From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 738DA1CCEED for ; Sun, 17 Nov 2024 15:48:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.60.130.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731858533; cv=none; b=BghuPFo4LPlHBgm3hXxjX90Tz9QtDN+3sCZ1n6Iv0SHvdF5oZBVlx29Te2ShT/YTY00mwb/CEN5ntbt0lWmzo4dfb4UWx/hIj/HK1m53S5vjvB8saWZUR3VAkqgVMENQ6xMEIYoTb0NV2kr5GnaOM+nd5t5BlfLXbck57ZzD2v0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731858533; c=relaxed/simple; bh=R/YxH+YIXt1qpyupOvDwiHCZXj259Zfcqib56gCuWxs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JdYsEqoLiThC4HFZvfOvmVkD7BtcgYowYWqVe73+5/EP3/bCnvxyaMsJzquTKSN5/n7W5PnVsed05EouVozhwhtNeJKx4TBYrChVxHfZo3NENrIQSeng22vIpbYaslb6M01kEo4akOxy6yt+JOIBoTmllHCvAsTCXSsqITY7yR0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=KI+HA7yF; arc=none smtp.client-ip=178.60.130.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="KI+HA7yF" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=R/YxH+YIXt1qpyupOvDwiHCZXj259Zfcqib56gCuWxs=; b=KI+HA7yFBhjL8uL55w8WtsdWiO a/x2zBn8tLAxXModxV9nxV7UW3+AH+TW4b+1cKnSrZm2no5uFaxTkJ08Zk95L6PWP7bMgdaEbgc0e m9vVI7F6PesHpR21uy56/gThUU3OnFYlacm9JmfdOATGPB2oms1MINxRkeB5cE4rK2Nuh+PijcktD QsWu1GB4GfiqfSqOQh/V76gKbbdQT7bXo1acZwTEVCMFHC/jeFL+hiDmnP6x1QJ1H6jLmI5bNF9pi xUYU9LphqvKILoYvYYSvVfPdUi7CErMZU02mfhpVRnp5A6rQeKywg1kjp4cp57IGXjhpiRx/czINb CILfZTnQ==; Received: from [58.29.143.236] (helo=[192.168.1.6]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1tChVw-00885E-5l; Sun, 17 Nov 2024 16:48:40 +0100 Message-ID: Date: Mon, 18 Nov 2024 00:48:35 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/5] sched_ext: Implement scx_bpf_clock_get_ns() To: Peter Zijlstra Cc: tj@kernel.org, void@manifault.com, mingo@redhat.com, kernel-dev@igalia.com, linux-kernel@vger.kernel.org, Changwoo Min References: <20241116160126.29454-1-changwoo@igalia.com> <20241116160126.29454-4-changwoo@igalia.com> <20241116193123.GP22801@noisy.programming.kicks-ass.net> From: Changwoo Min Content-Language: en-US, ko-KR, en-US-large, ko In-Reply-To: <20241116193123.GP22801@noisy.programming.kicks-ass.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hello, On 24. 11. 17. 04:31, Peter Zijlstra wrote: > Have you seen the insides of kernel/sched/clock.c ? Of course. :-) It would be super helpful if you could let me know specific questions or comments. I didn't extend (or piggyback) on the clock.c because, as I explained in the other email, I think it is overkill, creating dependencies between clock.c and the sched_ext code. Regards, Changwoo Min