stack synchronization

[M. Warner Losh]

In message: <6.1.2.0.2.20050109174427.0802c640 at pop3>
            Boris Dinkevich <dinkevich at gmail.com> writes:
: Hello everyone,
: 
: When going over the usb-host stack, it appears that synchronization is done 
: via splusb/x.
: But in the 5.3 release, these functions are implemented at stubs.
: 
: How is the sync done then ?
: 
: Also, with soft_interrupts, it appears there is no need for spls, am I 
: correct ?

Giant locking.

I have patches to move the interrupt outside of giant, but the rest of
the stack is still under giant locking.

Warner