e193fab21a
> Establish interrupt handlers with proper softc per each zs device > rather than sharing them among all zs devices and searching softc > in handlers. > > The latter method is derived from ancient sun3 zs driver which tried > to reduce overhead on autovectored interrupts, but nowadays such hack > might cause recursive global locks on modern SMP capable framework. > > Fixes "5.99.30 sparc panic during startup" reported by Hauke Fath > on tech-kern@: > http://mail-index.NetBSD.org/tech-kern/2010/06/19/msg008374.html > and also tested by Jochen Kunz on SS20 with both serial and kbd console. > > Ok'ed by mrg@ and dyoung@. Noticed by martin@. |
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