Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752259AbdGDVP4 (ORCPT <rfc822;w@1wt.eu>);
        Tue, 4 Jul 2017 17:15:56 -0400
Received: from Galois.linutronix.de ([146.0.238.70]:50194 "EHLO
        Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1752169AbdGDVPz (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 4 Jul 2017 17:15:55 -0400
Date: Tue, 4 Jul 2017 23:15:49 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Marc Zyngier <marc.zyngier@arm.com>
cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        kvmarm@lists.cs.columbia.edu,
        Christoffer Dall <christoffer.dall@linaro.org>,
        Jason Cooper <jason@lakedaemon.net>,
        Eric Auger <eric.auger@redhat.com>,
        Shanker Donthineni <shankerd@codeaurora.org>,
        Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH v2 01/52] genirq: Let irq_set_vcpu_affinity() iterate
 over hierarchy
In-Reply-To: <20170628150411.15846-2-marc.zyngier@arm.com>
Message-ID: <alpine.DEB.2.20.1707042315370.2131@nanos>
References: <20170628150411.15846-1-marc.zyngier@arm.com> <20170628150411.15846-2-marc.zyngier@arm.com>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 487
Lines: 15



On Wed, 28 Jun 2017, Marc Zyngier wrote:

> When assigning an interrupt to a vcpu, it is not unlikely that
> the level of the hierarchy implementing irq_set_vcpu_affinity
> is not the top level (think a generic MSI domain on top of a
> virtualization aware interrupt controller).
> 
> In such a case, let's iterate over the hierarchy until we find
> an irqchip implementing it.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>