From: Andriy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Jacob Pan <jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: "Tian,
Kevin" <kevin.tian-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Raj Ashok <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Jean-Philippe Brucker
<jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Alex Williamson
<alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: [PATCH 09/18] iommu/vt-d: Enlightened PASID allocation
Date: Tue, 9 Apr 2019 13:08:59 +0300 [thread overview]
Message-ID: <20190409100859.GF9224@smile.fi.intel.com> (raw)
In-Reply-To: <1554767973-30125-10-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
On Mon, Apr 08, 2019 at 04:59:24PM -0700, Jacob Pan wrote:
> From: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
>
> If Intel IOMMU runs in caching mode, a.k.a. virtual IOMMU, the
> IOMMU driver should rely on the emulation software to allocate
> and free PASID IDs. The Intel vt-d spec revision 3.0 defines a
> register set to support this. This includes a capability register,
> a virtual command register and a virtual response register. Refer
> to section 10.4.42, 10.4.43, 10.4.44 for more information.
>
> This patch adds the enlightened PASID allocation/free interfaces
> via the virtual command register.
> + pr_debug("vcmd alloc pasid\n");
Perhaps tracepoints should be in use?
OTOH we have function tracer, so, this message in any case is a noise.
And this is applicable to other similar cases.
--
With Best Regards,
Andy Shevchenko
WARNING: multiple messages have this Message-ID (diff)
From: Andriy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
Raj Ashok <ashok.raj@intel.com>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>,
iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
Alex Williamson <alex.williamson@redhat.com>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH 09/18] iommu/vt-d: Enlightened PASID allocation
Date: Tue, 9 Apr 2019 13:08:59 +0300 [thread overview]
Message-ID: <20190409100859.GF9224@smile.fi.intel.com> (raw)
Message-ID: <20190409100859.pftNvN-QSFWBiRcT5xwAS04ge6hTaZQJFB3Qvke9hFw@z> (raw)
In-Reply-To: <1554767973-30125-10-git-send-email-jacob.jun.pan@linux.intel.com>
On Mon, Apr 08, 2019 at 04:59:24PM -0700, Jacob Pan wrote:
> From: Lu Baolu <baolu.lu@linux.intel.com>
>
> If Intel IOMMU runs in caching mode, a.k.a. virtual IOMMU, the
> IOMMU driver should rely on the emulation software to allocate
> and free PASID IDs. The Intel vt-d spec revision 3.0 defines a
> register set to support this. This includes a capability register,
> a virtual command register and a virtual response register. Refer
> to section 10.4.42, 10.4.43, 10.4.44 for more information.
>
> This patch adds the enlightened PASID allocation/free interfaces
> via the virtual command register.
> + pr_debug("vcmd alloc pasid\n");
Perhaps tracepoints should be in use?
OTOH we have function tracer, so, this message in any case is a noise.
And this is applicable to other similar cases.
--
With Best Regards,
Andy Shevchenko
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2019-04-09 10:08 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 23:59 [PATCH 00/18] Shared virtual address IOMMU and VT-d support Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 01/18] drivers core: Add I/O ASID allocator Jacob Pan
2019-04-08 23:59 ` Jacob Pan
[not found] ` <1554767973-30125-2-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2019-04-09 10:00 ` Andriy Shevchenko
2019-04-09 10:00 ` Andriy Shevchenko
[not found] ` <20190409100049.GC9224-XvqNBM/wLWRrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2019-04-09 10:04 ` Christoph Hellwig
2019-04-09 10:04 ` Christoph Hellwig
2019-04-09 10:30 ` Andriy Shevchenko
2019-04-09 10:30 ` Andriy Shevchenko
2019-04-09 14:53 ` Paul E. McKenney
2019-04-09 14:53 ` Paul E. McKenney
2019-04-09 15:21 ` Andriy Shevchenko
2019-04-09 15:21 ` Andriy Shevchenko
2019-04-09 22:08 ` Paul E. McKenney
2019-04-09 22:08 ` Paul E. McKenney
2019-04-08 23:59 ` [PATCH 05/18] iommu: introduce device fault data Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-09 10:03 ` Andriy Shevchenko
2019-04-09 10:03 ` Andriy Shevchenko
