From nobody Tue Dec 2 02:19:36 2025 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 816E4313E3F; Thu, 20 Nov 2025 11:37:15 +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=1763638637; cv=none; b=SE0YyCzBdsoPxm/1xl9OI5nuKP4jqDvIXvn636alXYMz+xv6PXeSyiaF7vNv8XzSbBXqbHTvJeT7JCBjkJCob+4hgO04RTcslINjmb0HIbuEqAb7Skb+2CEM9vf8orFS4uPJB1BIwZ91vy9VQWIu6ltBCpziY9hVjCUI9IZxETY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763638637; c=relaxed/simple; bh=u6h3ZNUO0zoQExnRRWoer+eeLxLu9lBenh5UGVbqZRo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YJoS65Nyselo+4PafTVbEC6a2Yb4gs6aN+3SJyTthXWGZZhA6o2sy4WmWyM1pp+Vv5txG+/ZW5/D4pUclGIVgZBm9PNXQagppk3IBECl/uaxHLHxTwIDN+TWTAEgn9sP+gXH7GN0xRMqR1aOTnR4JsGC/PQHxYugm2u3IhZ9I3c= 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=d9BbKUOC; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=1GcPyv+o; 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="d9BbKUOC"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="1GcPyv+o" From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1763638633; 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: in-reply-to:in-reply-to:references:references; bh=j0s+KZLerg4BQqOc+D0EnISDSeG6auMMoaePFrnQ7vg=; b=d9BbKUOCrhqNNIXBfPVaxQBly+gRXj0D5F8vGnZxC8A15sPvM2eIisQKgXW53uSqjRwg7W TFyPBo8TZ/xyzZYSl1Ghn3RjMfoC6bAZsZvVKzO0rvu11YaNuLxlD+iGPoyaLOG9V0LGbq cyKRJ9WvEj3KO6x70XI+PM9IinEy60Tpz9pZ6Kl50uJQRf4V3QaGtOdBEkf3+oTuLCPFjb 9wguuVmooig94tsI0vfjXXvia4Z/rixlaSBriZ3fjtdxipjCr6sJhdjvbvrO/RJpYof1Tn isurdtiEk/dy+8B4IvOpqV1yWvmctbFSD5LLFR5VpyOZ5zuD2x+ml1Ao+QXCQg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1763638633; 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: in-reply-to:in-reply-to:references:references; bh=j0s+KZLerg4BQqOc+D0EnISDSeG6auMMoaePFrnQ7vg=; b=1GcPyv+ouFXJM4QnwIDSrVtfTqP1RP0MLaeDXfXAlkriFtYN1wP17YVQ8obCexZViZriI+ ywWB7RegZcISFyCw== To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev Cc: Clark Williams , John Ogness , Jonathan Corbet , Steven Rostedt , Lukas Bulwahn , Sebastian Andrzej Siewior Subject: [PATCH 2/3] Documentation: update config name in real-time architecture support Date: Thu, 20 Nov 2025 12:37:07 +0100 Message-ID: <20251120113708.83671-3-bigeasy@linutronix.de> In-Reply-To: <20251120113708.83671-1-bigeasy@linutronix.de> References: <20251120113708.83671-1-bigeasy@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: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lukas Bulwahn Commit 4843a45ef9fe8 ("entry: Rename "kvm" entry code assets to "virt" to genericize APIs") renames the config KVM_XFER_TO_GUEST_WORK to VIRT_XFER_TO_GUEST_WORK. Adjust the documentation to the current situation, and specifically refer to the new name of the config. Signed-off-by: Lukas Bulwahn Signed-off-by: Sebastian Andrzej Siewior --- Documentation/core-api/real-time/architecture-porting.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/core-api/real-time/architecture-porting.rst b/Do= cumentation/core-api/real-time/architecture-porting.rst index d822fac29922d..c90a426d80624 100644 --- a/Documentation/core-api/real-time/architecture-porting.rst +++ b/Documentation/core-api/real-time/architecture-porting.rst @@ -35,7 +35,8 @@ POSIX CPU timers and KVM POSIX CPU timers must expire from thread context rather than directly wi= thin the timer interrupt. This behavior is enabled by setting the configurati= on option CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK. - When KVM is enabled, CONFIG_KVM_XFER_TO_GUEST_WORK must also be set to e= nsure + When virtualization support, such as KVM, is enabled, + CONFIG_VIRT_XFER_TO_GUEST_WORK must also be set to ensure that any pending work, such as POSIX timer expiration, is handled before transitioning into guest mode. =20 --=20 2.51.0