linux-kernel - RE: [PATCH] Choose CPU based on allocated IRQs

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Message-ID: <CY4PR21MB0773D8F02354E91BC4711E03D7F30@CY4PR21MB0773.namprd21.prod.outlook.com>
Date:   Mon, 29 Oct 2018 20:16:30 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Long Li <longli@...rosoft.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] Choose CPU based on allocated IRQs

From: Long Li <longli@...rosoft.com>  Sent: Monday, October 22, 2018 6:41 PM
> 
> In irq_matrix, "available" is set when IRQs are allocated earlier in the IRQ
> assigning process.
> 
> Later, when IRQs are activated those values are not good indicators of what
> CPU to choose to assign to this IRQ.
> 
> Change to choose CPU for an IRQ based on how many IRQs are already allocated
> on this CPU.
> 
> Signed-off-by: Long Li <longli@...rosoft.com>

Reviewed-by:  Michael Kelley <mikelley@...rosoft.com>