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[23.128.96.18]) by mx.google.com with ESMTP id u7si5602374ejn.279.2020.06.13.04.41.09; Sat, 13 Jun 2020 04:41:32 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail (test mode) header.i=@sang-engineering.com header.s=k1 header.b="Wd856/AH"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726100AbgFMLj1 (ORCPT + 99 others); Sat, 13 Jun 2020 07:39:27 -0400 Received: from www.zeus03.de ([194.117.254.33]:38230 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725857AbgFMLj1 (ORCPT ); Sat, 13 Jun 2020 07:39:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=k1; bh=SB1R1byaLkHjHBlaDluUd/qNJ7vn aI6Jb22ivt621Bw=; b=Wd856/AHPLmefJUz9bD8pn56T+KYVuSGswTyu4G7aq5F NTBATJ0IMPbG5BJ83Mc/Q9XXM6L9C1PH8ANaIKWnm3F2sPkRPeWfFnbfqjijmZo8 WUUXPr1UT3tmHs/XHp/Ah+tzdeoDZjhgaLgwf7tEJYCUKSlnJrlavPrJ7qyhkfs= Received: (qmail 505575 invoked from network); 13 Jun 2020 13:39:25 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 13 Jun 2020 13:39:25 +0200 X-UD-Smtp-Session: l3s3148p1@JmNDpfWnWsQgAwDPXyHFAGqOHKP9IeEo Date: Sat, 13 Jun 2020 13:39:24 +0200 From: Wolfram Sang To: Andy Shevchenko Cc: Linux Kernel Mailing List , Linux-Renesas , Krzysztof Kozlowski , Oleksij Rempel , Marc Kleine-Budde , Thomas Gleixner Subject: Re: [PATCH] lib: update DEBUG_SHIRQ docs to match reality Message-ID: <20200613113924.GA5578@kunai> References: <20200612124844.19422-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="EVF5PPMfhYS0aIcm" Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --EVF5PPMfhYS0aIcm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > There is no extra interrupt when registering a shared interrupt handler > > since 2011. Update the Kconfig text to make it clear and to avoid wrong > > assumptions when debugging issues found by it. > > >=20 > I'm not sure. > I have recently fixed a bug in the IIO sensor during ->probe() due to > an issued test interrupt exactly as soon as the handler is registered. $ git grep DEBUG_SHIRQ_FIXME kernel/irq/manage.c:#ifdef CONFIG_DEBUG_SHIRQ_FIXME There is no place to enable this code. Maybe your case was like Krzysztof's case where the issue turned out to be the extra interrupt on deregistering after a deferred probe? He thought it was the initial interrupt but it wasn't. --EVF5PPMfhYS0aIcm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl7kuuwACgkQFA3kzBSg KbaEPA//fF34K0egPXJkSO4SEjHd4YSHXJsQZYi0pwPOyaHwM3fN7VuWt/oAX3Im qY1vOSERFovY2L44L+OOiauyyZJd5zuTO5Frt5jUJkSnO9VJw80Nn2zY28zw4qR9 WSu4a24WAj3Ioc2PkZyzsRZJsqsDSbP/iOEpcz5I0C+W11reME9EnTSq/ZhHYttD pOSrX9x6aHNIyZzdmRy0kYh1PDBlEktDHEKtEmWVvrjPEMvCY4+h20Z2WOAs23UJ T+mGnZul5sJdy53zHQcOC3kMRUaXAKIJyKXHmoWVnlcRt0Zd1OB11lclHUwWU7yM 1Z60TGAhMJSKi2gzSnuucfMDcyTjS4WAxEnxDZMFGEzBOGALZXTzM8h9GSUAAo+R WObL1HOw29TFkmxFeE230gdQJSBKoAcMUMWuPn+FrhfkX6xD2vObtvTgJVtntObd 7K+qwZPVhgXHZ+ZZT8l+v+rszgcfRG9BVTgWq1dvSp+kf1GkjXFM+4aYvlaVWT54 uftDJcSqUEYL3t6G2W96Vb9rMs679SdEw24JqQn/M+vU8fEYOG64mWQs1oE1Z+xy R6VNhxpGaj/lbs9ATiSY+hnxVPwsqCOi+wYUUz5RhIFl8SawNEzIUZiIaWy40/fR OVUZbZYn9JuDIZeqpoSfHj/e+9a+bCZA5a0hSoQSW95MMJXJfYQ= =tU/2 -----END PGP SIGNATURE----- --EVF5PPMfhYS0aIcm--