From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
jroedel-l3A5Bk7waGM@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 6/6] iommu/arm-smmu: Make use of phandle iterators in device-tree parsing
Date: Tue, 29 Mar 2016 18:20:17 +0100 [thread overview]
Message-ID: <20160329172017.GL6745@arm.com> (raw)
In-Reply-To: <20160323115128.GB17838-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
On Wed, Mar 23, 2016 at 12:51:28PM +0100, Joerg Roedel wrote:
> On Tue, Mar 22, 2016 at 06:53:48PM +0000, Robin Murphy wrote:
> > In a stream-matching implementation, a device may quite legitimately
> > own anything up to _all_ of the stream IDs (32768, or 65536 if we
> > ever implement support for the SMMUv2 EXID extension), so this is
> > only a genuine limit for stream indexing (and if anyone ever
> > actually made one of those, I don't think they're running mainline
> > on it).
>
> Do you mean we might see a lot more than the currently 128 supported
> stream-ids for an smmu?
We might, but this patch is still an improvement for now.
Will
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] iommu/arm-smmu: Make use of phandle iterators in device-tree parsing
Date: Tue, 29 Mar 2016 18:20:17 +0100 [thread overview]
Message-ID: <20160329172017.GL6745@arm.com> (raw)
In-Reply-To: <20160323115128.GB17838@8bytes.org>
On Wed, Mar 23, 2016 at 12:51:28PM +0100, Joerg Roedel wrote:
> On Tue, Mar 22, 2016 at 06:53:48PM +0000, Robin Murphy wrote:
> > In a stream-matching implementation, a device may quite legitimately
> > own anything up to _all_ of the stream IDs (32768, or 65536 if we
> > ever implement support for the SMMUv2 EXID extension), so this is
> > only a genuine limit for stream indexing (and if anyone ever
> > actually made one of those, I don't think they're running mainline
> > on it).
>
> Do you mean we might see a lot more than the currently 128 supported
> stream-ids for an smmu?
We might, but this patch is still an improvement for now.
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Robin Murphy <robin.murphy@arm.com>,
Rob Herring <robh+dt@kernel.org>,
grant.likely@linaro.org, devicetree@vger.kernel.org,
jroedel@suse.de, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 6/6] iommu/arm-smmu: Make use of phandle iterators in device-tree parsing
Date: Tue, 29 Mar 2016 18:20:17 +0100 [thread overview]
Message-ID: <20160329172017.GL6745@arm.com> (raw)
In-Reply-To: <20160323115128.GB17838@8bytes.org>
On Wed, Mar 23, 2016 at 12:51:28PM +0100, Joerg Roedel wrote:
> On Tue, Mar 22, 2016 at 06:53:48PM +0000, Robin Murphy wrote:
> > In a stream-matching implementation, a device may quite legitimately
> > own anything up to _all_ of the stream IDs (32768, or 65536 if we
> > ever implement support for the SMMUv2 EXID extension), so this is
> > only a genuine limit for stream indexing (and if anyone ever
> > actually made one of those, I don't think they're running mainline
> > on it).
>
> Do you mean we might see a lot more than the currently 128 supported
> stream-ids for an smmu?
We might, but this patch is still an improvement for now.
