From patchwork Mon Jun 13 18:24:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 12879882 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 72099C433EF for ; Mon, 13 Jun 2022 18:26:02 +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:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=YU/RuHJWQMNBOeuqMwUAoEtnejLcWKzvTVaf9Vek53g=; b=SthNf9BROdsciP 0cPOBimkGw8Ek0wfg2j/X/tVH2VMHY1Lc8rfKla9TmoPZeXIoV3frLtlLP6wCXreGKjJv+hyAMqju N3K6RXjj0ifoiHVeA/644OblyCl5cOjGBI1hKD7ZYiiH9vTUarnu/6pSKqjCqSx8/lFCNM/mV+GqR zO253z7hxgxJR74xEcih/cAqmbCkHIV7slzItLjXJxokFRhmqQmyDDkLAvW1bKOb6kVpOo5s921bj 5NhirrlovHieBTxKV3ADOD7SszP/Gc1LzEYNMjEJuu+8XJD3P6jcDLCGejze5Gq9ktIes1+fQggPo 27MWlArTIgAIWk99p/Jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o0okH-0059Tf-0s; Mon, 13 Jun 2022 18:25:01 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o0okD-0059RV-4v for linux-arm-kernel@lists.infradead.org; Mon, 13 Jun 2022 18:24:58 +0000 From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1655144692; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Q0VE+/eO/kqLPaWcwDqsZuUafp/QgFMiZZZS+MP75Mo=; b=x3N2CvpuOYKOTd7pwBUeqWOl6arI8/FgiNoei9IXckFgqzFkxbxyfRSa3ph1hNrFRFeyn3 B51OXYqoKJrByQrPmpWTQF4j0G0lWEMh04XBvanZGhX0heAQGr8p7uqN3Oql6jzJTIMeoJ DhXeiTN1qEKvtlS1GqHlyEbW3OGnTyeXnRgDbzzo84sgsDOoYmIMnSZFox9Ww6XmkwrMn4 cfMzP7tOSJ01YsiPJJZgYhMu/IBbHi/Ytjl+dch3AeiHRiSLkDuXL2ZwE1DcsfGA4mFEFW hxFg0KZOnGW9lv4cVw28SbWSHAKmXyjZZMg/WauIq69kYtaOL+8vWHA+2D11IA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1655144692; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Q0VE+/eO/kqLPaWcwDqsZuUafp/QgFMiZZZS+MP75Mo=; b=Sz8gAvUIBy/QuzG6qXwaElu6rI8exq7YhWrApUfRqUCye+SWgLLm+Yz5p6zSOPXOFTaGL0 mIygZo+pJMJ7wPCg== To: linux-arm-kernel@lists.infradead.org Cc: Russell King , Arnd Bergmann , Thomas Gleixner Subject: [PATCH 0/2] arm: Disable two features which are not compatible with PREEMPT_RT Date: Mon, 13 Jun 2022 20:24:45 +0200 Message-Id: <20220613182447.112191-1-bigeasy@linutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220613_112457_389097_7B4B1DE8 X-CRM114-Status: UNSURE ( 6.14 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, this mini series disables two features on PREEMPT_RT which are not compatible with PREEMPT_RT. The softirq stacks are also disabled on x86. The jump-labels could be enabled if stop_machine() is avoided. Sebastian