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 39D4DC61DA4 for ; Sat, 11 Mar 2023 20:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:References: In-Reply-To:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WvFbAvIxx4CA2FFIcm7HuagZ3SSuUh+KH2Cra7XVUH4=; b=DLObz76WpxGZ41 SwZqQeSNCKbU9a5tz2kMvHE/G3bunRFvHV3qV9rTvbVOvYDRGHrXoN0+Au7MnnilFcbkwP+O+B8i1 5u9y/6EYMMI4+DJOqUe9ID8ePmX189qQbaP6GhaTLavUlH+xTLjRTIadB8LvpONbkNfv9ilAIACwt ppnRfkYS9GOu+ncbTk0zZcDqfP0HNRYwn9ouNaUEEIDBb4UTz8lPvKWxthfvDfNaK7GQDIg9xVyoE RnnUqtCw6tyeAM3Hgj3h0BFBHexxv/kZgUrqv2Y+qrSxJKOVvVflYnf1JJRgAuJUJ4WskDoYyB8pa +EFiMk4Us2P7lxEUXrrA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pb5qE-001C2Z-Bf; Sat, 11 Mar 2023 20:29:22 +0000 Received: from s3.sipsolutions.net ([2a01:4f8:191:4433::2] helo=sipsolutions.net) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pb5qA-001C1a-Fu; Sat, 11 Mar 2023 20:29:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:Content-Type: MIME-Version:Message-ID:References:In-Reply-To:Subject:CC:To:From:Date:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=J3DyTIvOV/2SVP81VtW3lO9g8GsGdpbqAk1yKC2K1qc=; t=1678566554; x=1679776154; b=Q/xo6imcHiY8vjBGigvtwnmwLdxAZGGPrfKjS3msnK7KgQl NN+ctwQibzdVWdZv5iqP4ISst6qq5QflwxgK8l0d6Njn2vkW2OI+atl+VjdzoCMqfpmOWhKLWOmIg Oir7xQSJX63IRTXQgW8+PQdCOGV5+Q/ZHu+ddFUY+hmj/UlYi/PlJsdL4mV4ZSM+bFqA9LTzbxWTk +OB0guwhkaGthbtICpvuBV45W4KHwSxHzjS6HDjcFHBjPHagnHk3B7ll01ABPgHPv6wtS+5c9q5sw zpogi3dTUO+1XklifJ1cRUpevLrmsSHgU44ku9StZId6K2oDhMTwoMGSRTvPFH+g==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim 4.96) (envelope-from ) id 1pb5q2-000TLz-1F; Sat, 11 Mar 2023 21:29:10 +0100 Date: Sat, 11 Mar 2023 21:29:06 +0100 From: Johannes Berg To: David Woodhouse , mark.rutland@arm.com, Richard Weinberger , Anton Ivanov , linux-um@lists.infradead.org CC: catalin.marinas@arm.com, dvyukov@google.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, peterz@infradead.org, quic_qiancai@quicinc.com, valentin.schneider@arm.com, will@kernel.org, woodylin@google.com Subject: Re: [PATCH] Reset task stack state in bringup_cpu() In-Reply-To: <2873ac05521c218c5a7911741e91ed073df26fc2.camel@infradead.org> References: <2873ac05521c218c5a7911741e91ed073df26fc2.camel@infradead.org> Message-ID: <11A8071B-D9FC-418A-B0B5-D2AE608F740A@sipsolutions.net> MIME-Version: 1.0 X-malware-bazaar: not-scanned X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230311_122918_563189_2961D637 X-CRM114-Status: UNSURE ( 4.58 ) X-CRM114-Notice: Please train this message. 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org >Hm, in the !CONFIG_GENERIC_SMP_IDLE_THREAD case, idle_thread_get() will >have returned NULL. Won't these then crash? > >Admittedly that seems to be *only* for UM, as all other architectures >with SMP seem to set CONFIG_GENERIC_SMP_IDLE_THREAD. UM doesn't even have SMP, so maybe CONFIG_GENERIC_SMP_IDLE_THREAD can just be removed? johannes -- Sent from my phone. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel