From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 28D6817993 for ; Wed, 14 May 2025 16:38:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747240689; cv=none; b=bmw3BTYsrQj3v2e7v2LEiYO83jKqBCXb1/GlWh2bfwcvFosT0RywngQge+DQ+iPgReg24K5tklt0E5hT/bfVeLIw9njlj8GMaHUywctWLnZA2yhHF4zLidGClitOY7AuG+PNjGaaeT8aW7swo913o/rGIY4scHVBiNmbxN5S1ZU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747240689; c=relaxed/simple; bh=v7zf4XXuwJLVXVcM56Ut4k2cCMyk2LGNKG+tcwbHJjE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kbFHHUSF2YBN9QJ1otZyi/7VlB3cQ9RD1xNaTv1LZgIJDXAUxR3+6I5xw9+VJZtjEJb8MTvhMWiFgVcFGoiY4W39xGFU/Ytcx+i7YPE9n8KxJTOvUGMcUO5vOHZ5xlolHMW3KB42fC++Tihfx4ugoGAD1GOM7ofi2qGt1aLrXxM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bd+rc0E4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bd+rc0E4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 60121C4CEE3; Wed, 14 May 2025 16:38:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747240688; bh=v7zf4XXuwJLVXVcM56Ut4k2cCMyk2LGNKG+tcwbHJjE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bd+rc0E4hbESlSSaqoFXNBkqeIA/H7MHsMqucs5Syb66Yxzj9Qe+5YzPAExgh9+oC sF4mFL55XGTk3yjxSIPwVXd2h6TryooU4C+JEpq7tnf/DcY2N4HgFkPxedB5iuo72y +nv0X5SEBFrTq2u+toFfkfjwW85QBxLl32cAYAZtd1LwFRU55aFtoapjJyedtL96fm iXHSRpIpWXST0HxoklDBSBHrVF11Q0y63qlNqnq4XHzWXeWKpTXw9TuBqAmIcymzGD fMZpveRtz7m3PJLdzQRdiGIgWU7GAo1CWT526VpL9GD9QBEF8eS9eqcCYjv1q4JGZu fA5+Dx8jpPClQ== Date: Wed, 14 May 2025 12:38:05 -0400 From: Tejun Heo To: Andrea Righi Cc: David Vernet , Changwoo Min , linux-kernel@vger.kernel.org Subject: Re: [PATCH sched_ext/for-6.16] sched_ext: Explain the temporary situation around scx_root dereferences Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, May 14, 2025 at 11:10:25AM -0400, Tejun Heo wrote: > Naked scx_root dereferences are being used as temporary markers to indicate > that they need to be updated to point to the right scheduler instance. > Explain the situation. > > Signed-off-by: Tejun Heo > Cc: Andrea Righi Applied to sched_ext/for-6.16. Thanks. -- tejun