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Date:   Thu, 5 Apr 2018 14:39:15 +0530
From:   Chintan Pandya <>
To:     Marc Zyngier <>,,,,
Subject: Re: [PATCH v8 0/4] Fix issues with huge mapping in ioremap for ARM64

On 4/3/2018 5:25 PM, Chintan Pandya wrote:
> On 4/3/2018 2:13 PM, Marc Zyngier wrote:
>> Hi Chintan,
> Hi Marc,
>> On 03/04/18 09:00, Chintan Pandya wrote:
>>> This series of patches are follow up work (and depends on)
>>> Toshi Kani <>'s patches "fix memory leak/
>>> panic in ioremap huge pages".
>>> This series of patches are tested on 4.9 kernel with Cortex-A75
>>> based SoC.
>> Given that this is targeting mainline, can you please test with 4.16?
>> Basing your patches on something that is over 15 months old is not
>> exactly reassuring.
> We have 4.14 ported with the devices (remotely) accessible to me. If
> that's sufficient, I will post test report by tomorrow.
> If we really require these patches to be tested with 4.16, I would need
> some help here.
Rajendra Nayak <> helped me with testing these
patches on 4.16 kernel (with all the dependent patches already part of
4.16) on SDM845.

In addition to kernel boot up, he executed my test-code which was
stressing ioremap framework and was able to reproduce the bug without
these patches (and Will Deacon's WA).

That passed 10hrs of run.

[36001.446355] IOREMAP_TEST: my tests ended now

Thanks Rajendra Nayak  for testing these patches.

> Thanks,
>> Thanks,
>>     M.
> Chintan

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