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 shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8817CC2A096 for ; Mon, 5 Jan 2026 10:52:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kernelnewbies.org; s=mail; h=Content-Transfer-Encoding:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Sender: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=V5F6Y4Wwg6sOqgM8qDYeaWbl/77MY6vcBfN6B5N1UTM=; b=mtGKBxm5fT9f05kXu8ww2eQhzm mjRHxvS0ZaIqvMKgO8cCjldNnqavWP0KNMhgJ1uPbs5Ti2sq0qI0DgvXKTv+ez8NbM7iHwvuVX5RW CMIiUdUo1L1plk2aGzc4ZcGiSpIjP+OnGP7wCWByIlvaIk0SgFaZl06jKcdeLMFdaBxyAzCNp9Zxt Fb8vu1f+mp/6Y/aA3i2PFTberTiiHE9/68hgUar1VH6NOgXNfUC+D4EstscNjatpUYhJH6vU7Y0dW 2Xx8jGUR4FYE2ttgoDVRrNnl4GtoOaFMpuacGy3+yGUeY8YHyTzmIWdmgNxqx6L+pcdq+Tvj0SjJo ZWnngbKw==; Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.97.1) (envelope-from ) id 1vchow-00000000503-34Lq; Mon, 05 Jan 2026 05:28:19 -0500 Received: from sea.source.kernel.org ([172.234.252.31]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.97.1) (envelope-from ) id 1vchma-0000000041w-2lTH for kernelnewbies@kernelnewbies.org; Mon, 05 Jan 2026 05:25:53 -0500 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 2EDC040C42; Mon, 5 Jan 2026 10:25:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 94F41C116D0; Mon, 5 Jan 2026 10:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767608752; bh=G4379yNOhsgmkHoyjHGxblBpKXieRsIBcUYBkv/WF54=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ur67CD79kL4Q1nUBw0z/msQghgbowOtCHUKQElmCpm6KL+JjpJFGyQWTk4XMpB5gs zBz5A7DmCAOrU2/cKTk6C60Xuc40brLoUmJ8uOhPul0S5OCUQcxKPLQQtCafqu4aHw OGV3WzxGjqpY1XTsIjUfc4JtoZ8AQ4tJJWNPGi84= Date: Mon, 5 Jan 2026 11:25:48 +0100 From: Greg KH To: Kevin Bube Subject: Re: [PATCH 0/2] UIO: Optional custom threaded IRQ handler Message-ID: <2026010526-aloe-postal-8f6d@gregkh> References: <20260103200631.4759-1-k.bube@web.de> <2026010409-t-shirt-eliminate-f864@gregkh> <87ms2sqs03.fsf@web.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <87ms2sqs03.fsf@web.de> Cc: kernelnewbies@kernelnewbies.org X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org On Mon, Jan 05, 2026 at 11:21:48AM +0100, Kevin Bube wrote: > Greg KH writes: > > On Sat, Jan 03, 2026 at 09:06:29PM +0100, Kevin Bube wrote: > >> Add an optional threaded IRQ handler to the generic UIO driver. This allows > >> driver developers to keep the fast IRQ handler small and move tasks to the IRQ > >> thread. We also update the documentation accordingly. > >> > >> Kevin Bube (2): > >> UIO: Add optional IRQ thread callback > >> Documentation: Document threaded IRQ handler for UIO > >> > >> Documentation/driver-api/uio-howto.rst | 8 ++++++++ > >> drivers/uio/uio.c | 6 +++++- > >> include/linux/uio_driver.h | 2 ++ > >> 3 files changed, 15 insertions(+), 1 deletion(-) > > > > But as no in-kernel driver now uses this, it will just be removed again > > :( > > > > Please always provide real users for api changes, otherwise we can't > > determine if they are actually working or not. > > I see. Thanks for taking a look. How was this tested if you don't have an actual user for it? Why add it if you don't have a user for it? confused, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies