From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yijing Wang <wangyijing-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Subject: Re: [Patch Part3 V5 5/8] iommu/vt-d: Enhance intel_irq_remapping
	driver to support DMAR unit hotplug
Date: Mon, 15 Sep 2014 10:20:49 +0800
Message-ID: <54164D01.4060003@huawei.com>
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Cc: Tony Luck <tony.luck-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-hotplug-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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> +static void ir_remove_ioapic_hpet_scope(struct intel_iommu *iommu)
> +{
> +	int i;
>  
> -			ir_parse_one_hpet_scope(scope, iommu);
> -		}
> -		start += scope->length;
> -	}
> +	for (i = 0; i < MAX_HPET_TBS; i++)
> +		if (ir_hpet[i].iommu == iommu)
> +			ir_hpet[i].iommu = NULL;

Hi Gerry, why not reset whole ir_hpe and ir_ioapic data struct?



>  
> -	return 0;
> +	for (i = 0; i < MAX_IO_APICS; i++)
> +		if (ir_ioapic[i].iommu == iommu)
> +			ir_ioapic[i].iommu = NULL;
>  }
>