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

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On 9/20/22 13:23, Helge Deller wrote:
> 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.

Hi,
I can reproduce it using the (x86_64 hosted) crosstool gcc-12.1.0 from kernel.org that Arnd builds/provides.
https://mirrors.edge.kernel.org/pub/tools/crosstool/


I expect it's a matter of gcc not being built for the right target, but that's just a guess
on my part. I know nothing about configuring gcc for arch. targets.


-- 
~Randy



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