From nobody Sat Nov 30 12:33:49 2024 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D3C816EB65; Mon, 9 Sep 2024 17:27:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725902864; cv=none; b=krI0aqRnkPB94P4AlRa0z8ykYod/p3NsYHUrTpIdGqfSkRt41oTCW9DjLJDfXBfA+WxbVRjR5m4D0QWiAWleIdB0ou9Eg8U92QmZ9CnNh+U6CYkbSNrR8tVQgvYfnk3qfZQl1bv9O3j4rwMrBtVt2gjQJKDhyEgBogB1D4VZ6f4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725902864; c=relaxed/simple; bh=B/73IEAPLayYpPfWqYg+q4C3ZbnnOWHkVTEAilIiyVs=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=XMRYmC1VnRk4N+avCrLSQK/KDpwfjpnOR3eHDynMVA5BctL/nLPhDHPjQffV4lUmqcMx6i8poJIKBHnlr4v3O2++v1GdEjA8uMScEhH3ZtJYa/JpA/fOtOrjG9l+zn4+cjCRDmtG2J8BOkCBHto7Ekf0Pi/iZLMDZ0E9cv53yOo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=1UNT2jBN; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=wPAZsjXo; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="1UNT2jBN"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="wPAZsjXo" Date: Mon, 09 Sep 2024 17:27:41 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1725902861; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=h5im82oGiUFihike5/eRPnXdi7Z+l4zd4Dc6yJCIw5A=; b=1UNT2jBN89H6NtJSlsRpFz1dHtA28O7yfKLw/l0c8i5C1vqEg/Q8CZ91az3gzwz+LWH+MB +D4FjhhPGMAQ/3F8K93Em/RKNbgHgPCGpMhGUQpEIyV90qszMR73urpmCNp86Y16636ayJ GBDHAFgLj2cfFaty1xbyoIIsK7GhhXrYsEh1b3h8B4m1H8xIAfRa4yX4+gX++zRxCVZhib qboxSe7LvUsrzEMax/6N3KR5yArXi98i0PSZHkDlZFiu/crRFc83gc5KP8ZvaunJ/xzopx w3wtJnr7CR1fN62Ge0ZXvoj43ElLH5ZzGPL47DQQiGFRBNHxGIdEOidgan/NYw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1725902861; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=h5im82oGiUFihike5/eRPnXdi7Z+l4zd4Dc6yJCIw5A=; b=wPAZsjXoI8Bz5+c1hnSG0uAjzoojA0v7f7FB2NCDyeq730TPAiKYOmkMNyHRNJdn4gZ6LF XsKlirdjxG05UODw== From: "tip-bot2 for Sebastian Andrzej Siewior" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/rt] x86: Allow to enable PREEMPT_RT. Cc: Sebastian Andrzej Siewior , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20240906111841.562402-2-bigeasy@linutronix.de> References: <20240906111841.562402-2-bigeasy@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <172590286111.2215.4810009143872895730.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the sched/rt branch of tip: Commit-ID: 70c5e36c0f431cab9059477c6b7d3ba02b289cd9 Gitweb: https://git.kernel.org/tip/70c5e36c0f431cab9059477c6b7d3ba02= b289cd9 Author: Sebastian Andrzej Siewior AuthorDate: Fri, 06 Sep 2024 12:59:04 +02:00 Committer: Thomas Gleixner CommitterDate: Mon, 09 Sep 2024 19:24:11 +02:00 x86: Allow to enable PREEMPT_RT. It is really time. x86 has all the required architecture related changes, that have been identified over time, in order to enable PREEMPT_RT. With the recent printk changes, the last known road block has been addressed. Allow to enable PREEMPT_RT on x86. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20240906111841.562402-2-bigeasy@linutroni= x.de --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 007bab9..8768d38 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -122,6 +122,7 @@ config X86 select ARCH_USES_CFI_TRAPS if X86_64 && CFI_CLANG select ARCH_SUPPORTS_LTO_CLANG select ARCH_SUPPORTS_LTO_CLANG_THIN + select ARCH_SUPPORTS_RT select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if X86_CMPXCHG64 select ARCH_USE_MEMTEST