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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 76CE1C43387 for ; Wed, 9 Jan 2019 11:59:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3E5B8206B6 for ; Wed, 9 Jan 2019 11:59:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cepJCxZv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E5B8206B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Mime-Version:References:In-Reply-To:Date:To:From:Subject:Message-ID:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=afXS9ZaOsPyedmNnROz89KhhT90tgc6uJFIW45y+YuY=; b=cepJCxZv7ALsVlmrRfpvJta4I 89vU9LZSwMRh/74WKxNt15pLAK73VsDHBA6Qq3yuUWgmmykWMvgNDx/jS4/DI6qMHerZvVH3fIvfW KVYf7++GmNbZQlBpPSv9AzdFY25v2FHfZve7mdGigrALBl80zhWqJIx8nNIVvr0C4eTYUKf3Wk9s6 7nvfETyF2WW6iTohM1kkvBIxzqwtciqulDIeK1+hXOBUoD0y2wEcXp6c5/xTo6GLBLdfmMNfAXvAp weCxoHCH8Tdw0QCO4D5HP7fSVHxVm+PmrgvcyIHuiBJK3h0DVJH5hO48b1pSlICSJmJSL9pSCfxIu RIPjVMMeA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ghCVV-0000fM-Fc; Wed, 09 Jan 2019 11:58:49 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ghCVR-0000et-Hw; Wed, 09 Jan 2019 11:58:46 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 4D823ABDC; Wed, 9 Jan 2019 11:58:41 +0000 (UTC) Message-ID: <64799d4495a4cbc43c3a8f61afda17a0ae70c2fc.camel@suse.de> Subject: Re: [PATCH RFC 00/11] staging: vc04_services: Improve driver load/unload From: Nicolas Saenz Julienne To: Stefan Wahren , Dave Stevenson , Peter Robinson Date: Wed, 09 Jan 2019 12:58:39 +0100 In-Reply-To: <537778454.382280.1547022816273@email.ionos.de> References: <1540481375-15952-1-git-send-email-stefan.wahren@i2se.com> <537778454.382280.1547022816273@email.ionos.de> User-Agent: Evolution 3.30.3 Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190109_035845_737677_6845AF74 X-CRM114-Status: UNSURE ( 8.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, Arnd Bergmann , tiwai@suse.de, Greg KH , mikebrady@eircom.net, Eric Anholt , "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============0873753435857482417==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============0873753435857482417== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-Tl3YcpFtQvfgVSoy1OVI" --=-Tl3YcpFtQvfgVSoy1OVI Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Stefan, On Wed, 2019-01-09 at 09:33 +0100, Stefan Wahren wrote: >=20 > But i noticed a regression introduced in 5.0-rc1, which might be > related. I > tried to run "vchiq_test -f 1" and it never completes. After > reverting commit > 852b2876a8a8 ("staging: vchiq: rework remove_event handling") > vchiq_test [1] > works as expected again. I had a look at that one, it seems that it's due to the fact that vchiq relies on completions only sleeping whenever their internal count reaches 0 (it's incremented on every complete()). As opposed to wait_queues, which will wait until an event is triggered regardless of previous state. Regards, Nicolas --=-Tl3YcpFtQvfgVSoy1OVI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEErOkkGDHCg2EbPcGjlfZmHno8x/4FAlw14e8ACgkQlfZmHno8 x/63Qgf7BMUVlAerDE9bM0mOVzDcOhe6Sh1T/4gVngHLqlwhpKytJBZIe3/pCk8Q 08h25nh8uxxj5AjoxbrsPFgHiptVzsU8VV0z+5CvO0qxaSRN3T2AfloeiCSQJ+8C NxG4TwR+OO9iBteydbB/rW4Q23hBVjCCHYMeEpra6jVPttqyXm2RUpi+jl8qx0su 1AudOBnna1q3K7Qeza33PEvJHox7SFJIG8NmvN7OrjtQYHJMtk10g0zzrT1MaxXq QytabylVAZs6eYFh95ias+GzM5VxKVFvsr7loBelb+ISpSxO278qElNGaWH8dFU6 ReQD9FJWAyZMzXekSAKskO5PYUyx/g== =6Hsv -----END PGP SIGNATURE----- --=-Tl3YcpFtQvfgVSoy1OVI-- --===============0873753435857482417== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============0873753435857482417==--