Re: [Xenomai-core] [Xenomai-git] Jan Kiszka : nucleus: Allow drop_u_mode syscall from any context

[Jan Kiszka <jan.kiszka@domain.hid>]

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On 2011-06-28 23:29, Gilles Chanteperdrix wrote:
> On 06/28/2011 11:01 PM, GIT version control wrote:
>> Module: xenomai-jki
>> Branch: for-upstream
>> Commit: 5597470d84584846875e8a35309e6302c768addf
>> URL:    http://git.xenomai.org/?p=xenomai-jki.git;a=commit;h=5597470d84584846875e8a35309e6302c768addf
>>
>> Author: Jan Kiszka <jan.kiszka@domain.hid>
>> Date:   Tue Jun 28 22:10:07 2011 +0200
>>
>> nucleus: Allow drop_u_mode syscall from any context
>>
>> xnshadow_sys_drop_u_mode already checks if the caller is a shadow. It
>> does that without issuing a warning message if the check fails - in
>> contrast to do_hisyscall_event. As user space may call this cleanup
>> service even for non-shadow threads (e.g. after shadow creation failed),
>> we better silence this warning.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@domain.hid>
> 
> Jan,
> 
> I have a branch here, which allocates u_mode in the shared heap, so,
> this syscall is about to become unnecessary.
> 
> See:
> http://git.xenomai.org/?p=xenomai-gch.git;a=shortlog;h=refs/heads/u_mode

Even better. When do you plan to merge all this? I'd like to finally fix
the various MPS fastlock breakages, specifically as they overlap with
other issues there.

Jan


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