[PATCH 0/2] blackfin: ptrace mm/sram_list fixes

[Oleg Nesterov]

On 05/26, Oleg Nesterov wrote:
>
> On 05/25, Mike Frysinger wrote:
> >
> > we probably should add proper locking to this
> > structure though.
>
> Agreed. I'll try to make the trivial patch tomorrow. I think we
> can just use mm->mmap_sem, is_user_addr_valid() needs this lock
> for find_vma() anyway.

please see the patches.

UNTESTED! the second one certainly needs the review from someone
who knows what this code does ;)

BTW. Obviously sys_sram_alloc() can create multiple sram_list_struct
nodes with the same ->addr (with or without this patch), I hope this
is fine.

Oleg.

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