linux-kernel - Re: [Xen-devel] [PATCH] xen-evtchn: Bind dyn evtchn:qemu-dm interrupt to next online VCPU

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Message-ID: <35eefa99-ba11-2c3d-f231-be48869d35e1@oracle.com>
Date:   Mon, 5 Jun 2017 12:46:06 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Anoob Soman <anoob.soman@...rix.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Cc:     jgross@...e.com
Subject: Re: [Xen-devel] [PATCH] xen-evtchn: Bind dyn evtchn:qemu-dm interrupt
 to next online VCPU

 
>> (BTW, I just noticed --- you don't need to initialize desc)
>
> Sorry, I didn't get it. Which desc doesn't need init ?

+static void evtchn_bind_interdom_next_vcpu(int evtchn)
+{
+	unsigned int selected_cpu, irq;
+	struct irq_desc *desc = NULL;  <====
+	unsigned long flags;
+
+	irq = irq_from_evtchn(evtchn);
+	desc = irq_to_desc(irq);



-boris