Re: MP and device drivers
Gavan Fantom <[email protected]> Thu, 21 Sep 2006 15:37:56 +0100
| Newsgroups | gmane.os.netbsd.devel.smp |
|---|---|
| Message-ID | <[email protected]> |
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