Re: [Xenomai] i-Pipi patch 3.14

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2014-10-30 10:16, Gilles Chanteperdrix wrote:
> On Thu, Oct 30, 2014 at 10:06:44AM +0100, Frede Florian wrote:
>> Hello,
>>
>> I tried to patch the Kernel 3.14.22 and there is two new lines in
>> the file fs/exec.c
>>
>> tsk->mm->vmacache_seqnum = 0;
>> vmacache_flush(tsk);
>>
>> I am not sure if the line from the iPipe patch should placed before
>> or after this lines...
>>
>> +    ipipe_mm_switch_unprotect(flags);
> 
> We do not have enough information to understand what you
> are talking about. Show us the conflict as obtained with git merge
> or with patch --merge to give us more information.

I've resolved the conflict with the vma caching that was back-ported to
3.14.x in ipipe-jki.git [1] (for-upstream/3.14 branch). Kernel works
fine so far, but I didn't look into the details, if that caching thing
affects us in the RT domain as well and requires more work.

Jan

[1] http://git.xenomai.org/ipipe-jki.git

-- 
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux