From: "Tian, Kevin" <kevin.tian@intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
Alex Williamson <alex.williamson@redhat.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
David Woodhouse <dwmw2@infradead.org>,
Jean-Philippe Brucker <jean-philippe@linaro.com>
Cc: "Raj, Ashok" <ashok.raj@intel.com>, Jonathan Cameron <jic23@kernel.org>
Subject: RE: [PATCH 02/10] iommu/vt-d: Set IOASID capacity when SVM is enabled
Date: Fri, 27 Mar 2020 08:08:30 +0000 [thread overview]
Message-ID: <AADFC41AFE54684AB9EE6CBC0274A5D19D7ED288@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <1585158931-1825-3-git-send-email-jacob.jun.pan@linux.intel.com>
> From: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Sent: Thursday, March 26, 2020 1:55 AM
>
> Assign system-wide PASID capacity with enumerated max value.
> Currently, all Intel SVM capable devices should support full 20 bits of
> PASID value.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
> ---
> drivers/iommu/intel-iommu.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
> index a699a765c983..ec3fc121744a 100644
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -3510,6 +3510,10 @@ static int __init init_dmars(void)
> if (ret)
> goto free_iommu;
>
> + /* PASID is needed for scalable mode irrespective to SVM */
> + if (intel_iommu_sm)
> + ioasid_install_capacity(intel_pasid_max_id);
> +
> /*
> * for each drhd
> * enable fault log
> --
> 2.7.4
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-03-27 8:08 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 17:55 [PATCH 00/10] IOASID extensions for guest SVA Jacob Pan
2020-03-25 17:55 ` [PATCH 01/10] iommu/ioasid: Introduce system-wide capacity Jacob Pan
2020-03-27 8:07 ` Tian, Kevin
2020-03-27 16:08 ` Jacob Pan
2020-04-01 13:45 ` Jean-Philippe Brucker
2020-04-01 22:50 ` Jacob Pan
2020-03-25 17:55 ` [PATCH 02/10] iommu/vt-d: Set IOASID capacity when SVM is enabled Jacob Pan
2020-03-27 8:08 ` Tian, Kevin [this message]
2020-03-25 17:55 ` [PATCH 03/10] iommu/ioasid: Introduce per set allocation APIs Jacob Pan
2020-03-26 2:12 ` Lu Baolu
2020-03-26 21:30 ` Jacob Pan
2020-03-27 8:38 ` Tian, Kevin
2020-03-27 16:59 ` Jacob Pan
2020-03-28 6:32 ` Tian, Kevin
2020-04-01 13:47 ` Jean-Philippe Brucker
2020-04-06 20:02 ` Jacob Pan
2020-04-07 11:01 ` Jean-Philippe Brucker
2020-04-21 21:51 ` Jacob Pan
2020-03-25 17:55 ` [PATCH 04/10] iommu/ioasid: Rename ioasid_set_data to avoid confusion with ioasid_set Jacob Pan
2020-03-27 9:35 ` Tian, Kevin
2020-03-25 17:55 ` [PATCH 05/10] iommu/ioasid: Create an IOASID set for host SVA use Jacob Pan
2020-03-27 9:41 ` Tian, Kevin
2020-03-27 17:28 ` Jacob Pan
2020-03-28 6:33 ` Tian, Kevin
2020-04-01 13:53 ` Jean-Philippe Brucker
2020-04-06 15:33 ` Jacob Pan
2020-04-07 11:01 ` Jean-Philippe Brucker
2020-04-13 22:06 ` Jacob Pan
2020-04-15 15:10 ` Jean-Philippe Brucker
2020-03-25 17:55 ` [PATCH 06/10] iommu/ioasid: Convert to set aware allocations Jacob Pan
2020-03-27 9:54 ` Tian, Kevin
2020-03-27 17:41 ` Jacob Pan
2020-03-28 6:40 ` Tian, Kevin
2020-04-06 20:07 ` Jacob Pan
2020-04-01 13:55 ` Jean-Philippe Brucker
2020-04-01 22:45 ` Jacob Pan
2020-03-25 17:55 ` [PATCH 07/10] iommu/ioasid: Use mutex instead of spinlock Jacob Pan
2020-03-27 9:55 ` Tian, Kevin
2020-04-01 13:58 ` Jean-Philippe Brucker
2020-03-25 17:55 ` [PATCH 08/10] iommu/ioasid: Introduce notifier APIs Jacob Pan
2020-03-27 10:03 ` Tian, Kevin
2020-03-27 18:36 ` Jacob Pan
2020-03-28 6:43 ` Tian, Kevin
2020-03-31 15:13 ` Jacob Pan
2020-04-01 14:00 ` Jean-Philippe Brucker
2020-04-10 15:43 ` Jacob Pan
2020-03-25 17:55 ` [PATCH 09/10] iommu/ioasid: Support ioasid_set quota adjustment Jacob Pan
2020-03-27 10:09 ` Tian, Kevin
2020-03-27 23:30 ` Jacob Pan
2020-03-28 6:44 ` Tian, Kevin
2020-03-25 17:55 ` [PATCH 10/10] iommu/vt-d: Register PASID notifier for status change Jacob Pan
2020-03-27 10:22 ` Tian, Kevin
2020-03-27 23:47 ` Jacob Pan
2020-04-01 14:03 ` [PATCH 00/10] IOASID extensions for guest SVA Jean-Philippe Brucker
2020-04-01 23:38 ` Jacob Pan
2020-04-02 12:26 ` Jean-Philippe Brucker
2020-04-02 16:09 ` Jacob Pan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=AADFC41AFE54684AB9EE6CBC0274A5D19D7ED288@SHSMSX104.ccr.corp.intel.com \
--to=kevin.tian@intel.com \
--cc=alex.williamson@redhat.com \
--cc=ashok.raj@intel.com \
--cc=baolu.lu@linux.intel.com \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jacob.jun.pan@linux.intel.com \
--cc=jean-philippe@linaro.com \
--cc=jic23@kernel.org \
--cc=joro@8bytes.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).