Messages in this thread | | | Date | Thu, 27 May 2010 21:55:44 +0200 | From | Oleg Nesterov <> | Subject | [PATCH 0/2] blackfin: ptrace mm/sram_list fixes |
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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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