linux-kernel - Re: [PATCH RFC 0/4] Introduce uts

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Date: Wed, 31 Jan 2024 13:26:01 -0800
From: Greg KH <gregkh@...uxfoundation.org>
To: John Garry <john.g.garry@...cle.com>
Cc: mcgrof@...nel.org, russ.weight@...ux.dev, rafael@...nel.org,
	rostedt@...dmis.org, mhiramat@...nel.org,
	mathieu.desnoyers@...icios.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	keescook@...omium.org, masahiroy@...nel.org, nathan@...nel.org,
	nicolas@...sle.eu, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-kbuild@...r.kernel.org
Subject: Re: [PATCH RFC 0/4] Introduce uts_release

On Wed, Jan 31, 2024 at 05:16:09PM +0000, John Garry wrote:
> On 31/01/2024 16:22, Greg KH wrote:
> > > before:
> > > real    0m53.591s
> > > user    1m1.842s
> > > sys     0m9.161s
> > > 
> > > after:
> > > real    0m37.481s
> > > user    0m46.461s
> > > sys     0m7.199s
> > > 
> > > Sending as an RFC as I need to test more of the conversions and I would
> > > like to also convert more UTS_RELEASE users to prove this is proper
> > > approach.
> > I like it, I also think that v4l2 includes this as well as all of those
> > drivers seem to rebuild when this changes, does that not happen for you
> > too?
> 
> I didn't see that. Were you were building for arm64? I can see some v4l2
> configs enabled there for the vanilla defconfig (but none for x86-64).

Building for x86, maybe it's one of the other LINUX_VERSION type defines
we have, sorry, can't remember, it's been a long time since I looked
into it.

thanks,

greg k-h