Re: [CHECKER] blocking w/ spinlock or interrupt's disabled

Manfred Spraul (manfred@colorfullife.com)
Sun, 18 Mar 2001 10:35:00 +0100

>> enclosed are 163 potential bugs in 2.4.1 where blocking functions are
> > called with either interrupts disabled or a spin lock held. The
> > checker works by:
>
> Here's the file manifest. Apologies.
>
> drivers/atm/idt77105.c
> [...]
> drivers/char/cyclades.c

Unortunately schedule() with disabled interrupts is a feature, it's
needed for the old (deprecated and waiting for termination in 2.5)
sleep_on() functions.

Is it difficult to split it into "interrupts disabled" and "spin lock
held"?

--


    Manfred








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