From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: "Raj, Ashok" <ashok.raj@intel.com>
Cc: iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
Alex Williamson <alex.williamson@redhat.com>,
Jean-Philippe Brucker <jean-philippe@linaro.com>,
Yi Liu <yi.l.liu@intel.com>, "Tian, Kevin" <kevin.tian@intel.com>,
Christoph Hellwig <hch@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
Jonathan Cameron <jic23@kernel.org>,
Eric Auger <eric.auger@redhat.com>,
jacob.jun.pan@linux.intel.com
Subject: Re: [PATCH v6 02/10] iommu/vt-d: Add custom allocator for IOASID
Date: Wed, 23 Oct 2019 16:04:03 -0700 [thread overview]
Message-ID: <20191023160403.1bc56772@jacob-builder> (raw)
In-Reply-To: <20191022210400.357e69a9@jacob-builder>
On Tue, 22 Oct 2019 21:04:00 -0700
Jacob Pan <jacob.jun.pan@linux.intel.com> wrote:
> > > + if (cap_caching_mode(iommu->cap) &&
> > > sm_supported(iommu)) {
> >
> > do you need to check against cap_caching_mode() or ecap_vcmd?
> >
> I guess ecap_vcmd() will suffice. Kind of redundant.
Actually, we can check vcmd and vcmd_pasid here, then we dont need to
check it on every alloc/free calls.
Thanks,
Jacob
next prev parent reply other threads:[~2019-10-23 22:59 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-22 23:53 [PATCH v6 00/10] Nested Shared Virtual Address (SVA) VT-d support Jacob Pan
2019-10-22 23:53 ` [PATCH v6 01/10] iommu/vt-d: Enlightened PASID allocation Jacob Pan
2019-10-23 0:45 ` Raj, Ashok
2019-10-23 1:53 ` Lu Baolu
2019-10-23 17:55 ` Jacob Pan
2019-10-23 21:11 ` Jacob Pan
2019-10-25 1:42 ` Lu Baolu
2019-10-25 1:39 ` Lu Baolu
2019-10-22 23:53 ` [PATCH v6 02/10] iommu/vt-d: Add custom allocator for IOASID Jacob Pan
2019-10-23 0:51 ` Raj, Ashok
2019-10-23 2:21 ` Lu Baolu
2019-10-23 23:01 ` Jacob Pan
2019-10-25 1:44 ` Lu Baolu
2019-10-23 4:04 ` Jacob Pan
2019-10-23 23:04 ` Jacob Pan [this message]
2019-10-22 23:53 ` [PATCH v6 03/10] iommu/vt-d: Replace Intel specific PASID allocator with IOASID Jacob Pan
2019-10-23 0:58 ` Raj, Ashok
2019-10-23 4:19 ` Jacob Pan
2019-10-22 23:53 ` [PATCH v6 04/10] iommu/vt-d: Move domain helper to header Jacob Pan
2019-10-22 23:53 ` [PATCH v6 05/10] iommu/vt-d: Avoid duplicated code for PASID setup Jacob Pan
2019-10-22 23:53 ` [PATCH v6 06/10] iommu/vt-d: Add nested translation helper function Jacob Pan
2019-10-22 23:53 ` [PATCH v6 07/10] iommu/vt-d: Misc macro clean up for SVM Jacob Pan
2019-10-22 23:53 ` [PATCH v6 08/10] iommu/vt-d: Add bind guest PASID support Jacob Pan
2019-10-22 23:53 ` [PATCH v6 09/10] iommu/vt-d: Support flushing more translation cache types Jacob Pan
2019-10-22 23:53 ` [PATCH v6 10/10] iommu/vt-d: Add svm/sva invalidate function Jacob Pan
2019-10-23 0:27 ` [PATCH v6 00/10] Nested Shared Virtual Address (SVA) VT-d support Raj, Ashok
2019-10-23 13:46 ` Jacob Pan
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