From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-34.mta0.migadu.com [91.218.175.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F46D48A8C5 for ; Mon, 21 Sep 2026 17:46:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790012805; cv=none; b=hDkC90YV51jGONE3pZfqPuVSnH87/ZH3mU/xZER84Ag3+F4bRz4qEhIqEziUkEClnyBgV6TPvDd0VVIjWS9Dlgx9/pIwRTB2ATI7PLkuTUbPqWe9NmHUDluxvNxs5ZU2eKJop5V4IxjXASYBHr2BqbIdSfbr1GhU9xn03MJiIfM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790012805; c=relaxed/simple; bh=64lfCXfUKLeF20RwvIRRfQ2FAbTLlQvRGhRFhAU69ow=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JPmvJVT68Z1LOqVMn4I7uk10qmo3qVicG/amlnoW7LcO8z79VP/uJNPS1zx9Z35GR31fJSNCRE8LCNkxVLtcOhIDXubq3Hl6gGqgfuSR+61turlU07tkf6ZnsN9j0qI1JWlRAlmOhFMhyLjmNHjnorN99F92XDnt/QHAEeGjWEc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=CQp0lvGh; arc=none smtp.client-ip=91.218.175.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="CQp0lvGh" X-Envelope-To: sched-ext@lists.linux.dev DKIM-Signature: a=rsa-sha256; bh=64lfCXfUKLeF20RwvIRRfQ2FAbTLlQvRGhRFhAU69ow=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1790012802; v=1; x=1790617602; b=CQp0lvGhEUIwULRGwidEEZFO9V7On3HX/Fwi+WprCz46dULhaLOdDhidByqc74xC/nkHzSmT eehX24Z8plVmdXv1BIJMOnZ6eQa7uGc+gkzMphB/hdt3kJbAuYi+cKPXSPoVLKK7nkOVH3xDkDV kdU1zcwslnUImqpmHt+VN83c= X-Envelope-To: sched-ext@lists.linux.dev Received: by smtp.migadu.com with ESMTPS id 2c77fd262556d35a; Mon, 21 Sep 2026 17:46:32 +0000 X-Mizu-Trace-ID: 2c77fd262556d35a X-Migadu-Flow: FLOW_OUT Message-ID: <0dde6d25-540a-4acc-9375-0df16f1b835a@linux.dev> Date: Mon, 21 Sep 2026 18:46:28 +0100 Precedence: bulk X-Mailing-List: sched-ext@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] sched_ext: Specialize the DSQ hashtable compare To: Tejun Heo Cc: arighi@nvidia.com, bpf@vger.kernel.org, bsegall@google.com, changwoo@igalia.com, dietmar.eggemann@arm.com, etsal@meta.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, sched-ext@lists.linux.dev, vincent.guittot@linaro.org, void@manifault.com, vschneid@redhat.com, yphbchou0911@gmail.com References: <20260921171928.1639407-1-usama.arif@linux.dev> Content-Language: en-US From: Usama Arif In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 21/09/2026 18:40, Tejun Heo wrote: > Applied to sched_ext/for-7.4 with the dsq_cmpfn() signature joined onto one > line. > > scx_tid_hash and scx_sched_hash have the same u64 key and also fall back to > rhashtable_compare(). scx_bpf_tid_to_task() sits on hot paths too. Do you > want to do the same for them as a follow-up? Yes, let me send those as follow-ups! Thanks! > > Thanks. > > -- > tejun