linux-kernel - Re: Build regressions/improvements in v6.0-rc5

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Message-ID: <647e2197-8f89-f5a0-a60b-476aff2fd134@gmx.de>
Date:   Tue, 20 Sep 2022 22:23:34 +0200
From:   Helge Deller <deller@....de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-kernel@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-parisc@...r.kernel.org
Subject: Re: Build regressions/improvements in v6.0-rc5

On 9/12/22 11:22, Geert Uytterhoeven wrote:
> On Mon, 12 Sep 2022, Geert Uytterhoeven wrote:
>> JFYI, when comparing v6.0-rc5[1] to v6.0-rc4[3], the summaries are:
>>  - build errors: +16/-1
>
>    + /kisskb/src/arch/parisc/kernel/vdso32/restart_syscall.S: Error: .cfi_endproc without corresponding .cfi_startproc:  => 32
>    + /kisskb/src/arch/parisc/kernel/vdso32/restart_syscall.S: Error: bad or irreducible absolute expression:  => 16
>    + /kisskb/src/arch/parisc/kernel/vdso32/restart_syscall.S: Error: junk at end of line, first unrecognized character is `:':  => 16
>    + /kisskb/src/arch/parisc/kernel/vdso32/restart_syscall.S: Error: no such instruction: `be 0x100(%sr2,%r0)':  => 29
>    + /kisskb/src/arch/parisc/kernel/vdso32/restart_syscall.S: Error: no such instruction: `ldi 0,%r20':  => 30
>    + /kisskb/src/arch/parisc/kernel/vdso32/restart_syscall.S: Error: no such instruction: `ldw 0(%sp),%r31':  => 26
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: no such instruction: `ble 0x100(%sr2,%r0)':  => 46, 51
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: no such instruction: `ldi 0,%r25':  => 44
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: no such instruction: `ldi 1,%r25':  => 49
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: no such instruction: `ldi 173,%r20':  => 45, 50
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: unknown pseudo-op: `.callinfo':  => 40
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: unknown pseudo-op: `.entry':  => 41
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: unknown pseudo-op: `.exit':  => 54
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: unknown pseudo-op: `.proc':  => 39
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: unknown pseudo-op: `.procend':  => 55
>    + /kisskb/src/arch/parisc/kernel/vdso32/sigtramp.S: Error: unknown pseudo-op: `.stringz':  => 76
>
> parisc-gcc8/generic-32bit_defconfig
>
>> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/80e78fcce86de0288793a0ef0f6acf37656ee4cf/ (all 135 configs)
>> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/7e18e42e4b280c85b76967a9106a13ca61c16179/ (all 135 configs)

I see those errors on the kiss website, but I'm unable to reproduce them.
Downloaded that .config, used same compiler (from https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/8.5.0/)....
Not sure how to get this fixed.
If someone has an idea or can reproduce, please let me know.

Helge