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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D0C4C07E95 for ; Tue, 20 Jul 2021 12:34:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69B6760E0C for ; Tue, 20 Jul 2021 12:34:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238261AbhGTLxq (ORCPT ); Tue, 20 Jul 2021 07:53:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:37816 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238023AbhGTLxI (ORCPT ); Tue, 20 Jul 2021 07:53:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A260660E0C; Tue, 20 Jul 2021 12:33:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626784417; bh=qSaJndvw0eSPzb1gW9yIAvb9Vq6Nk50WPF3Eeahy8xI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lWEXZznuBByWEWzal9juxO4tCbTpRVgRt2IjaADVVKtIt04801gWWyA5y3l92/yKY I+O2F/oI5fzngTDM4/nXsP8pwdgs9XlNA8foJ5Jw+Vch+GEVZg5dqXHbovzl4WlX2n E2FjuLsBUC7HkPpaioprFRYyn7hfbiyZk8hcDPgrs3qZ47n22yK2pD1BTwWlDn93Mb aAqlmNE24nlUmSMrtZCMzkAD//zwk319AthEwYIdfV/KeBWC71sqcsk4kIhOXsULnP wdLK+lfpHn1oExM8R7xCt1gRANMc2rtfauoKFGmZeLvJbE5ECylm9c5FF1jmtEHrKj mtwR13LjcQQQQ== Date: Tue, 20 Jul 2021 13:33:32 +0100 From: Mark Brown To: alexandru.tachici@analog.com Cc: linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, nuno.sa@analog.com, bootc@bootc.net, swarren@wwwdotorg.org, bcm-kernel-feedback-list@broadcom.com, rjui@broadcom.com, f.fainelli@gmail.com, nsaenz@kernel.org Subject: Re: [PATCH 0/1] spi: spi-bcm2835: Fix deadlock Message-ID: <20210720123332.GA5042@sirena.org.uk> References: <20210716210245.13240-1-alexandru.tachici@analog.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="FL5UXtIhxfXey3p5" Content-Disposition: inline In-Reply-To: <20210716210245.13240-1-alexandru.tachici@analog.com> X-Cookie: Revenge is a meal best served cold. User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --FL5UXtIhxfXey3p5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jul 17, 2021 at 12:02:44AM +0300, alexandru.tachici@analog.com wrot= e: > From: Alexandru Tachici >=20 > The bcm2835_spi_transfer_one function can create a deadlock > if it is called while another thread already has the > CCF lock. Please don't send cover letters for single patches, if there is anything that needs saying put it in the changelog of the patch or after the --- if it's administrative stuff. This reduces mail volume and ensures that=20 any important information is recorded in the changelog rather than being lost.=20 --FL5UXtIhxfXey3p5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmD2wpsACgkQJNaLcl1U h9DVKwf/QCjmRsWnwf3OJAbQXENQAPS5Wn3HZaxmBJRq58r7GSxewpaGSlqIeeB0 xuDUtWVB6l0TLkCbpI2gr/P7JmR+LuCZHOlGHCO/kwRqbf4oFThl1bB74uXhXEPi 7IH9lZfJE8ScAh6yr8Ji6Iw5Y3RmI62DAgFqC/Oslq1U5MNUX9R5RqcmG9bOrdIw X2fSoNQ+6gWvJeMyT77iu6eskYhtacgBn8pt/A/PUivlmi5Dw5UCtZVmB3EU4rFz IcH6kYYQmoe+Wj+LxHhzxTecAvQOAuJXW7dbsmfWIIQ06LC8JV3BarrhTQ3xVQ9q bG3VVV+Azk+vyGfPj+yr3P6W4aKOOg== =hQzo -----END PGP SIGNATURE----- --FL5UXtIhxfXey3p5--