From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/8] io-pgtable lock removal
Date: Wed, 5 Jul 2017 09:41:43 +0100 [thread overview]
Message-ID: <20170705084143.GA9378@arm.com> (raw)
In-Reply-To: <2d5f5ef3-32b1-76c6-6869-ff980557f8e8@broadcom.com>
On Tue, Jul 04, 2017 at 06:45:17PM -0700, Ray Jui wrote:
> Hi Will/Robin,
>
> Has anything functionally changed between PATCH v2 and v1? I'm seeing a
> very different L2 throughput with v2 (in general a lot worse with v2 vs.
> v1); however, I'm currently unable to reproduce the TLB sync timed out
> issue with v2 (without the patch from Will's email).
>
> It could also be something else that has changed in my setup, but so far
> I have not yet been able to spot anything wrong in the setup.
There were fixes, and that initially involved a DSB that was found to be
expensive. The patches queued in -next should have that addressed, so please
use those (or my for-joerg/arm-smmu/updates branch).
Will
next prev parent reply other threads:[~2017-07-05 8:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-08 11:51 [PATCH 0/8] io-pgtable lock removal Robin Murphy
2017-06-08 11:52 ` [PATCH 1/8] iommu/io-pgtable-arm-v7s: Check table PTEs more precisely Robin Murphy
2017-06-08 11:52 ` [PATCH 2/8] iommu/io-pgtable-arm: Improve split_blk_unmap Robin Murphy
2017-06-08 11:52 ` [PATCH 3/8] iommu/io-pgtable-arm-v7s: Refactor split_blk_unmap Robin Murphy
2017-06-08 11:52 ` [PATCH 4/8] iommu/io-pgtable: Introduce explicit coherency Robin Murphy
2017-06-08 11:52 ` [PATCH 5/8] iommu/io-pgtable-arm: Support lockless operation Robin Murphy
2017-06-08 11:52 ` [PATCH 6/8] iommu/io-pgtable-arm-v7s: " Robin Murphy
2017-06-08 11:52 ` [PATCH 7/8] iommu/arm-smmu: Remove io-pgtable spinlock Robin Murphy
2017-06-08 11:52 ` [PATCH 8/8] iommu/arm-smmu-v3: " Robin Murphy
2017-06-09 19:28 ` [PATCH 0/8] io-pgtable lock removal Nate Watterson
2017-06-15 0:40 ` Ray Jui
2017-06-15 12:25 ` John Garry
2017-06-20 13:37 ` Robin Murphy
2017-06-27 16:43 ` Ray Jui
2017-06-28 11:46 ` Will Deacon
2017-06-28 17:02 ` Ray Jui
2017-07-04 17:31 ` Will Deacon
2017-07-04 17:39 ` Ray Jui
2017-07-05 1:45 ` Ray Jui
2017-07-05 8:41 ` Will Deacon [this message]
2017-07-05 23:24 ` Ray Jui
2017-07-06 15:08 ` Will Deacon
2017-07-06 18:14 ` Ray Jui
2017-07-07 12:46 ` Will Deacon
2017-06-21 15:47 ` Joerg Roedel
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