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Re: MP and device drivers

by Gavan Fantom :: Rate this Message:

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YAMAMOTO Takashi wrote:
> a concern is that, unless you never enter the driver with biglock held
> or you make all higher level interrupt handlers mp-safe beforehand,
> what the driver can do will be very limited due to the locking order
> constraint with biglock.

Would it be useful then to treat all drivers as non-mp-safe even if
they're flagged safe, unless all drivers with higher level interrupts
are declared mp-safe?

--
Gillette - the best a man can forget

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