Problem of concurrency in arch/ppc/8260_io/uart.c

[Dan Malek]

Tom Rini wrote:

> KGDB still works for me.  Dan, any final thoughts / comments /
> objections?

In the last patch I saw, we are blocking interrupts for quite a while,
across a copy_from_user(), in 8xx_write().  This can cause large
interrupt latencies due to page faults, it would be nice if could fix that.

Thanks.


	-- Dan


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