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SubjectRe: Oddness in i_shared_lock and page_table_lock nesting hierarchies ?

> The fix we agreed on back then is easy (make rest of kernel match
> vmtruncate()'s locking order), it just takes time to implement and
> test.


I was looking into the vmm code and trying to work out exactly how to fix
this, and there are
some questions in my mind - mainly a few cases (involving multiple vma
updates) which
I'm not sure about the cleanest way to tackle.
But before I bother anyone with those, I thought I ought to go through
the earlier discussions
that you had while coming up with what the fix should be. Maybe you've
already gone over
this once.
Could you point me to those ? Somehow I haven't been successful in
locating them.


Suparna Bhattacharya
Systems Software Group, IBM Global Services, India
E-mail :
Phone : 91-80-5267117, Extn : 2525

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