Re: Build error in 3.18.y-stable-queue (s390)

[Sasha Levin <sasha.levin@oracle.com>]

On 03/24/2016 02:01 PM, Guenter Roeck wrote:
> On Thu, Mar 24, 2016 at 08:38:27AM -0400, Sasha Levin wrote:
>> Thanks for the report Guenter!
>>
>> On 03/23/2016 12:21 AM, Guenter Roeck wrote:
>>> On 03/22/2016 08:42 PM, Guenter Roeck wrote:
>>>> Hi Sasha,
>>>>
>>>> s390 builds in v3.18.y-stable-queue fail as follows.
>>>>
>>>> ./arch/s390/include/asm/mmu_context.h: In function 'init_new_context':
>>>> ./arch/s390/include/asm/mmu_context.h:33:3: error: implicit declaration of function 'mm_inc_nr_pmds'
>>>>
>>>> Culprit appears to be 's390/mm: four page table levels vs. fork'. It uses mm_inc_nr_pmds(),
>>>> which does not exist in v3.18.
>>
>> Should be fixed, I backported "mm: account pmd page tables to the process" as well.
>>
>>>> I noticed that arm64:allmodconfig builds fail as well, but that is not a new problem and
>>>> only seen with gcc 5.2 (or at least not with gcc 4.9.1). I'll see if I can track this down.
>>>>
>>>
>>> Fixing the arm64 problem will require patch f5e0a12ca2d9 ("arm64: psci: move psci firmware
>>> calls out of line"). The patch doesn't apply cleanly; there is a minor conflict in the
>>> arm64 Makefile. Let me know if you need me to send a backport.
>>
>> I've grabbed that commit.
>>
> 
> Now I get:
> 
> alpha, m32r, m68k, microblaze, parisc, sparc:
> 
> mm/mmap.c: In function 'exit_mmap':
> mm/mmap.c:2786:2: error: 'PUD_SHIFT' undeclared
> 
> s390:
> 
> ./arch/s390/include/asm/mmu_context.h: In function 'init_new_context':
> ./arch/s390/include/asm/mmu_context.h:30:22: error:
> 	'_ASCE_TYPE_REGION3' undeclared

Should be fixed now, I hope.

I better get more than just x86/ARM for cross compiling :/


Thanks,
Sasha