linux-kernel - Re: [PATCH v8 08/10] iommu/vt-d: Add custom allocator for IOASID

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Date:   Fri, 10 Jan 2020 09:19:44 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Jacob Pan <jacob.jun.pan@...ux.intel.com>
Cc:     baolu.lu@...ux.intel.com, iommu@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>,
        Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>,
        "Tian, Kevin" <kevin.tian@...el.com>,
        Raj Ashok <ashok.raj@...el.com>, Yi Liu <yi.l.liu@...el.com>,
        Eric Auger <eric.auger@...hat.com>
Subject: Re: [PATCH v8 08/10] iommu/vt-d: Add custom allocator for IOASID

Hi,

On 1/10/20 6:06 AM, Jacob Pan wrote:
>>> +static void register_pasid_allocator(struct intel_iommu *iommu)
>>> +{
>>> +	if (!intel_iommu_sm) {
>> Use sm_supported(iommu) instead.
>>
> sounds good, seems we could separate the sm code more cleanly in the
> future to avoid all these checks.
> 

Agreed.

Best regards,
baolu