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 6CCC21534EC; Fri, 26 Sep 2025 04:12:53 +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=1758859978; cv=none; b=TLVShdo+d2zALVv0IZa4f4hKHDyyqOKQzALA6enytIZn69uo2slhoxqbKp9gfs8bYXKzpXYEAl5QbRTokJ2YBsG7nt4R9aAxkbGp4hzKIt2LAzi53luCo5F6cXkPHVpgdQTia31wVRI+su6EKGYjH2fOhKfghbRN3oTmHi++FOU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758859978; c=relaxed/simple; bh=r71dyMuWzIVRSntQa+6alrEDnNFtmiGyTEBddtv8Hrk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XxjahtCWzDGmbK25VmpM9tgHCN5MkUAobijZfzi4bAwccugj2l9qumWq0w3KNIoOF3HuXz7UtR9eyO100mjAwdGiqzy20nlvdoAPuuCl4oGbcHU2+0FwzjW36TSdTgdNREvAbyNj8aLHo0OeVireidSjfYFb8bktSyYhJDr4W9E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (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=bdXI1+zA; arc=none smtp.client-ip=198.137.202.133 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=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="bdXI1+zA" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=mKbSbSK3BStb89HCck4H2KoXqyWcXPFnuu+PYFF0RzM=; b=bdXI1+zAP8NCRd1wlQCH7LjtpW hWefG5vqCCZYmiH4MJMe8zf3hKP1bESPx8vZ2trsF4QHT9yEX2XMYL8kr5LdxMxohJbSVWoPH27ko JFk5QfyNZ4ZrWHzyfxE8WmwahEh/Wre6XxlZ/jxTkkQRF7yjYc1kGgRaYqLv8wK2DQzHiY7vN3Uiq 4ATMkRBBJ66y5G9S7UQeZwjkIqxyDRc78MsCKDVXg4Cr6P00sFlf1bUYdR66FegABFpbIARsoTd6i eYQwj4zh2kSsJtpx823ReoJFzqheX+y3jbeyj1EHAC9B3Vu4QQbk1cNvFTqe9hpaj0fae0WsCf1yf 4To6eClg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1v1zpF-0000000FdPf-1JZb; Fri, 26 Sep 2025 04:12:53 +0000 Date: Thu, 25 Sep 2025 21:12:53 -0700 From: Christoph Hellwig To: Philipp Reisner Cc: Zhu Yanjun , Jason Gunthorpe , Leon Romanovsky , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V3] rdma_rxe: call comp_handler without holding cq->cq_lock Message-ID: References: <20250925195640.32594-1-philipp.reisner@linbit.com> 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: <20250925195640.32594-1-philipp.reisner@linbit.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Thu, Sep 25, 2025 at 09:56:40PM +0200, Philipp Reisner wrote: > Allow the comp_handler callback implementation to call ib_poll_cq(). What completion handler is doing this? And even if someone is doing folks really should stop calling ib_poll_cq and use the proper CQ callbacks API anywau. Please help converting RDS and SMC so that we can kill the ib_poll_cq export entirely instead of spreading this brain damage.