From mboxrd@z Thu Jan 1 00:00:00 1970 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 A2D1742BC58; Wed, 15 Jul 2026 15:01:53 +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=1784127714; cv=none; b=PXUN1wG1eqkCUZjrK9jENVUxDJLlWYe5m8dnygB+2a3DNr5UCjjXQXE3nGu0bEghn5ARGXQ3KhsKZ1eCUj+KzOtAt8BdOYL+0CoDpMwWc1ir/6O4y3u72TaxZqhpoYb1TAjCYH2KgqqRsVqsZTl44Mz8gcz2z2eifAw8FnBVF4E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784127714; c=relaxed/simple; bh=k1kqoJ3qig2IBgFwaMuCKFR8cC5FtbwhvKHacSYYEgI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ETw+4hLPIGY4zGvy/Yr5eGE1ja8k4jHvRI4Is5Seu7f1PReMPtrEbpH3ofcQucllMcIkZBpOhE79oKSaFntqmoG/D7xwl4H+48vf433UIaVVufDve9T5+z3CQDbJ4JsuiKyou85NZ4lQVATBnMVKXPMCbqfGrckKKp4rBA77agE= 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=I7ZVS+pk; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=TimlBIcu; 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="I7ZVS+pk"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="TimlBIcu" From: "Ahmed S. Darwish" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1784127712; 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=mRaHrK9A59TB9ieo0GwP65DcSFK32X8hnB3vC0Accqk=; b=I7ZVS+pkbP2DGf5WPnYuKQB6L/u6Uk62Mx3UnOOVKOAJpZ8wqwvfhbOV7EKEI57Kgy3F0U QA2jagwaBk4a/VUasz9UGjS/dGFIFlADp64uVjcFA/ksZy/T0+Xaw2KroS3xUT5zfuL9s+ o5Gyf5/gf65ev9zg3tbZBfsDggh2uel5TWR4R/JkSdj9Y7aavg+DwXxTUmTU7Nyt0wKTUi kZvyTjdZLufvkt121AuhD8lnbiOa7N58MvYY/L9G5JlGLwQJbCimSF7xvg9XbBBOjPpaF7 SuV6QbPHTqMdPKp/Oy5cZhiy76RyczR8LsoKq3wo+adXBQK+pf1kvsC87Iwv4w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1784127712; 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=mRaHrK9A59TB9ieo0GwP65DcSFK32X8hnB3vC0Accqk=; b=TimlBIcuoTjTOmxMpvAwavrwwxywtkx9nEIGjArwEqko6/Knze1W5anqVGuvK0tjfxeVdU F7usCJVytCVpuDCQ== To: Jonathan Corbet , Clark Williams , Steven Rostedt , linux-rt-devel@lists.linux.dev Cc: Matthew Wilcox , Sebastian Andrzej Siewior , John Ogness , Derek Barbosa , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, "Ahmed S. Darwish" Subject: [PATCH v3 0/1] Documentation: Add real-time kernel configuration guide Date: Wed, 15 Jul 2026 17:01:45 +0200 Message-ID: <20260715150147.225715-1-darwi@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi, There is a no "one size fits all" solution for configuring a PREEMPT_RT kernel. Intorduce a PREEMPT_RT kernel configuration guide to better help system developers and integrators. Changelog v3 ------------ CONFIG_EFI_DISABLE_RUNTIME: Mention that system integrators can now assign the efi_runtime workqueue CPU affinity, then safely pin RT tasks on a different CPU range. Changelog v2 ------------ https://msgid.link/20260414174159.1271171-1-darwi@linutronix.de Handle Rostedt remarks: - Better reword certain paragraphs and statements - Warn about enabling CONFIG_IRQSOFF_TRACER and CONFIG_PREEMPT_TRACER Handle Wilcox remarks: - Remove ToC comment + minor rewording Changelog v1 ------------ https://msgid.link/20260305205023.361530-1-darwi@linutronix.de Thanks, 8<----- Ahmed S. Darwish (1): Documentation: real-time: Add kernel configuration guide Documentation/core-api/real-time/index.rst | 1 + .../real-time/kernel-configuration.rst | 313 ++++++++++++++++++ 2 files changed, 314 insertions(+) create mode 100644 Documentation/core-api/real-time/kernel-configuration.rst base-commit: a13c140cc289c0b7b3770bce5b3ad42ab35074aa -- 2.54.0