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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 83939CCF9F8 for ; Mon, 3 Nov 2025 15:54:11 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4d0bjt0FDWz2yrm; Tue, 4 Nov 2025 02:54:10 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1762185249; cv=none; b=iRGgm60o/VMS9gIWnDA/n/ytKTV3d0NYC+6f4qlEEsZN4vOqo5d+5nRDOxoJO+vUbZu8YDWdaEsYh67U9DdH58rYJpB6P1mAgwtsMH1Aa9Bp1XsRIlVFozKqeDN8MYCKfsRI2TcofeLT6NRdK21T6jvGJXFVcBCSgWFW5bo9yZftWXcRWptWhQmF1uHBKsh/ORWECH8S8zdJdVD2D+CS6eafSl9m4cz4Zpspg4dMszPLjMESt5Y9ApEDYlh7qAMvn4xNk1RqAwpDKeuq6xxk7riRIQAM9QY5B/ggLsMUN5kGNfjkC7DGoNRZX7iBv8nuvjHoGy6A4srOU4QPgE81vQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1762185249; c=relaxed/relaxed; bh=txiU9nH6NDUg7uu142wjzcZ60uFEUV73O7o0Rd7dqYU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=R3zWMh3FJkA/nZiYHPt3p44IOIEtmZiyCoUczILXp/zLnMez7Pwfn+W5fgxe87+9W2P/hd9CUn/N4iuTb9G5K+LGw7DA9RK/stno04Nu5zGo71zmvavvXpL874fk8QdxfvDItenKoTYeP3qZbbW2qRYaP3qb9bsvCCdn1r2XrfHzZ0Jy4daqG/DOon5TkJt+uDqFMRQMESYPIphG3+BkvbzHdlUfWb18Npf/P6Fz0ScKxKEkmlnlGY7DsHBzUk+MV3xVbj6CqihAc4azX7oOtdC6rVEbLtSzF6dWv4Cftum19Pz0k0eSZ+A4Q64k07DubqnDtEkw7pOJw5GmQGSj4w== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; dkim=pass (2048-bit key; secure) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=oCOt/yZx; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=78T2WGDD; dkim-atps=neutral; spf=pass (client-ip=193.142.43.55; helo=galois.linutronix.de; envelope-from=tglx@linutronix.de; receiver=lists.ozlabs.org) smtp.mailfrom=linutronix.de Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=linutronix.de header.i=@linutronix.de header.a=rsa-sha256 header.s=2020 header.b=oCOt/yZx; dkim=pass header.d=linutronix.de header.i=@linutronix.de header.a=ed25519-sha256 header.s=2020e header.b=78T2WGDD; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linutronix.de (client-ip=193.142.43.55; helo=galois.linutronix.de; envelope-from=tglx@linutronix.de; receiver=lists.ozlabs.org) Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4d0bjr4bRTz2xS9 for ; Tue, 4 Nov 2025 02:54:08 +1100 (AEDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1762185242; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=txiU9nH6NDUg7uu142wjzcZ60uFEUV73O7o0Rd7dqYU=; b=oCOt/yZx3kUvthyRmlZKqoqG4xaLxSanrqzjBuSuGMhK0ADOJIdwmXrgK+thqnkfGMOwZF biLdv5N50vZ7OQA9Wz1K+4DGiXnSE0ull+3W6DDwqsKRe7jGwo3hQ9O7xz3mEtCN5xYo6h oKBGIuzKxH13tMYYNk49J/fJ7dT9o6meaxM7EmmMHbxFgmenNBMJ4E4mcrA2csMybSs7Iy QoraOgR92lpDiilGZjyWrtNCDF7HVmygpfE3Pa7vyhH+DYWdwEfqljn3eAqtC/kr7T45il JZvVcxk08oTaX6KlR5tuWm+xg4CmWAC/CmBVVN36FauRUSGSCVviTzGlT01EIA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1762185242; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=txiU9nH6NDUg7uu142wjzcZ60uFEUV73O7o0Rd7dqYU=; b=78T2WGDDnkw1/Y9Zii0VTpZZRyUxTVak/Sn/59YxAiAkUqWJQ/81eLe+PFGzq/g7O/QzM+ rkRtAnHeFhncC/CA== To: Mark Brown , Thomas =?utf-8?Q?Wei=C3=9Fschuh?= Cc: Andy Lutomirski , Vincenzo Frascino , Arnd Bergmann , "David S. Miller" , Andreas Larsson , Nick Alcock , John Stultz , Stephen Boyd , John Paul Adrian Glaubitz , Shuah Khan , Catalin Marinas , Will Deacon , Theodore Ts'o , "Jason A. Donenfeld" , Russell King , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Nagarathnam Muthusamy , Shannon Nelson , linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-s390@vger.kernel.org, Aishwarya.TCV@arm.com Subject: Re: [PATCH v4 23/35] vdso/datastore: Map pages through struct page In-Reply-To: References: <20251014-vdso-sparc64-generic-2-v4-0-e0607bf49dea@linutronix.de> <20251014-vdso-sparc64-generic-2-v4-23-e0607bf49dea@linutronix.de> Date: Mon, 03 Nov 2025 16:54:01 +0100 Message-ID: <87bjljw1ra.ffs@tglx> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Mon, Nov 03 2025 at 15:24, Mark Brown wrote: > On Tue, Oct 14, 2025 at 08:49:09AM +0200, Thomas Wei=C3=9Fschuh wrote: > >> An upcoming change will allocate the datapages dynamically instead of as >> part of the kernel image. Such pages can only be mapped through >> 'struct page' and not through PFNs. > > I'm seeing some boot failures on some arm64 platforms in -next which are > bisecting to this patch in -next. Unfortunately the diagnostics aren't > super useful, we seem to just stop making progress in userspace with no > obvious output. One sample log from the FVP is: > > https://lava.sirena.org.uk/scheduler/job/2036229#L1268 > > which isn't super instructive. Not all platforms seem to be affected, > I've seen this on at least the Arm FVP, Orion O6 and Libretech Renegade > Elite. The diagnostics aren't very clear here but given that I'm seeing > the same issue and bisect result on multiple platforms it seemed worth > mentioning. Some platforms do seem fine. Can you try git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/vdso which is rc1 based and only contains the VDSO changes. That might give us a better hint. Thanks, tglx