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 85DE7C6FD1C for ; Tue, 14 Mar 2023 11:43:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ggqw5rruu+JqCepQGm3zE4JWBld9EI3roeaN0EMSfnw=; b=CQUcRjXAuIv9nc10b6NabdTMkv tF/CveeiwUrr8Pi8FN6wbRpUlZImfWu6TTXT/cbh3OhbfZm4tn0rYrXU4lHvNTv9n9BP/HqWboPZM iyaK4QYVrfAitH+ORUIQMRPYIUVziwUQ3R6off5kCkpmXBL4LPWcfsD9pfUGvOZMULMgMGr2YsGpR FBwTFd1wt7OAr/7sWxHtXQoLJwGT9gUZBvEl40MY8ot17gy5MEUHZ+J2nC4gDOPkCC3gghu9nC96d NK2QxZTFdFsvWndlR7dE+7uN32kPr7N7qOVEE3X/kVOlrGldlIPKiG3ubatElWCupPPBXuwZFQQBl gfllzqpA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pc336-009wRp-2R; Tue, 14 Mar 2023 11:42:36 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pc333-009wRB-23 for linux-arm-kernel@lists.infradead.org; Tue, 14 Mar 2023 11:42:34 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 018086172B; Tue, 14 Mar 2023 11:42:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67ECEC433D2; Tue, 14 Mar 2023 11:42:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678794152; bh=k05QGfx1arHrwiiLHy5DHQ+oZgcbv9cY9ExDp4VPUB0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=CKc6xm6By9zpQu89e22wIB1jIHNpr6scQKIlCJTDsJdE4pAe0wZphnYU1Ix+AZYuD o9wR8j0c9m9YKdWD3WbdzK+UcwZ/xrmF1SaomrR/tyHHO2yjU0eYihV7ISdfja93oA uTGYoL/AY1JMRwCRRHiTN8zGEVhqsHJhU5HdZLEsUY0PVsmgC/N6kd+xMP2HgyLfXA 6MmQkV9bPSi6cnDCmxPZ1Ur5Xsc4nKMUMOwpx3nyw/2FR5Ftr+iDG2PyMAewdoMA9p EXldV8AjTLxM6USlmRiieDc2oZtreTQU7gc/NBHwpLY59TIGZI6SUFKpmSIsRzo1s6 WNLKwW3U1z00w== Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pc330-00HXd5-2O; Tue, 14 Mar 2023 11:42:30 +0000 MIME-Version: 1.0 Date: Tue, 14 Mar 2023 11:42:29 +0000 From: Marc Zyngier To: Cristian Marussi Cc: Oliver Upton , Jeremy Linton , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, David Woodhouse Subject: Re: Circular lockdep in kvm_reset_vcpu() ? In-Reply-To: References: <3496a6a10b2d8693825e733b871938f5@misterjones.org> <82978ec75c0b34203dd1df693e7adf83@kernel.org> User-Agent: Roundcube Webmail/1.4.13 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: cristian.marussi@arm.com, oliver.upton@linux.dev, jeremy.linton@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, dwmw@amazon.co.uk X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230314_044233_715757_F7395FF3 X-CRM114-Status: GOOD ( 16.50 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2023-03-14 11:04, Cristian Marussi wrote: > On Tue, Mar 14, 2023 at 09:28:25AM +0000, Marc Zyngier wrote: >> On 2023-03-13 18:20, Cristian Marussi wrote: >> > On Mon, Mar 13, 2023 at 02:09:55PM +0000, Marc Zyngier wrote: >> >> > > And -rc2 works just fine here. >> > >> > Thanks, I'll dig deeper what's going on un my setup. >> >> Actually, you really want this patch[1] which is on its >> way to Linus. >> >> It could explain the issue you're seeing with SMP. > > Hi Marc, > > thanks this just solves for me on JUNO with guest SMP. > > Indeed with earlycon on JUNO with SMP I was seeing, beside a lot of > workqueue lockup that finally hanged the guest, some puzzling > 'time-traveling' stamps that seemed to align more with the host time > than the guest. Yeah, my bad. Thankfully, Paolo just pulled the fix, and it should make it into -rc3 (fingers crossed). M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel