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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3265CC433EF for ; Fri, 19 Nov 2021 12:28:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1855861AA3 for ; Fri, 19 Nov 2021 12:28:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235178AbhKSMbl (ORCPT ); Fri, 19 Nov 2021 07:31:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:60826 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232080AbhKSMbk (ORCPT ); Fri, 19 Nov 2021 07:31:40 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2120F61547; Fri, 19 Nov 2021 12:28:39 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mo30O-006Xbs-SP; Fri, 19 Nov 2021 12:28:37 +0000 Date: Fri, 19 Nov 2021 12:28:36 +0000 Message-ID: <87ee7c72iz.wl-maz@kernel.org> From: Marc Zyngier To: Sebastian Andrzej Siewior Cc: Valentin Schneider , linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Will Deacon , Mark Rutland , Thomas Gleixner , Ard Biesheuvel Subject: Re: [PATCH v2 0/3] irqchip/gic-v3-its: Fix LPI pending table handling vs PREEMPT_RT In-Reply-To: <20211119111453.gqly3pyll3eluqap@linutronix.de> References: <20211027151506.2085066-1-valentin.schneider@arm.com> <20211119111453.gqly3pyll3eluqap@linutronix.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: bigeasy@linutronix.de, valentin.schneider@arm.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, will@kernel.org, mark.rutland@arm.com, tglx@linutronix.de, ardb@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 19 Nov 2021 11:14:53 +0000, Sebastian Andrzej Siewior wrote: > > On 2021-10-27 16:15:03 [+0100], Valentin Schneider wrote: > > Hi folks, > Hi, > > > This is my take at fixing [1]. Reading about the LPI tables situation was > > entertaining. > > > > Tested against kexec on an Ampere eMAG. Seems to be working fine atop > > 5.15-rc6. On the other hand, I can only issue one kexec from > > 5.15-rc6-rt12 - if I then issue another one on the new kernel, I get tasks > > hanging. That is true even without my patches and without > > CONFIG_PREEMPT_RT. > > What is the status of this? I haven't seen any replies, is this just > sitting to be merged? No. This is in my review queue, and I'm massively behind. Nobody else seems to risk reviewing GIC stuff (no idea why...). M. -- Without deviation from the norm, progress is not possible.