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Date: Wed, 8 Aug 2018 10:40:49 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: "Jin, Yao" <yao.jin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>, stable@vger.kernel.org,
        "Jin, Yao" <yao.jin@intel.com>, "Liang, Kan" <kan.liang@intel.com>
Subject: Re: perf: Support uncore in 4.9.112
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On Wed, Aug 08, 2018 at 03:37:54PM +0800, Jin, Yao wrote:
>  182 files changed, 97061 insertions(+), 159 deletions(-)

Look at that, 97 thousand lines added :(

Yes, almost everything here is in tools/perf/ which leads me to ask why
can't you just run a newer kernel's perf on 4.9 and have all of this
support?  Why do you need these in the stable 4.9 release in order for
this to work properly?

And as you can see here, that's really way too big for a stable kernel
release, how can you justify it based on the stable kernel rules?

thanks,

greg k-h