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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6C700CCFA06 for ; Mon, 3 Nov 2025 15:54:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Message-ID:Date:References:In-Reply-To:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=txiU9nH6NDUg7uu142wjzcZ60uFEUV73O7o0Rd7dqYU=; b=UVg+p0t5qERwoIYGC8vhVb6RIL vg/XonkGANquhZQUD0F3S083+Cjrw6VdMJiUbUcgFrfnlJ4xD0ZzE6GlpKOAhccn7dxbhX9HTbuHP d8gElBSnz4elJ+MVAQGapIlB0XPEqTuIqm5EQl+pSHfRjQrkenpuFYbEzWMx7r52/3L4/QkTCxApJ dIURjJJTHik0WUudUJQAI1VRJ7PGVcXKOdY35IFTlWnoH+PINzSSmkMH0SBHh14GLIohZrM0fMhoa 58j1N2xrSzIxqJo/YtUUYgPcNftUaRMWhhUOvV0Qq85AKzFTaaXlPLzwddD64xSZmzlXzHs8pK5tA MfL0w70g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vFwsj-0000000ACFk-3gpx; Mon, 03 Nov 2025 15:54:09 +0000 Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vFwsh-0000000ACFE-2RcW for linux-arm-kernel@lists.infradead.org; Mon, 03 Nov 2025 15:54:09 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251103_075407_766597_086C9BD1 X-CRM114-Status: GOOD ( 17.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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