From: Quentin Perret <qperret@google.com>
To: Alexandre TORGUE <alexandre.torgue@foss.st.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Ard Biesheuvel <ardb@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sasha Levin <sashal@kernel.org>, stable <stable@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Nicolas Boichat <drinkcat@chromium.org>,
Stephen Boyd <swboyd@chromium.org>,
KarimAllah Ahmed <karahmed@amazon.de>,
Android Kernel Team <kernel-team@android.com>,
Architecture Mailman List <boot-architecture@lists.linaro.org>,
Frank Rowand <frowand.list@gmail.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [v5.4 stable] arm: stm32: Regression observed on "no-map" reserved memory region
Date: Wed, 12 May 2021 12:34:17 +0000 [thread overview]
Message-ID: <YJvLSbGh0YPRo0S2@google.com> (raw)
In-Reply-To: <e1da4a98-7521-518f-f85a-51e9c58b1fc3@foss.st.com>
On Wednesday 12 May 2021 at 12:55:53 (+0200), Alexandre TORGUE wrote:
> We saw that patches [1] and [2] cause issue on stable version (at least for
> 5.4). As you said issue can be seen with above device tree and check in
> /proc/iomem than gpu_reserved region is taken by the kernel as "System RAM".
>
> On v5.10 stream there are no issues seen taking patches [1]&[2] and the
> reason is linked to patches [3]&[4] which have been introduced in v5.10.0.
> Reverting them give me the same behavior than on stable version.
Thanks for confirming. Given that the patches were not really fixes, I
think reverting is still the best option. I've sent reverts to -stable
for 5.4 and prior:
https://lore.kernel.org/stable/20210512122853.3243417-1-qperret@google.com/
Cheers,
Quentin
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next prev parent reply other threads:[~2021-05-12 12:36 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4a4734d6-49df-677b-71d3-b926c44d89a9@foss.st.com>
[not found] ` <CAL_JsqKGG8E9Y53+az+5qAOOGiZRAA-aD-1tKB-hcOp+m3CJYw@mail.gmail.com>
[not found] ` <001f8550-b625-17d2-85a6-98a483557c70@foss.st.com>
2021-04-20 15:54 ` [v5.4 stable] arm: stm32: Regression observed on "no-map" reserved memory region Rob Herring
2021-04-20 16:10 ` Ard Biesheuvel
2021-04-20 16:33 ` Florian Fainelli
2021-04-21 8:31 ` Quentin Perret
2021-04-21 8:45 ` Quentin Perret
2021-04-21 14:33 ` Florian Fainelli
2021-04-21 15:17 ` Florian Fainelli
2021-04-22 13:03 ` Quentin Perret
2021-04-22 12:59 ` Quentin Perret
2021-05-07 15:15 ` Alexandre TORGUE
2021-05-10 10:09 ` Quentin Perret
2021-05-12 10:55 ` Alexandre TORGUE
2021-05-12 12:34 ` Quentin Perret [this message]
2021-05-12 12:44 ` Alexandre TORGUE
2021-04-20 21:05 ` Rob Herring
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