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Thu, 08 Oct 2026 08:33:51 -0700 (PDT) From: Kayra Cizmeci To: jemmywong512@gmail.com Cc: sh_def@163.com, jstultz@google.com, bsegall@google.com, dietmar.eggemann@arm.com, juri.lelli@redhat.com, kprateek.nayak@amd.com, linux-kernel@vger.kernel.org, mgorman@suse.de, mingo@redhat.com, peterz@infradead.org, rostedt@goodmis.org, tim.c.chen@linux.intel.com, vincent.guittot@linaro.org, vschneid@redhat.com Subject: Re: [PATCH 0/3] sched: Fix proxy-exec use of curr and donor Date: Thu, 8 Oct 2026 18:33:48 +0300 Message-ID: <20261008153348.92684-1-kayracizmeci@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261008132604.98242-1-jemmywong512@gmail.com> References: <20261008132604.98242-1-jemmywong512@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > After the split between scheduling and execution context, update_se() > charges the open run interval to rq->curr. The tick and the runtime > sample still treated the donor as the task on CPU. Under proxy > execution the donor is blocked on a kernel mutex and the lock holder > is the task that runs. Please look at here: https://lore.kernel.org/lkml/20260913064722.1534766-1-sh_def@163.com/ I think y'all are trying to fix the same thing, no? (Or atleast similar in most ways.) Adding Hui and John to CC. Thanks, Kayra