Date: Sat, 03 Sep 2005 08:18:02 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: sebastien.bourdeauducq@gmail.com Cc: freebsd-usb@freebsd.org Subject: Re: Mutexes in USB callbacks ? Message-ID: <20050903.081802.78021370.imp@bsdimp.com> In-Reply-To: <200509031614.51362.sebastien.bourdeauducq@gmail.com> References: <200509031614.51362.sebastien.bourdeauducq@gmail.com>
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In message: <200509031614.51362.sebastien.bourdeauducq@gmail.com>
Sebastien <sebastien.bourdeauducq@gmail.com> writes:
: Hello,
: Is it finally possible or not to acquire a mutex in an USB callback function,
: under FreeBSD 5-STABLE ?
: I have controversial information about this :(
Since the callback functions are called from an interrupt handler
which is an ithread protected by Giant, there should be no problems
doing this.
Warner
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