linux-kernel - intel-ixp42x-welltech-epbx100 no longer boot due to 463dbba4d189 ("ARM: 9104/2: Fix Keystone 2 kernel mapping regression")

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Message-ID: <YVLD/UMRYA55WiGI@Red>
Date:   Tue, 28 Sep 2021 09:27:57 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     linusw@...nel.org, kaloz@...nwrt.org, khalasa@...p.pl,
        linux@...linux.org.uk
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: intel-ixp42x-welltech-epbx100 no longer boot due to 463dbba4d189
 ("ARM: 9104/2: Fix Keystone 2 kernel mapping regression")

Hello

I am working on puting my ixp4xx board on kernelCI.
But it no longer boot since 4.14.
It only prints "Starting kernelUncompressing Linux... done, booting the kernel." then nothing.

I bisected the break to 463dbba4d189 ("ARM: 9104/2: Fix Keystone 2 kernel mapping regression")

With this patch reverted on top of 4.14, 5.15-rc3 and next-20210927, the board boot successfully.

Regards