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From: "Jiayuan Chen" <jiayuan.chen@linux.dev>
To: "Steven Rostedt" <rostedt@goodmis.org>,
	"Eric Dumazet" <edumazet@google.com>
Cc: netdev@vger.kernel.org,
	syzbot+9b35e9bc0951140d13e6@syzkaller.appspotmail.com,
	"David S. Miller" <davem@davemloft.net>,
	"David Ahern" <dsahern@kernel.org>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Simon Horman" <horms@kernel.org>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Clark Williams" <clrkwllms@kernel.org>,
	linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev
Subject: Re: [PATCH net v2] ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT
Date: Tue, 23 Dec 2025 02:38:05 +0000	[thread overview]
Message-ID: <7f7c32e627e7d0fd1be12865f253a67cd3af29a8@linux.dev> (raw)
In-Reply-To: <20251222122628.38e9bc89@gandalf.local.home>

December 23, 2025 at 01:26, "Steven Rostedt" <rostedt@goodmis.org mailto:rostedt@goodmis.org?to=%22Steven%20Rostedt%22%20%3Crostedt%40goodmis.org%3E > wrote:


> 
> On Mon, 22 Dec 2025 12:16:39 -0500
> Steven Rostedt <rostedt@goodmis.org> wrote:
> 
> > 
> > On Mon, 22 Dec 2025 09:50:58 +0100
> >  Eric Dumazet <edumazet@google.com> wrote:
> >  
> >  > Link: https://syzkaller.appspot.com/bug?extid=9b35e9bc0951140d13e6
> >  > Fixes: 951f788a80ff ("ipv6: fix a BUG in rt6_get_pcpu_route()") 
> >  
> >  I would rather find when PREEMPT_RT was added/enabled, there is no
> >  point blaming such an old commit
> >  which was correct at the time, and forcing pointless backports to old
> >  linux kernels. 
> >  
> >  Ack!
> > 
> Fixes: d2d6422f8bd1 ("x86: Allow to enable PREEMPT_RT.")
> 
> That was the first commit to enable PREEMPT_RT on any architecture (just
> happened to be x86).
> 
> -- Steve
>

Thanks Steve, it helped a lot !

      reply	other threads:[~2025-12-23  2:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-19  2:51 [PATCH net v2] ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT Jiayuan Chen
2025-12-22  8:50 ` Eric Dumazet
2025-12-22 17:16   ` Steven Rostedt
2025-12-22 17:26     ` Steven Rostedt
2025-12-23  2:38       ` Jiayuan Chen [this message]

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