Date: Sun, 09 Jan 2005 16:13:57 -0800 From: Julian Elischer <julian@elischer.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: dinkevich@gmail.com Subject: Re: stack synchronization Message-ID: <41E1C8C5.4070605@elischer.org> In-Reply-To: <20050109.125213.02300240.imp@bsdimp.com> References: <6.1.2.0.2.20050109174427.0802c640@pop3> <20050109.125213.02300240.imp@bsdimp.com>
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M. Warner Losh wrote: > In message: <6.1.2.0.2.20050109174427.0802c640@pop3> > Boris Dinkevich <dinkevich@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. it may be worth just adding a single "usb system" lock.. > > Warner > _______________________________________________ > freebsd-usb@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-usb > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org"
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