From nobody Fri Nov 29 16:40:31 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 097D113A3F4; Tue, 17 Sep 2024 09:15:46 +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=1726564548; cv=none; b=qcjXinzMtHP8rUuxcmL7ZBPYat9QtUcA9of7BvIjb/QH1amn0rg0lMm87ArIxhAsW0mDkE0SpEbpRGij6ssq7nEC+fI8P8e/Dk1qZljBhhH6OYzP8TjOqSWH5bE3d7w5UbA8y9x8LTA4DT4JHikvQp4NaCYF3Qhro5FkV/ALuqg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726564548; c=relaxed/simple; bh=M2MMSOsizNcz1fTV6Lq8yK9IAN23/mrs02gEbgn5GCI=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=GMm3DJE+B4AKu1rupoc0IKYoN/0qPqk7sqahp0ZZeh1qfMdsRMMNepH5DcD45rZCvnNYKXwD9gabrKbLWZiMQJrL+a4xDJA3TyuqpLE6H6eMjL316/P2PgCy7vWnAvKNjSiW95kHI224EcFqkxNnyNxEHlOz1wb4fCfLwUs3o88= 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=p+fP7bej; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=JE/U5ewY; 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="p+fP7bej"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="JE/U5ewY" Date: Tue, 17 Sep 2024 09:15:44 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1726564545; 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=k7g4Kmg8lanYNC6phsFV1h8YkZLl6DTVpdNGuOlDX/w=; b=p+fP7bejab3QyED7MJcUMYI+fXW0WRbNmGXSmBirKMHINha8vGaVphfBqbEmYmzJPxMigE dl1XhkU879wgwDgHS3NJ2qRbPMXx8SZ2HvBNqNo+se7f1/Jgn3iyTP5CZfBqk2nRCiqxC7 K/xwT5Qr/LSJoQGsaT5VlJKkGNtI1vKscK57pZh1gVRB2THvFrrHJoHx7e22TXrbMDRr26 j/GCoPohptrRAqRIghTRCJJmU61kgdoMt1ASwZqyOxk1Sks/zgGzgW6VLC5KzpFpjzsU/p /fuBWFTfhvq91bjxrjKxLQ2uxYmwFructh6/SfcaaO9eWG7QkrW/VLBkmZ7Smg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1726564545; 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=k7g4Kmg8lanYNC6phsFV1h8YkZLl6DTVpdNGuOlDX/w=; b=JE/U5ewY5BtFzPD5PegpcNhQByR+k2+uFDOhJ35IyN7ZogivCTS1tWsratESgfZbt7sPAw 3vS+zm6QNkP3xoAg== 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: <172656454487.2215.2022637587652544393.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: d2d6422f8bd17c6bb205133e290625a564194496 Gitweb: https://git.kernel.org/tip/d2d6422f8bd17c6bb205133e290625a56= 4194496 Author: Sebastian Andrzej Siewior AuthorDate: Fri, 06 Sep 2024 12:59:04 +02:00 Committer: Thomas Gleixner CommitterDate: Tue, 17 Sep 2024 11:05:53 +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 6f1c31f..865573b 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