From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C267C433EF for ; Wed, 13 Apr 2022 07:56:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233614AbiDMH6g (ORCPT ); Wed, 13 Apr 2022 03:58:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233630AbiDMH63 (ORCPT ); Wed, 13 Apr 2022 03:58:29 -0400 Received: from mail-oa1-x30.google.com (mail-oa1-x30.google.com [IPv6:2001:4860:4864:20::30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39E3A4DF75 for ; Wed, 13 Apr 2022 00:55:59 -0700 (PDT) Received: by mail-oa1-x30.google.com with SMTP id 586e51a60fabf-d39f741ba0so1170531fac.13 for ; Wed, 13 Apr 2022 00:55:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=saiO3xozlJfnjeF9niNY9jgioqx8n3ye+SErnO1w2gs=; b=D0vsNOnLvDkZjbwXhpdTabtDhPyZOg8Y1ofMWzyXe0Mb7aGjTX/+uylpL/S67Htvx1 /dWN0ijx0A9gGD8SDAEi3uu4jZFSaB+JR45xYRUHI0IyYVEgNKLwFIzOLkbKOcW4r7DG D2fkJs0SlXOi2ulq9gSAulNu7N8CdNeJ4bJVHYCWjkmE3pFEEia5V2e71CYHYduqDvXL XfNOCxU8haNVm5TKgtvV2RYv/3bS5Te6RIH0QN+lyx6WOrXAkYshakigN33Vuvn4I4F2 DwXDNh6Y8QSoLVZjGQuymj6LOlpr/vXOd+hzx+fbY/xXIebIZ/sH8YZ6TZG0NGMK1W5Y +XDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=saiO3xozlJfnjeF9niNY9jgioqx8n3ye+SErnO1w2gs=; b=tq2eP+n8SM1eQN0xFv2o0ODmzYhzFUCqj5zlifSJLArnKFEycR/TOKI/uqNOYPDBjl rNHOllLHxNPFZ0CAa3jTLPsDWrFLNPjRnTtxgLk6fX0j7lAQIKcbk+ehSFMPtq8aNxnK Ohcs8QX2F4wT1hvP0FGQBi9kpej2WtfnfVjTjYJ9oxyf3QBVmusSqGGM6Uyl/LAS0utx E9YZtxuWX3LWb8P4bO1VJAP2szjFqAchFyDhuzVJeOXfaDDMYruk9hAabPiMJyrgTih2 l8ZKtGZc+x7J8QshCfKakMi94Jvs9lOslaow6eXZ47mcE8u+r+Nj5ypx30zREIURwtA3 iYIA== X-Gm-Message-State: AOAM530Llx02eUXk5v7xWZ4leWTS93s/nqOryeH9SPfDSM+pp6kx0CzH IC4ePDif1dOOTjzQfXqmsfbp8kxKg5qaahx36AMsMlcJKG8= X-Google-Smtp-Source: ABdhPJxPj0eQgvjGzIpbk7b1VurrgQS15VSGX4YNn+xE8l0wtLgFbwuHIb91I5L33432iNY26zyCtR4PFcpWny9SOpY= X-Received: by 2002:a05:6870:b4a9:b0:e2:caee:a38a with SMTP id y41-20020a056870b4a900b000e2caeea38amr3793027oap.138.1649836558607; Wed, 13 Apr 2022 00:55:58 -0700 (PDT) MIME-Version: 1.0 References: <20220413071137.4023184-1-rfried.dev@gmail.com> In-Reply-To: From: Ramon Fried Date: Wed, 13 Apr 2022 10:55:47 +0300 Message-ID: Subject: Re: [PATCH] uio: make MAX_UIO_MAPS & MAX_UIO_PORT_REGIONS configurable To: Greg KH Cc: LKML Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 13, 2022 at 10:46 AM Greg KH wrote: > > On Wed, Apr 13, 2022 at 10:40:09AM +0300, Ramon Fried wrote: > > On Wed, Apr 13, 2022 at 10:28 AM Greg KH wrote: > > > > > > On Wed, Apr 13, 2022 at 10:11:37AM +0300, Ramon Fried wrote: > > > > MAX_UIO_MAPS and MAX_UIO_PORT_REGIONS are hard-coded to 5. > > > > This is not always sufficiant for some drivers. > > > > > > Why not? What in-kernel drivers need more than this? > > Obviously kernel drivers don't need more, but I'm developing a driver > > that needs more. > > Great, let's consider this change at the same time you submit your > driver, otherwise it doesn't make much sense now, right? NP. > > thanks, > > greg k-h