From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 25 Jul 2002 11:28:15 +0200 (CEST)
i think the networking code is a special case - nothing else relies on the
interaction of timers and IRQ contexts in such a deep way. (which it does
for performance reasons.) I'd say 99% of all cli()/sti() users are in the
'introduce a per-driver or per-subsystem lock' league Linus mentioned.
I'm sure the serial drivers used to. Look at how they were using
SERIAL_BH for example.
RMK's stuff fixes that so wrt. the current state of affairs you're
probably right.
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