From nobody Tue Dec 16 05:55:03 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 EE75620B21F; Thu, 8 May 2025 17:27:13 +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=1746725235; cv=none; b=InofBijt3BuyJqHN3dL/SQlxuzqSCJNZw3Z/3uAB471wLWA1Bh8hkplzy/1KZY8VmCSty0IhdRbhHjplaY69geum6OciiFCRsl/KBx6NYAVDWZJGlwa3QJk2US6Gt57Beg1jlQeCHIl82QkF1QB0hAfj3vslDCSGao626Dhsfy0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746725235; c=relaxed/simple; bh=Z1konojWv8bxnIxBBS6LNsNNq4m6F3O+yzUUkbVOZ2w=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=YI0QNlgXu5QH/nYqQi/ammoI6ttoN03geTaj6nj3wQX0B7xDWT6bevR1ZpnVsvUpgq2zwKJCE7gMkYcAjO+Lw/EgJgezVg9AZUS4B2DqccVPwIFGjDAP4LL5PC8t/piBp6tJCKUXO8TUunsJ7sThcVyYPNbSL9KvP6T38cBT5Q0= 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=dUMFVvt5; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=GyAND9h0; 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="dUMFVvt5"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="GyAND9h0" Date: Thu, 08 May 2025 17:27:11 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1746725232; 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=J/4iXgm9XPEVlOc7w7CieT5wYvTfrlGDc+pF0CASN24=; b=dUMFVvt5EZaev4dMdWCFHWCULaCdIIsSbp6dJVi7jD2EqK0PIylSXraC+lvbOabp5bwtoO z5dZ70J7Dj4FDz/o2OYEo93AoTNeD8RLOfNbWuIlbTZWDP6l+tEQ/CQU2BV0X/RFIzwkwP 3bICKmQRdhiPw+zZRaZAsFxmdUteCzZ4cwo0Dotf5Yg3xOi2cc6gvGzaSI1rLsVTcDe3SC Jl9WwzXrhBcu7U2zCeIElaHWALE8cQT74rDyiKNvaS7++4CAjbt70Ipmhpvi21DTix9/Oa wP5ZtwX/JN6aLYYoeacQO9JPtzDCIKth1SgNvYN3UoM9rWHpySXEXgqqhkHs5A== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1746725232; 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=J/4iXgm9XPEVlOc7w7CieT5wYvTfrlGDc+pF0CASN24=; b=GyAND9h0Cr7X0X3VnSSZjbsJyRPwPNImbGvEIb5J1zinnL9CzENVWmZsaNzx7ly1Elexcw esU6RGaO2zlIH0CA== From: "tip-bot2 for Frank Li" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: irq/msi] irqchip/gic-v3-its: Set IRQ_DOMAIN_FLAG_MSI_IMMUTABLE for ITS Cc: Frank Li , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250414-ep-msi-v18-3-f69b49917464@nxp.com> References: <20250414-ep-msi-v18-3-f69b49917464@nxp.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174672523121.406.3458922274949729976.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 irq/msi branch of tip: Commit-ID: fd120c38fefd26f1e23f308141f52098c1bbfb31 Gitweb: https://git.kernel.org/tip/fd120c38fefd26f1e23f308141f52098c= 1bbfb31 Author: Frank Li AuthorDate: Mon, 14 Apr 2025 14:30:57 -04:00 Committer: Thomas Gleixner CommitterDate: Wed, 07 May 2025 17:49:00 +02:00 irqchip/gic-v3-its: Set IRQ_DOMAIN_FLAG_MSI_IMMUTABLE for ITS Set the IRQ_DOMAIN_FLAG_MSI_IMMUTABLE flag for ITS, as it does not change the address/data pair after setup. Ensure compatibility with MSI users, such as PCIe Endpoint Doorbell, which require the address/data pair to remain unchanged. Enable PCIe endpoints to use ITS for triggering doorbells from the PCIe Root Complex (RC) side. Signed-off-by: Frank Li Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20250414-ep-msi-v18-3-f69b49917464@nxp.com --- drivers/irqchip/irq-gic-v3-its.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-= its.c index 0115ad6..fd6e7c1 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -5140,7 +5140,7 @@ static int its_init_domain(struct its_node *its) irq_domain_update_bus_token(inner_domain, DOMAIN_BUS_NEXUS); =20 inner_domain->msi_parent_ops =3D &gic_v3_its_msi_parent_ops; - inner_domain->flags |=3D IRQ_DOMAIN_FLAG_MSI_PARENT; + inner_domain->flags |=3D IRQ_DOMAIN_FLAG_MSI_PARENT | IRQ_DOMAIN_FLAG_MSI= _IMMUTABLE; =20 return 0; }