From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 B4A13198856 for ; Thu, 5 Sep 2024 09:57:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725530230; cv=none; b=ut46UrnRLiQthJXEszbhZZ+LdxwyG/9hFZvVCUp9UDv593tdhKLywaGloXPZlm+00XyE+WXwkj4zRn6dvLQ1blDlStAjLo6yY1zmtAiaEqzdzjZTyaYTBk+5Qy3AaIVbMq4NBCFEMmQ8WmtjBrWGEUzpEw18GYxsm3yZK3rhY1M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725530230; c=relaxed/simple; bh=WOUyaQlK22gl63ndLjV532iR9uXuV8+zCzMOkrK95ac=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JRhuB8GbyGW4ib/74+O7BHnExnWpqLhiR2xyPQ+vJZ3VjKE5OeKrAbyZZq3Y2EHRe32bQ9WhpFshRgVcnOYfRhQ9zcAOrGRKkFsSwn9spkz23/CbZvElviY+7AR6/kJm/FXngEjme9I1tB4DQxArNkG23Ti+y78hrdlBR3nuiOY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=vsQH7WP8; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="vsQH7WP8" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=WOUyaQlK22gl63ndLjV532iR9uXuV8+zCzMOkrK95ac=; b=vsQH7WP8ot8oOYTpa6FYGee6H2 tfnG2pT99UMa3D84i55PS3MHh39uHep6+tff7mwUrf8+1ikTecKcUn9LwBOJqLWxiw68Rtfjig4QU 5CxVtri5Q3bB5GiA6oAsFxBQlj6f8r0YFstZXo9+Olh2Ps4ZVPC/lwS3lkWPYbpl1HYrSZoio6KJs O8GQyF90hpoh5HZ1kLFDVJXbAIxUMwWPmAfdxcO5LHDP7Y+/Culi6j7x5qBHhR2iD6K8qiYJxZLe1 vtH0Z6LHcTz/dPOMH64VylLwrcFpswRfl4SwvlkNQjHvNS2hLvxSyohRK9+2QpyNGQVNTK1kIgKDO ZllyMklg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1sm9Ef-00000002Cbt-1LRJ; Thu, 05 Sep 2024 09:57:06 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 39C01300599; Thu, 5 Sep 2024 11:57:06 +0200 (CEST) Date: Thu, 5 Sep 2024 11:57:06 +0200 From: Peter Zijlstra To: Jens Axboe Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de Subject: Re: [PATCH 3/4] sched/core: have io_schedule_prepare() return a long Message-ID: <20240905095706.GD15400@noisy.programming.kicks-ass.net> References: <20240819154259.215504-1-axboe@kernel.dk> <20240819154259.215504-4-axboe@kernel.dk> 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: <20240819154259.215504-4-axboe@kernel.dk> On Mon, Aug 19, 2024 at 09:39:48AM -0600, Jens Axboe wrote: > In preparation for needing more state then 32-bit on 64-bit archs, > switch it to a long instead. I'm confused, afaict you'll need all of *2* bits in the next patch.