Will
next prev parent reply other threads:[~2016-03-29 17:20 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-22 17:58 [PATCH 0/6] of: Implement iterator for phandles Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
[not found] ` <1458669509-7178-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-03-22 17:58 ` [PATCH 1/6] of: Introduce struct of_phandle_iterator Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` [PATCH 2/6] of: Move phandle walking to of_phandle_iterator_next() Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` [PATCH 3/6] of: Remove counting special case from __of_parse_phandle_with_args() Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` [PATCH 4/6] of: Introduce of_for_each_phandle() helper macro Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` [PATCH 5/6] of: Introduce of_phandle_iterator_args() Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` [PATCH 6/6] iommu/arm-smmu: Make use of phandle iterators in device-tree parsing Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
2016-03-22 17:58 ` Joerg Roedel
[not found] ` <1458669509-7178-7-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-03-22 18:38 ` Rob Herring
2016-03-22 18:38 ` Rob Herring
2016-03-22 18:38 ` Rob Herring
[not found] ` <CAL_JsqLncSjd7gyyN0FxfaBOWDbWz+qS_NKmVTsH4g0S_2ysww-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-23 11:47 ` [PATCH v2] iommu/arm-smmu: Make use of phandle iterators in device-tree " Joerg Roedel
2016-03-23 11:47 ` Joerg Roedel
2016-03-23 11:47 ` Joerg Roedel
[not found] ` <20160323114707.GA17838-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-03-23 15:18 ` kbuild test robot
2016-03-23 15:18 ` kbuild test robot
2016-03-23 15:18 ` kbuild test robot
2016-04-04 14:25 ` Joerg Roedel
2016-04-04 14:25 ` Joerg Roedel
2016-03-22 18:53 ` [PATCH 6/6] iommu/arm-smmu: Make use of phandle iterators in " Robin Murphy
2016-03-22 18:53 ` Robin Murphy
2016-03-22 18:53 ` Robin Murphy
[not found] ` <56F194BC.3020709-5wv7dgnIgG8@public.gmane.org>
2016-03-23 11:51 ` Joerg Roedel
2016-03-23 11:51 ` Joerg Roedel
2016-03-23 11:51 ` Joerg Roedel
[not found] ` <20160323115128.GB17838-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-03-29 17:20 ` Will Deacon [this message]
2016-03-29 17:20 ` Will Deacon
2016-03-29 17:20 ` Will Deacon
2016-03-29 17:22 ` Will Deacon
2016-03-29 17:22 ` Will Deacon
2016-03-29 17:22 ` Will Deacon
2016-04-04 14:24 ` Joerg Roedel
2016-04-04 14:24 ` Joerg Roedel
2016-03-22 18:45 ` [PATCH 0/6] of: Implement iterator for phandles Rob Herring
2016-03-22 18:45 ` Rob Herring
2016-03-22 18:45 ` Rob Herring
[not found] ` <CAL_JsqJ8f0+qQk4QQxyKmwtqnejCDxdjmrZf8480j54YXUTkVg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-23 11:54 ` Joerg Roedel
2016-03-23 11:54 ` Joerg Roedel
2016-03-23 11:54 ` Joerg Roedel
[not found] ` <20160323115457.GC17838-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-03-23 20:37 ` Rob Herring
2016-03-23 20:37 ` Rob Herring
2016-03-23 20:37 ` Rob Herring
[not found] ` <CAL_Jsq+85i+WD3wxnYoDg18v_KptVTQYTmkU_YVF00fvevwq_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-04 15:47 ` Joerg Roedel
2016-04-04 15:47 ` Joerg Roedel
2016-04-04 15:47 ` Joerg Roedel
-- strict thread matches above, loose matches on Subject: below --
2016-04-04 15:49 [PATCH 0/6 v2] " Joerg Roedel
[not found] ` <1459784962-9808-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-04-04 15:49 ` [PATCH 6/6] iommu/arm-smmu: Make use of phandle iterators in device-tree parsing Joerg Roedel
2016-04-04 15:49 ` Joerg Roedel
2016-04-04 15:49 ` Joerg Roedel
[not found] ` <1459784962-9808-7-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-04-14 17:16 ` Will Deacon
2016-04-14 17:16 ` Will Deacon
2016-04-14 17:16 ` Will Deacon
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=20160329172017.GL6745@arm.com \
--to=will.deacon-5wv7dgnigg8@public.gmane.org \
--cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org \
--cc=jroedel-l3A5Bk7waGM@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=robin.murphy-5wv7dgnIgG8@public.gmane.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.