From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4784D3E3C7B for ; Tue, 17 Mar 2026 14:40:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773758422; cv=none; b=oavxGEq5AYVtAOLs9PfSrnuUMZdRt1+dOU0vcttNExFyJlGqMc5+jGTwCOvEcoF4u2BKJqEuq1hGrbIzhPDMtM57GYOAo8UpAQvpTzOzb6v/XFtOKbgw326k29m4CwEDfItPfDnGHaawHjYG+C8Ftjmka9eGu6QRg9hJoS/vDAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773758422; c=relaxed/simple; bh=amKAvb7TwA6zeG59l3snDvfK9o/i+8FRbxx8V4j8fvM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tH4kUG2TqHXo6Fq9h54ypeh1yT3QCx2qknztDvaVsBZlmVkGQvmZhAhUo3nGSQ0b3+TZNPgfN9siw+/50VRZO2JXY8UzBtJLIjk0+Ub9e+6xCnXdAcBgYGqdeBzemYD/NGq0sB3r/zWo0DjmvCpWoA7ih5hC0LcMLkdo8+28qKo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=wWxP2fUd; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="wWxP2fUd" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=eaRZv27MBf1xPB03v0W1X91H673q0/qHz0DO0Krk6lU=; b=wWxP2fUdOlqPN7VgovmMT63oOX aEWRkZ0ny/kvaYpXGuhNlapQKdg4qB2wcrhU2tYbqMG88fbGFNtFLIhI6ZTEo5SNrTs5h9V+dyMMm DyLMusd5aEtKm6FsZoRMtTXbtoPPxp24L5nNluOSFpnZ8rtW2U/3RXOtDV5kgQCXLizryrkbgnHvZ JhygsOA7RknF5vtivkt1sHh+gOWudASpJLok04xGUUZsS4mArZ8S1anjz67ZbnnTHz4ZaWduBt0XM Dj7FET5iEl9PGG2oEY2V3kTQI5z83tMj0OUSXKxWLKzjcn6Jh9usslJxrG/TMJSy7zO/tr96TjPWV vFqX3g1Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2Vak-00000006dTJ-1KSi; Tue, 17 Mar 2026 14:40:18 +0000 Date: Tue, 17 Mar 2026 07:40:18 -0700 From: Christoph Hellwig To: Richard Weinberger Cc: Christoph Hellwig , Kuan-Wei Chiu , Andrew Morton , chengzhihao1 , jserv , eleanor15x , marscheng , linux-mtd , linux-kernel Subject: Re: [PATCH] lib/list_sort: introduce list_sort_nonatomic() and remove dummy cmp() calls Message-ID: References: <20260315193900.218737-1-visitorckw@gmail.com> <1295583760.42468.1773645957126.JavaMail.zimbra@nod.at> <218787364.49542.1773758321128.JavaMail.zimbra@nod.at> 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <218787364.49542.1773758321128.JavaMail.zimbra@nod.at> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Mar 17, 2026 at 03:38:41PM +0100, Richard Weinberger wrote: > ----- Ursprüngliche Mail ----- > >> For UBIFS, this patch doesn't alter the frequency, timing, or behavior > >> of the cond_resched() calls at all, so I am confident that this won't > >> introduce any regressions. > > > > I'd be tempted to drop the workaround and remove the cond_resched > > from ubifs given that entirely non-preemptible scheduling models are > > on their way out. > > arm32 still has no preempt-lazy. > This is one of the biggest platforms where UBIFS is still used. Time to fix that if it wants to stay alive.