linux-kernel - Re: [PATCH] s390/jump_label: Correct asm contraint

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Message-ID: <d7226c3e-6af3-714f-9444-44ba1a5b1f06@redhat.com>
Date:   Wed, 20 Feb 2019 10:40:54 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     Heiko Carstens <heiko.carstens@...ibm.com>
Cc:     Andreas Krebbel <krebbel@...ux.ibm.com>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390/jump_label: Correct asm contraint

On 2/20/19 12:58 AM, Heiko Carstens wrote:
> On Sat, Feb 09, 2019 at 12:34:20PM -0800, Laura Abbott wrote:
>> On 2/5/19 12:43 PM, Heiko Carstens wrote:
>>> On Tue, Jan 29, 2019 at 08:25:58AM +0100, Laura Abbott wrote:
>>>> On 1/23/19 5:24 AM, Heiko Carstens wrote:
>>>>> On Wed, Jan 23, 2019 at 01:55:13PM +0100, Laura Abbott wrote:
>>>>>> There's a build failure with gcc9:
>>>>>>
>>>>>>   ./arch/s390/include/asm/jump_label.h: Assembler messages:
>>>>>>   ./arch/s390/include/asm/jump_label.h:23: Error: bad expression
>>>>>>   ./arch/s390/include/asm/jump_label.h:23: Error: junk at end of line, first unrecognized character is `r'
>>>>>>   make[1]: *** [scripts/Makefile.build:277: init/main.o] Error 1
>>> ...
>>>> I've had to turn off s390 in Fedora until this gets fixed :(
>>>
>>> Laura, the patch below should fix this (temporarily). If possible,
>>> could you give it a try? It seems to work for me.
>>>
>>> Subject: [PATCH] s390: disable section anchors
>> Tested-by: Laura Abbott <labbott@...hat.com><
> 
> The patch won't be used. In the meantime Ilya provided a gcc 9 and
> kernel patch which should fix this. The kernel patch is available here
> https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git/commit/?h=features&id=146448524bddbf6dfc62de31957e428de001cbda
> and will go upstream during the next merge window.
> 
> Note: this obviously also requires to update the gcc 9 version in
> Fedora, so it contains Ilya's patch, to be able to compile the kernel.
> 
> Thanks,
> Heiko
> 

Thanks. I'll keep an eye out for that during the next merge
window.