On Mon, 30 Sep 2002, Dipankar Sarma wrote:
> Ingo,
>
> Is it possible that queue_task() handlers in earlier driver code may
> have depended on implicit serialization against corresponding timer
> handlers since each of those is run from BHs ? If so, isn't that an
> issue now with no BHs ? Or, is it safe to assume that general smp-safety
> code in the drivers will take care of serialization between timers and
> work-queues ?
yes, this is true - such drivers need to use spinlocks. But since
basically every driver abstraction within the kernel already necessiates
per-driver spinlocks, this should be straightforward in most cases.
Ingo
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This archive was generated by hypermail 2b29 : Mon Sep 30 2002 - 22:00:47 EST