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From: Quentin Perret <qperret@google.com>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Alexandre TORGUE <alexandre.torgue@foss.st.com>,
	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: Thu, 22 Apr 2021 13:03:12 +0000	[thread overview]
Message-ID: <YIF0EIXylUJzIsTS@google.com> (raw)
In-Reply-To: <498b8759-1a70-d80f-3a4d-39042b4f608e@gmail.com>

On Wednesday 21 Apr 2021 at 08:17:28 (-0700), Florian Fainelli wrote:
> 5.10.31 works correctly and shows the following for my platform:
> 
> 40000000-fdffefff : System RAM
>   40200000-40eaffff : Kernel code
>   40eb0000-4237ffff : reserved
>   42380000-425affff : Kernel data
>   45000000-450fffff : reserved
>   47000000-4704ffff : reserved
>   4761e000-47624fff : reserved
>   f8c00000-fdbfffff : reserved
> fdfff000-ffffffff : reserved
> 100000000-13fffffff : System RAM
>   13b000000-13effffff : reserved
>   13f114000-13f173fff : reserved
>   13f174000-13f774fff : reserved
>   13f775000-13f7e8fff : reserved
>   13f7eb000-13f7ecfff : reserved
>   13f7ed000-13f7effff : reserved
>   13f7f0000-13fffffff : reserved

OK, so if we're confident this works from 5.10 onwards, I would suggest
to follow Ard's original suggestion to revert this patch from older
LTSes as we're clearly missing something there.

Thanks,
Quentin

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Quentin Perret <qperret@google.com>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Alexandre TORGUE <alexandre.torgue@foss.st.com>,
	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: Thu, 22 Apr 2021 13:03:12 +0000	[thread overview]
Message-ID: <YIF0EIXylUJzIsTS@google.com> (raw)
In-Reply-To: <498b8759-1a70-d80f-3a4d-39042b4f608e@gmail.com>

On Wednesday 21 Apr 2021 at 08:17:28 (-0700), Florian Fainelli wrote:
> 5.10.31 works correctly and shows the following for my platform:
> 
> 40000000-fdffefff : System RAM
>   40200000-40eaffff : Kernel code
>   40eb0000-4237ffff : reserved
>   42380000-425affff : Kernel data
>   45000000-450fffff : reserved
>   47000000-4704ffff : reserved
>   4761e000-47624fff : reserved
>   f8c00000-fdbfffff : reserved
> fdfff000-ffffffff : reserved
> 100000000-13fffffff : System RAM
>   13b000000-13effffff : reserved
>   13f114000-13f173fff : reserved
>   13f174000-13f774fff : reserved
>   13f775000-13f7e8fff : reserved
>   13f7eb000-13f7ecfff : reserved
>   13f7ed000-13f7effff : reserved
>   13f7f0000-13fffffff : reserved

OK, so if we're confident this works from 5.10 onwards, I would suggest
to follow Ard's original suggestion to revert this patch from older
LTSes as we're clearly missing something there.

Thanks,
Quentin

  reply	other threads:[~2021-04-22 13:05 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-20 14:02 [v5.4 stable] arm: stm32: Regression observed on "no-map" reserved memory region Alexandre TORGUE
2021-04-20 14:45 ` Rob Herring
2021-04-20 15:12   ` Alexandre TORGUE
2021-04-20 15:54     ` Rob Herring
2021-04-20 15:54       ` Rob Herring
2021-04-20 16:10       ` Ard Biesheuvel
2021-04-20 16:10         ` Ard Biesheuvel
2021-04-20 16:33         ` Florian Fainelli
2021-04-20 16:33           ` Florian Fainelli
2021-04-21  8:31           ` Quentin Perret
2021-04-21  8:31             ` Quentin Perret
2021-04-21  8:45             ` Quentin Perret
2021-04-21  8:45               ` Quentin Perret
2021-04-21 14:33             ` Florian Fainelli
2021-04-21 14:33               ` Florian Fainelli
2021-04-21 15:17               ` Florian Fainelli
2021-04-21 15:17                 ` Florian Fainelli
2021-04-22 13:03                 ` Quentin Perret [this message]
2021-04-22 13:03                   ` Quentin Perret
2021-04-22 12:59               ` Quentin Perret
2021-04-22 12:59                 ` Quentin Perret
2021-05-07 15:15                 ` Alexandre TORGUE
2021-05-07 15:15                   ` Alexandre TORGUE
2021-05-10 10:09                   ` Quentin Perret
2021-05-10 10:09                     ` Quentin Perret
2021-05-12 10:55                     ` Alexandre TORGUE
2021-05-12 10:55                       ` Alexandre TORGUE
2021-05-12 12:34                       ` Quentin Perret
2021-05-12 12:34                         ` Quentin Perret
2021-05-12 12:44                         ` Alexandre TORGUE
2021-05-12 12:44                           ` Alexandre TORGUE
2021-04-20 21:05         ` Rob Herring
2021-04-20 21:05           ` Rob Herring

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