linux-kernel - Re: [PATCH v4 0/2] dma-pool fixes

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Message-ID: <CAMi1Hd1DzJmqehvxkJ91vr_M_kzdujiHmgyuwUgQYei7VocgZg@mail.gmail.com>
Date:   Fri, 14 Aug 2020 18:48:35 +0530
From:   Amit Pundir <amit.pundir@...aro.org>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Christoph Hellwig <hch@....de>,
        lkml <linux-kernel@...r.kernel.org>,
        David Rientjes <rientjes@...gle.com>, jeremy.linton@....com,
        linux-rpi-kernel@...ts.infradead.org,
        Robin Murphy <robin.murphy@....com>,
        iommu <iommu@...ts.linux-foundation.org>
Subject: Re: [PATCH v4 0/2] dma-pool fixes

On Fri, 14 Aug 2020 at 15:56, Nicolas Saenz Julienne
<nsaenzjulienne@...e.de> wrote:
>
> Now that we have an explanation to Amir's issue, we can re-spin this
> series.

Hi, Smoke tested (boots AOSP to UI with Touch/WiFi/BT working) on my
Poco F1 phone, with upstream commit 00e4db51259a (+ 30 odd out of
tree patches [1]) and I see no obvious regressions.

For both the patches in the series:

Tested-by: Amit Pundir <amit.pundir@...aro.org>

[1] https://github.com/pundiramit/linux/commits/beryllium-mainline-display


>
> ---
> Changes since v3:
>  - Do not use memblock_start_of_DRAM()
>
> Changes since v2:
>  - Go back to v1's behavior for patch #2
>
> Changes since v1:
>  - Make cma_in_zone() more strict, GFP_KERNEL doesn't default to true
>    now
>
>  - Check if phys_addr_ok() exists prior calling it
>
> Christoph Hellwig (1):
>   dma-pool: fix coherent pool allocations for IOMMU mappings
>
> Nicolas Saenz Julienne (1):
>   dma-pool: Only allocate from CMA when in same memory zone
>
>  drivers/iommu/dma-iommu.c   |   4 +-
>  include/linux/dma-direct.h  |   3 -
>  include/linux/dma-mapping.h |   5 +-
>  kernel/dma/direct.c         |  13 +++-
>  kernel/dma/pool.c           | 145 +++++++++++++++++++-----------------
>  5 files changed, 92 insertions(+), 78 deletions(-)
>
> --
> 2.28.0
>