From nobody Sun Feb 8 01:31:06 2026 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 CFDD7309EE5; Thu, 4 Dec 2025 16:35:40 +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=1764866142; cv=none; b=gFxDNSnekG0GKdhWIejlPfkhXqDtIJnfnXqf6D0Lsl2X9SWjIfHW+dQBp7Y+8rHgFulKxvwJQCCo1yHvPECEpxWpKso/gvOjlKHyGqjInyTTDIJYWZf4CVVpK4rtcyCeNZL4LPt59n/Bm0YqachO5qIKHpx0Bi2s6PMp+rEZiM0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764866142; c=relaxed/simple; bh=ZK5j4Mos9erTcnvY7uZcmV5BQINEcSPUXHRTvwzDEc8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lDeh1W/yNMTSKS998XJlxrHoWDiDQ3A3cjlrsfU+oqsZBpBtDBwdQfGpEjUwXDQq3oMbP+HD+3iAgGfaOSlUtPlvuzy9SKKTXCMnKgBCjLcfpfXl+M0ERf7utjZJ0r92YeXa6Y8KHT53iaPfRzZZZsc6qqwhY085gPiz/mxZ0pg= 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=wlU468Da; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=nUWe7I08; 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="wlU468Da"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="nUWe7I08" Date: Thu, 4 Dec 2025 17:35:37 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1764866138; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=u5OOvu0YVSd1nLnufJ14TYvhWRWFJuHvTPNPdB4XYBM=; b=wlU468DaKMO8EkpZvkkCkhq9J4E4iVbsbCUmVEDTcrPHrYGCkvTXSgGVjlEprCP/WbZVfM 5YnaBfb1Oy5X/GaYmBYdArBYQelPQKLEjYHcBycmHLMB//H5YJYU/aHiEn6m9D3rRF/liV aIM7OTWIW3RCv51/TZKUXk9zldV9r4zIvlwtsqZXTgbVjEgSVp5qnadXa8mh0yTqS5JRl5 9Wtd2PiaoaA0mq+dCou+fIbAXzPX3KB5ZBLttbGXnOsgpt2DpxWF2g7n4KOZGaPjCH9nzR DN0XPdIepokJi3aqtwqnT7eFUfV9KtX8biXC3tHc5eO6Uo6D5s4OHLLEOA7Tyw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1764866138; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=u5OOvu0YVSd1nLnufJ14TYvhWRWFJuHvTPNPdB4XYBM=; b=nUWe7I08GZRKhgZcGjG8ZfRC9Xl7GaLqca/h+8GyYmG3F/VxcQCHGqbJij7HA3HteQCHJ9 HL7OoPj3zAJbo4CQ== From: Sebastian Andrzej Siewior To: Thomas Gleixner Cc: LKML , Mathieu Desnoyers , "Paul E. McKenney" , Boqun Feng , Jonathan Corbet , Prakash Sangappa , Madadi Vineeth Reddy , K Prateek Nayak , Steven Rostedt , Arnd Bergmann , linux-arch@vger.kernel.org, Randy Dunlap , Peter Zijlstra , Ron Geva , Waiman Long Subject: [PATCH] rseq: Correct typo in the documentation. Message-ID: <20251204163537.NXLRyaSa@linutronix.de> References: <20251128225931.959481199@linutronix.de> <20251128230240.713174771@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20251128230240.713174771@linutronix.de> Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" for consistency: s/slice_ctrl.request/slice_ctrl::request/ s/reqeust/request Please fold. Signed-off-by: Sebastian Andrzej Siewior --- Documentation/userspace-api/rseq.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/userspace-api/rseq.rst b/Documentation/userspace= -api/rseq.rst index c7d1c651514a5..e1fdb0d5ce695 100644 --- a/Documentation/userspace-api/rseq.rst +++ b/Documentation/userspace-api/rseq.rst @@ -75,13 +75,13 @@ field via the ``RSEQ_CS_FLAG_SLICE_EXT_AVAILABLE_BIT`` = and the space and only for informational purposes. =20 If the mechanism was enabled via prctl(), the thread can request a time -slice extension by setting rseq::slice_ctrl.request to 1. If the thread is +slice extension by setting rseq::slice_ctrl::request to 1. If the thread is interrupted and the interrupt results in a reschedule request in the kernel, then the kernel can grant a time slice extension and return to userspace instead of scheduling out. The length of the extension is determined by the ``rseq_slice_extension_nsec`` sysctl. =20 -The kernel indicates the grant by clearing rseq::slice_ctrl::reqeust and +The kernel indicates the grant by clearing rseq::slice_ctrl::request and setting rseq::slice_ctrl::granted to 1. If there is a reschedule of the thread after granting the extension, the kernel clears the granted bit to indicate that to userspace. --=20 2.51.0