Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Mon, 17 Aug 2020 18:21:56 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     "Guilherme G. Piccoli" <gpiccoli@canonical.com>
Cc:     jan.kiszka@siemens.com, jbeulich@suse.com,
        linux-kernel@vger.kernel.org, marc.zyngier@arm.com,
        stable@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        "Guilherme G. Piccoli" <kernel@gpiccoli.net>,
        pedro.principeza@canonical.com
Subject: Re: [PATCH 4.19 35/47] x86/irq: Seperate unused system vectors from
 spurious entry again
Message-ID: <20200817162156.GA715236@kroah.com>
References: <c2b7a96a-122e-bdec-7368-d54700a55915@canonical.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <c2b7a96a-122e-bdec-7368-d54700a55915@canonical.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Aug 17, 2020 at 12:36:25PM -0300, Guilherme G. Piccoli wrote:
> Hi Greg / Thomas and all involved here. First, apologies for
> necro-bumping this thread, but I'm working a backport of this patch to
> kernel 4.15 (Ubuntu) and then I noticed we have it on stable, but only
> in 4.19+.
> 
> Since the fixes tag presents an old commit (since ~3.19), I'm curious if
> we have a special reason to not have it on long-term stables, like 4.9
> or 4.14. It's a subtle portion of arch code, so I'm afraid I didn't see
> something that prevents its backport for previous versions.

What is the git commit id of this patch you are referring to, you didn't
provide any context here :(

thanks,

greg k-h