
MST