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bh=PqwF6CTuXeq+g+O4kDSfN50ZkhRT5kp25rJRvwHPMcI=; b=Zt2q2PrD6wFLokbQU71Rs1+GTzXllFXex0MMiwdX4MjEKr9z9gOJrUeQqam/hFdzaa7mki g/hkMmRLC1MiOnsh/Yey+fom476gN0shd6kiaX/dAGhd/+4ufEBEN1W/GKGM4A0I8QH2bb pjXC7GNwVpuEXtd/ZSGx44Uz83Qpqwz0Y6iPZZwvrRXR1cAzNVdjVn3zWTxQ8RWHDZoojN +ypTbR+g1vBz2OSUsMp3h6IUzxQ7JVppPJJeyXKpz43O3cmbDtnyQFi5UAkMkIbQYPFjLn JxQb86r8eLT91EG4urdxHmxOiienUDhAvctHZkpz3CNmFBGWc1uVMlOQTBlanA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1717579968; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=PqwF6CTuXeq+g+O4kDSfN50ZkhRT5kp25rJRvwHPMcI=; b=px31ShHVt0BtWQye4D7Rmd+CGJ4wSj2rDWjbybZnQrvi82q4iRNH0pTMA6Xwt7ctN7NP+n cyAi0Dc2KlPdQ/AA== From: Sebastian Andrzej Siewior To: Daniel Bristot de Oliveira Cc: Qais Yousef , Ingo Molnar , Peter Zijlstra , Juri Lelli , Steven Rostedt , Vincent Guittot , Thomas Gleixner , Alexander Viro , Christian Brauner , Andrew Morton , Jens Axboe , Metin Kaya , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org, Phil Auld Subject: Re: [PATCH v5 1/2] sched/rt: Clean up usage of rt_task() Message-ID: <20240605093246.4h0kCR67@linutronix.de> References: <20240604144228.1356121-1-qyousef@layalina.io> <20240604144228.1356121-2-qyousef@layalina.io> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: B2C57C0026 X-Stat-Signature: wz7ics6arbfk6nei1pafa7r4bbt5c46y X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1717579970-70010 X-HE-Meta: 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 iDVxOTe7 yNC+eWrgRT6PuFMNJ6lC5kzUeP3a04b53dCIT0efRvdKZxX+TuSXiqNvMKoqrlXZl8zGazdtC4SEo0nWszhwDmV4u/6C6MFL6tAhOdI1+eoWgZBiplnNzoHBX02YTs/b4M452jh1HlTW4cbOTrFBpE1mjxA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2024-06-04 17:57:46 [+0200], Daniel Bristot de Oliveira wrote: > On 6/4/24 16:42, Qais Yousef wrote: > > - (wakeup_rt && !dl_task(p) && !rt_task(p)) || > > + (wakeup_rt && !realtime_task(p)) || > > I do not like bikeshedding, and no hard feelings... > > But rt is a shortened version of realtime, and so it is making *it less* > clear that we also have DL here. Can SCHED_DL be considered a real-time scheduling class as in opposite to SCHED_BATCH for instance? Due to its requirements it fits for a real time scheduling class, right? And RT (as in real time) already includes SCHED_RR and SCHED_FIFO. > -- Daniel Sebastian