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Re: [PATCH] Add finit_module syscall for Linux

On Fri, Jan 25, 2013 at 9:31 AM, KOSAKI Motohiro
<> wrote:
> Seems they can be separated 5 categories
> 1. only one or few specific application use.
>>     delete_module(2)      [calling signature changed in 2.6.x]
>>     finit_module(2)
>>     init_module(2)
>>     kcmp(2)
>>     kexec_load(2)
>>     modify_ldt(2)
>>     perf_event_open(2)
>>     pivot_root(2)
>>     s390_runtime_instr(2) [s390 specific]
>>     spu_create(2)         [PowerPC specific]
>>     spu_run(2)            [PowerPC specific]
>>     subpage_prot(2)       [PowerPC specific]

Is the suggestion that this one/few use category shouldn't be handled
by glibc? I'm okay with this, I just think it's trivial to support it
in glibc, and it seems the "friendly" solution to do so.

>>     gettid(2)
> Very frequently uses. because linux /proc uses tid. pthrad_self()
> don't help us when facing libc/kernel combination issue.
> I have no seen any issue of exporting.

Yeah, I've needed gettid() in multiple situations before. I think
having this available in glibc would be great.


Kees Cook
Chrome OS Security

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