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Date: Tue, 3 Feb 2026 16:52:19 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: wen.yang@linux.dev
Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6.1 0/3] net: Backlog NAPI threading for PREEMPT_RT
Message-ID: <2026020340-preseason-matchless-e51c@gregkh>
References: <cover.1768754220.git.wen.yang@linux.dev>
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In-Reply-To: <cover.1768754220.git.wen.yang@linux.dev>

On Mon, Jan 19, 2026 at 12:40:30AM +0800, wen.yang@linux.dev wrote:
> From: Wen Yang <wen.yang@linux.dev>
> 
> Backport three upstream commits to fix a warning on PREEMPT_RT kernels
> where raising SOFTIRQ from smp_call_functio triggers WARN_ON_ONCE()
> in do_softirq_post_smp_call_flush().

But PREEMPT_RT showed up for real in 6.12.y, NOT 6.1.y. We are reverting
PREEMPT_RT-only patches from the latest 6.6.y tree at the moment, why
are these needed here for 6.1.y at all?

confused,

greg k-h