Re: [PATCH] Make all it87 drivers SMP safe.
From: Alan Cox
Date: Fri Apr 08 2011 - 08:25:57 EST
> attempts to serialize access to the hardware by defining a global spinlock
> it87_io_lock in a file it87_lock.c. This lock has to be acquired by each
> of the it87 drivers before it can access the hardware. We have defined
I think this needs a NAK
The resource handler can do this for you and would ensure proper
behaviour.
See
IORESOURCE_MUXED
Providing the it87 drivers request the resources (which they need to do
anyway!) and use IORESOURCE_MUXED, it should all work ?
Alan
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