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 0708B1C860C; Wed, 25 Feb 2026 07:46:33 +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=1772005594; cv=none; b=kTpESDSPzYVcb5If53dXAn+5y7FiqeecfOx73HLgaJz7sV72fJ8LITPEnJxZhNK/Hdv6nZQUSNQZe1CBuWM82u017AcUPZCZU7pz1CeV1Mood0yo8DsjvtU4ERH+C3dcYNvwTquJBqkLcZtIsmiSAKojPEeNdXwZAfytV9HjIcA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772005594; c=relaxed/simple; bh=lwbCFLraA1zhPh76lnhS66+D5N/BPfd7q3O/dprA6bA=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=qyvIVlAYxoJghtQy9Abrrc8fG+dcFMkN3TH2vETWH3NBzivc04xEeUcn3eD68BnftQHEZLDgjqLtLID2sxODls9bCQvz283Go8qr5J627f+LEgA+oVlAlfAp+E8TM6QtjLI/9OspaCQFUrBnpfdkmrOQ8YBwrjv53EtFk6LNKr0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nCEXZG6N; 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="nCEXZG6N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C488C116D0; Wed, 25 Feb 2026 07:46:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772005593; bh=lwbCFLraA1zhPh76lnhS66+D5N/BPfd7q3O/dprA6bA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nCEXZG6NuZLgPX4PiDjdple5EbvJyuxL6Hd5aFTiWGeQFnZaC8ewdw8lqFWsCgzvM zUQ6GINNi5Fb6IObSYFJDVI7YpL4WmDmllEIQhEuxYBTDP64+MD47X3jPedVJXDoBB 8c5Mr7HPd/tNigK/2aa8jky2JewdEdB0B3blFDa9ANjB5w8QMd7qdyKl8LVDa8wqh/ XKJlhnpjPFXg/FyZgKVrl9+MnA/68xdPxK6KeV641DE0pP2ASjZmF0B7H44jbvzUzD 3i32ZIXK6K4XSEvRHxFrteIoQiBZ3OsTZFEFyApcqZbBn20xs2C3/kFdcp1iD6BUQN +9looZGKvr+LA== Date: Tue, 24 Feb 2026 21:46:32 -1000 Message-ID: <1c3f0e92d2e16d31004a5489e91d63f3@kernel.org> From: Tejun Heo To: Andrea Righi Cc: linux-kernel@vger.kernel.org, sched-ext@lists.linux.dev, void@manifault.com, changwoo@igalia.com, emil@etsalapatis.com, stable@vger.kernel.org Subject: Re: [PATCH sched_ext/for-7.0-fixes] sched_ext: Disable preemption between scx_claim_exit() and kicking helper work In-Reply-To: References: <20260225050055.1069822-1-tj@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: On Wed, Feb 25, 2026 at 07:43:04AM +0100, Andrea Righi wrote: > I think the same race window already existed even before this commit, we > were just doing atomic_try_cmpxchg() directly, instead of using the > scx_claim_exit() helper. > > So, probably the right target should be f0e1a0643a59b ("sched_ext: > Implement BPF extensible scheduler class"). You're right. Updated the Fixes tag and stable Cc to v6.12+. Applied to sched_ext/for-7.0-fixes. Thanks. -- tejun