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Goncalves" , Andrew Morton , Boqun Feng , Ingo Molnar , John Ogness , Mel Gorman , Petr Mladek , Thomas Gleixner , Waiman Long , Will Deacon Subject: Re: [PATCH v2 1/2] seqlock: Do the lockdep annotation before locking in do_write_seqcount_begin_nested() Message-ID: <20230626124629.UDvM0W3m@linutronix.de> References: <20230623171232.892937-1-bigeasy@linutronix.de> <20230623171232.892937-2-bigeasy@linutronix.de> <20230626081254.XmorFrhs@linutronix.de> <0a0c768c-227d-c0cd-1b91-5a884d161c1b@I-love.SAKURA.ne.jp> <20230626104831.GT4253@hirez.programming.kicks-ass.net> <3a4ad958-a9a5-c367-a16d-bd89a173a628@I-love.SAKURA.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023-06-26 13:35:39 [+0200], Michal Hocko wrote: > Is there any reason to backport RT specific fixup to stable trees? I > mean seriously, is there any actual memory hotplug user using > PREEMPT_RT? I would be more than curious to hear the usecase. There is no need for stable backports for RT-only fixes. We have RT-stable trees for that. The reason why we fix it in the RT-stable tree is not have something broken that was known to work. Sebastian