Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
From:   Marc Zyngier <maz@kernel.org>
To:     linux-kernel <linux-kernel@vger.kernel.org>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        John Garry <john.garry@huawei.com>,
        Xiongfeng Wang <wangxiongfeng2@huawei.com>,
        David Decotigny <ddecotig@google.com>
Subject: [PATCH v3 3/3] irqchip/gic-v3: Always trust the managed affinity provided by the core code
Date:   Tue,  5 Apr 2022 19:50:40 +0100
Message-Id: <20220405185040.206297-4-maz@kernel.org>
In-Reply-To: <20220405185040.206297-1-maz@kernel.org>
References: <20220405185040.206297-1-maz@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Now that the core code has been fixed to always give us an affinity
that only includes online CPUs, directly use this affinity when
computing a target CPU.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 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 cd772973114a..2656efd5d2b6 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1624,7 +1624,7 @@ static int its_select_cpu(struct irq_data *d,
 
 		cpu = cpumask_pick_least_loaded(d, tmpmask);
 	} else {
-		cpumask_and(tmpmask, irq_data_get_affinity_mask(d), cpu_online_mask);
+		cpumask_copy(tmpmask, aff_mask);
 
 		/* If we cannot cross sockets, limit the search to that node */
 		if ((its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144) &&
-- 
2.34.1