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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id 201-20020a6300d2000000b0057017abe776si3367328pga.677.2023.10.04.03.16.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 03:16:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=d3I46TzC; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 04FA782516FC; Wed, 4 Oct 2023 03:16:02 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242118AbjJDKPt (ORCPT + 99 others); Wed, 4 Oct 2023 06:15:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242102AbjJDKPr (ORCPT ); Wed, 4 Oct 2023 06:15:47 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71362BF for ; Wed, 4 Oct 2023 03:15:43 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5CC7C433C7; Wed, 4 Oct 2023 10:15:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696414542; bh=btEL0S0SohWpugTP8Lp1AxnqJzG6dwQ15xi1GidNTOc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=d3I46TzCmT4uNSCscqh64KCYGgSsWrn2jpi/vznwD8wE+bu5KWPWMeDoRsS3hzLLs lz1GwBep06SjDLrK8yV+LJ1b5X3G0j2gm+0LolIojKAgXuXZUxr3SJtwmIWR08YEWf QI9p+71ajyLQ6eAKH6GGarghs6fKbdmwKvtgXHdHjamWUO3hLd/cBIei7Dhl3U7vLq 1KjA+yWIhOHGSOJaqHSWBVnkf+AWXbdnHgKDqI10GqmqB/7yB+jh8+M8wXMCGGWsXp FkbGhkZkjAOn41SXfJ5BDtQUxOyJBKJIC0FpL/D7AXsbKK0jB9aw4f9SLIT8vUguiP SeAgmXUhZzj3w== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qnyup-0010zi-VO; Wed, 04 Oct 2023 11:15:40 +0100 Date: Wed, 04 Oct 2023 11:15:39 +0100 Message-ID: <86jzs2ofqs.wl-maz@kernel.org> From: Marc Zyngier To: Mark Rutland Cc: Doug Anderson , Catalin Marinas , Will Deacon , Stephen Boyd , Valentin Schneider , Chen-Yu Tsai , AngeloGioacchino Del Regno , D Scott Phillips , Josh Poimboeuf , Matthias Brugger , Misono Tomohiro , Peter Zijlstra , Sumit Garg , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH 1/2] arm64: smp: Fix pseudo NMI issues w/ broken Mediatek FW In-Reply-To: References: <20231002094526.1.Ie8f760213053e3d11592f892b30912dbac6b8b48@changeid> 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/29.1 (aarch64-unknown-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: mark.rutland@arm.com, dianders@chromium.org, catalin.marinas@arm.com, will@kernel.org, swboyd@chromium.org, vschneid@redhat.com, wenst@chromium.org, angelogioacchino.delregno@collabora.com, scott@os.amperecomputing.com, jpoimboe@kernel.org, matthias.bgg@gmail.com, misono.tomohiro@fujitsu.com, peterz@infradead.org, sumit.garg@linaro.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 04 Oct 2023 03:16:02 -0700 (PDT) On Wed, 04 Oct 2023 10:59:50 +0100, Mark Rutland wrote: > > Given you haven't seen any issues, I suspect those are getting reset to fixed > values that happens to work out for us, but it is a bit worrisome more > generally (e.g. the LPI case above). It is likely that these SoCs don't even have an ITS. M. -- Without deviation from the norm, progress is not possible.