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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Jacob Keller <jacob.e.keller@intel.com>
Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Wander Lairson Costa <wander@redhat.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>, tglx@linutronix.de,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Clark Williams <clrkwllms@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Simon Horman <horms@kernel.org>,
	"moderated list:INTEL ETHERNET DRIVERS" <intel-wired-lan@lists.osuosl.org>,
	"open list:NETWORKING DRIVERS" <netdev@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:Real-time Linux (PREEMPT_RT):Keyword:PREEMPT_RT" <linux-rt-devel@lists.linux.dev>
Subject: Re: [PATCH v2 1/4] Revert "igb: Disable threaded IRQ for
 igb_msix_other"
Message-ID: <20241111125345.T10WlDUG@linutronix.de>
References: <20241106111427.7272-1-wander@redhat.com>
 <1b0ecd28-8a59-4f06-b03e-45821143454d@intel.com>
 <20241108122829.Dsax0PwL@linutronix.de>
 <9f3fe7f3-9309-441c-a2c8-4ee8ad51550d@intel.com>
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In-Reply-To: <9f3fe7f3-9309-441c-a2c8-4ee8ad51550d@intel.com>

On 2024-11-08 15:00:48 [-0800], Jacob Keller wrote:
> 
> 
> On 11/8/2024 4:28 AM, Sebastian Andrzej Siewior wrote:
> > On 2024-11-08 13:20:28 [+0100], Przemek Kitszel wrote:
> >> I don't like to slow things down, but it would be great to have a Link:
> >> to the report, and the (minified) splat attached.
> > 
> > I don't have a splat, I just reviewed the original patch. Please do
> > delay this.

this clearly lacks a `not'

> > Sebastian
> 
> It will definitely splat on RT kernels at some point, if there is a
> spinlock.

exactly my point.

Sebastian