On Tue, Jun 29, 2010 at 04:55, <[email protected]> wrote:
> blackfin: restore L1 base address and length to 0 after free
>
> Modified: trunk/arch/blackfin/include/asm/mmu_context.h (8951 => 8952)
>
> static inline void free_l1stack(void)
> {
> nr_l1stack_tasks--;
> - if (nr_l1stack_tasks == 0)
not specific to your change, but this l1stack code looks highly racey.
shouldnt nr_l1stack-tasks be an atomic_t or something ? and there's
no locking around the l1_stack_{base,len} ?
-mike
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