linux-kernel - Re: Build regressions/improvements in v5.18-rc1

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Date:   Tue, 5 Apr 2022 08:45:25 +0200
From:   Helge Deller <deller@....de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-kernel@...r.kernel.org
Cc:     linux-parisc@...r.kernel.org,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Mike Marciniszyn <mike.marciniszyn@...nelisnetworks.com>
Subject: Re: Build regressions/improvements in v5.18-rc1

On 4/4/22 10:16, Geert Uytterhoeven wrote:
> On Mon, 4 Apr 2022, Geert Uytterhoeven wrote:
>> Below is the list of build error/warning regressions/improvements in
>> v5.18-rc1[1] compared to v5.17[2].
>>
>> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/3123109284176b1532874591f7c81f3837bbdc17/ (all 96 configs)
>> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/f443e374ae131c168a065ea1748feac6b2e76613/ (all 96 configs)
>>
>> *** ERRORS ***
> parisc64-gcc8/generic-64bit_defconfig
> parisc-gcc8/generic-32bit_defconfig
> parisc-gcc8/parisc-allmodconfig
> parisc-gcc8/parisc-allnoconfig

Someone needs to adjust how the parisc kernel is built on kisskb...

The parisc platform got vDSO support, so now the 32- and 64-bit
hppa compiler needs to be installed when building (for 64-bit).

In addition, it changed how to build a kernel:
 make ARCH=parisc                         # to build a 32-bit kernel
 or
 make ARCH=parisc64                       # to build a 64-bit kernel
(before ARCH=parisc was sufficient to build either for 32- or 64-bit).

And, in case "CROSS_COMPILE=" is given, you need to give "CROSS32_COMPILE=" as well.
It's preferred to leave out both CROSS[32]_COMPILE= parameters and let
the environment detect the compilers automatically. They just need to be in $PATH.

Who can change that on kisskb ?

Helge