From nobody Mon Jun 22 15:22:12 2026 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 CE142C433F5 for ; Tue, 22 Mar 2022 02:35:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235490AbiCVCgw (ORCPT ); Mon, 21 Mar 2022 22:36:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235297AbiCVCgu (ORCPT ); Mon, 21 Mar 2022 22:36:50 -0400 Received: from out30-133.freemail.mail.aliyun.com (out30-133.freemail.mail.aliyun.com [115.124.30.133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE83913F83 for ; Mon, 21 Mar 2022 19:35:23 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R991e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=xhao@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0V7tl0.B_1647916519; Received: from localhost.localdomain(mailfrom:xhao@linux.alibaba.com fp:SMTPD_---0V7tl0.B_1647916519) by smtp.aliyun-inc.com(127.0.0.1); Tue, 22 Mar 2022 10:35:21 +0800 From: Xin Hao To: kbusch@kernel.org Cc: axboe@fb.com, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] nvme-pci: make use_threaded_interrupts mod-param read-only Date: Tue, 22 Mar 2022 10:35:12 +0800 Message-Id: <20220322023512.98644-1-xhao@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When I execute "insmod nvme.ko use_threaded_interrupts=3D1", I find it difficult to determine whether it is successful or not, So I want to add read-only parameter to '/sys/module/nvme/parameters/use_threaded_interrupts', When insmoded successfully. # cat /sys/module/nvme/parameters/use_threaded_interrupts # 1 Signed-off-by: Xin Hao --- drivers/nvme/host/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 6a99ed680915..27cd20130021 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -44,7 +44,7 @@ #define NVME_MAX_SEGS 127 static int use_threaded_interrupts; -module_param(use_threaded_interrupts, int, 0); +module_param(use_threaded_interrupts, int, 0444); static bool use_cmb_sqes =3D true; module_param(use_cmb_sqes, bool, 0444); -- 2.31.0