From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) (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 A2501848E; Mon, 12 Feb 2024 13:38:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707745086; cv=none; b=cvAp4QTkYnouKaWRXKb/UmgeZ20YmrSaJlSiruDngr8HKfsyf8i5WFRg3IQM8+TlzszJBU0DNO+A5jEcWqoZjxyEJusGKkk1doDA3y+NcYHL8oSG5umdB1OK6PTYRzzBkJ2SA2iZxnJmUxy9gIzONDlfUQyw3pVQLV0w9tz4dxg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707745086; c=relaxed/simple; bh=lPAGNQ9qyBXFTL/v/7+iOjDr1xFtXIIoVf3l+u9WEdk=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=M3cvPROwWC4TKi2DKPa+l+lyuNrCRDxWkVkA0/YdEgYUEDmWZWNEKhiTUKNp09zcB6eJI++F8nrEy2hc07E6Qr3oCUToUllujY7eOztp8/NFsjjXLJJz9RswqrvMWr2KvGLYvZ6WYqydUoS+RxiTV879hzjNr8HPNjdT4WMG73U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=ie6b3+Dg; arc=none smtp.client-ip=217.70.183.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="ie6b3+Dg" Received: by mail.gandi.net (Postfix) with ESMTPSA id 481B41BF206; Mon, 12 Feb 2024 13:37:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1707745076; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Z7rOVuLO0xilSDJ3N64aVRj6PnVPEco4AT9htw6H2H4=; b=ie6b3+Dgxjr4F12aR7ja00IGv0kDHrgLsQfBeM4e67NBLH5C7IMRKZgVpnnOexMji6OOXm YFOjZoH+AQnY9lFkGeIKeR244NpvpPsUchrtXSmUnev77+bqCNmWQ/Y7QpV2zwuTlhOhJq znASmRBLlLlIlj8Vu34bvXPlOhI9sPJlm+8fAjkhjNijvebyiJSJmvsicnWq7mCUKnmDvU 0yEDZ0+wk/qOPBcxUl3sbnGmw8k6o7WjETQeI/Vvy1VXz/9szFs7UaBDdTcPbsRJJt/t4E s2lm9xx4yoXjyh8H0nmscBy17KOVTso2Ebadt7atZAarYpr2naLuRahLuo4spA== Date: Mon, 12 Feb 2024 14:37:53 +0100 From: Herve Codina To: Andy Shevchenko Cc: Vadim Fedorenko , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Yury Norov , Rasmus Villemoes , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Andrew Lunn , Mark Brown , Christophe Leroy , Thomas Petazzoni Subject: Re: [PATCH v3 RESEND 3/6] bitmap: Make bitmap_onto() available to users Message-ID: <20240212143753.620ddd6e@bootlin.com> In-Reply-To: References: <20240212075646.19114-1-herve.codina@bootlin.com> <20240212075646.19114-4-herve.codina@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.2.0 (GTK 3.24.38; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-GND-Sasl: herve.codina@bootlin.com Hi Andy, On Mon, 12 Feb 2024 14:27:16 +0200 Andy Shevchenko wrote: > On Mon, Feb 12, 2024 at 08:56:31AM +0100, Herve Codina wrote: > > Currently the bitmap_onto() is available only for CONFIG_NUMA=y case, > > while some users may benefit out of it and being independent to NUMA > > code. > > > > Make it available to users by moving out of ifdeffery and exporting for > > modules. > > Wondering if you are trying to have something like > https://lore.kernel.org/lkml/20230926052007.3917389-1-andriy.shevchenko@linux.intel.com/ > Yes, it looks like. Can you confirm that your bitmap_scatter() do the same operations as the existing bitmap_onto() ? If so, your bitmap_gather() will match my bitmap_off() (patch 4 in this series). Thanks, Hervé -- Hervé Codina, Bootlin Embedded Linux and Kernel engineering https://bootlin.com