[not found] ` <20190409100315.GD9224-XvqNBM/wLWRrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2019-04-09 16:44 ` Jacob Pan
2019-04-09 16:44 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 06/18] iommu: introduce device fault report API Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 10/18] iommu/vt-d: Add custom allocator for IOASID Jacob Pan
2019-04-08 23:59 ` Jacob Pan
[not found] ` <1554767973-30125-11-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2019-04-15 20:37 ` Alex Williamson
2019-04-15 20:37 ` Alex Williamson
2019-04-15 23:10 ` Jacob Pan
2019-04-15 23:10 ` Jacob Pan
2019-04-18 15:36 ` Jean-Philippe Brucker
2019-04-18 15:36 ` Jean-Philippe Brucker
[not found] ` <70c6b197-029e-94cd-2745-d4a193cbbcd0-5wv7dgnIgG8@public.gmane.org>
2019-04-19 4:29 ` Jacob Pan
2019-04-19 4:29 ` Jacob Pan
2019-04-23 10:53 ` Jean-Philippe Brucker
2019-04-23 10:53 ` Jean-Philippe Brucker
2019-04-16 15:30 ` Jacob Pan
2019-04-16 15:30 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 11/18] iommu/vt-d: Replace Intel specific PASID allocator with IOASID Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 12/18] iommu: Add guest PASID bind function Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 13/18] iommu/vt-d: Move domain helper to header Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 14/18] iommu/vt-d: Add nested translation support Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 15/18] iommu/vt-d: Add bind guest PASID support Jacob Pan
2019-04-08 23:59 ` Jacob Pan
[not found] ` <1554767973-30125-16-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2019-04-09 14:52 ` Andriy Shevchenko
2019-04-09 14:52 ` Andriy Shevchenko
2019-04-08 23:59 ` [PATCH 16/18] iommu: add max num of cache and granu types Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-09 14:53 ` Andriy Shevchenko
2019-04-09 14:53 ` Andriy Shevchenko
2019-04-08 23:59 ` [PATCH 17/18] iommu/vt-d: Support flushing more translation cache types Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 18/18] iommu/vt-d: Add svm/sva invalidate function Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-09 14:57 ` Andriy Shevchenko
2019-04-09 14:57 ` Andriy Shevchenko
2019-04-09 17:43 ` Jacob Pan
2019-04-09 17:43 ` Jacob Pan
2019-04-09 9:56 ` [PATCH 00/18] Shared virtual address IOMMU and VT-d support Andriy Shevchenko
2019-04-09 9:56 ` Andriy Shevchenko
[not found] ` <20190409095623.GB9224-XvqNBM/wLWRrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2019-04-09 16:33 ` Jacob Pan
2019-04-09 16:33 ` Jacob Pan
[not found] ` <1554767973-30125-1-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2019-04-08 23:59 ` [PATCH 02/18] ioasid: Add custom IOASID allocator Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-15 18:53 ` Alex Williamson
2019-04-15 18:53 ` Alex Williamson
2019-04-15 22:45 ` Jacob Pan
2019-04-15 22:45 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 03/18] ioasid: Convert ioasid_idr to XArray Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 04/18] driver core: add per device iommu param Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 07/18] iommu: Introduce attach/detach_pasid_table API Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-08 23:59 ` [PATCH 08/18] iommu: Introduce cache_invalidate API Jacob Pan
2019-04-08 23:59 ` Jacob Pan
2019-04-09 10:07 ` Andriy Shevchenko
2019-04-09 10:07 ` Andriy Shevchenko
2019-04-09 16:43 ` Jacob Pan
2019-04-09 16:43 ` Jacob Pan
2019-04-09 17:37 ` Andriy Shevchenko
2019-04-09 17:37 ` Andriy Shevchenko
2019-04-10 21:21 ` Jacob Pan
2019-04-10 21:21 ` Jacob Pan
2019-04-11 10:02 ` Andriy Shevchenko
2019-04-11 10:02 ` Andriy Shevchenko
2019-04-08 23:59 ` [PATCH 09/18] iommu/vt-d: Enlightened PASID allocation Jacob Pan
2019-04-08 23:59 ` Jacob Pan
[not found] ` <1554767973-30125-10-git-send-email-jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2019-04-09 10:08 ` Andriy Shevchenko [this message]
2019-04-09 10:08 ` Andriy Shevchenko
2019-04-09 16:34 ` Jacob Pan
2019-04-09 16:34 ` Jacob Pan
2019-04-15 17:25 ` [PATCH 00/18] Shared virtual address IOMMU and VT-d support Jacob Pan
2019-04-15 17:25 ` Jacob Pan
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