Date: Tue, 28 Jul 2009 07:35:39 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: Hans Petter Selasky <hselasky@FreeBSD.org> Cc: Perforce Change Reviews <perforce@FreeBSD.org> Subject: Re: PERFORCE change 166673 for review Message-ID: <1248784539.73923.4.camel@balrog.2hip.net> In-Reply-To: <200907281029.n6SATPUh047306@repoman.freebsd.org> References: <200907281029.n6SATPUh047306@repoman.freebsd.org>
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On Tue, 2009-07-28 at 10:29 +0000, Hans Petter Selasky wrote: > http://perforce.freebsd.org/chv.cgi?CH=166673 > > Change 166673 by hselasky@hselasky_laptop001 on 2009/07/28 10:28:46 > > > USB controller: > - allow disabling "root_mount_hold()" by setting a sysctl Shouldn't this be a tuneable? Possibly mirrored by a read only sysctl? robert. > Affected files ... > > .. //depot/projects/usb/src/sys/dev/usb/controller/usb_controller.c#22 edit > > Differences ... > > ==== //depot/projects/usb/src/sys/dev/usb/controller/usb_controller.c#22 (text+ko) ==== > > @@ -79,6 +79,10 @@ > "Debug level"); > #endif > > +static int usb_no_boot_wait = 0; > +SYSCTL_INT(_hw_usb, OID_AUTO, no_boot_wait, CTLFLAG_RW, &usb_no_boot_wait, 0, > + "No device enumerate waiting at boot."); > + > static uint8_t usb_post_init_called = 0; > > static devclass_t usb_devclass; > @@ -132,8 +136,10 @@ > return (ENXIO); > } > > - /* delay vfs_mountroot until the bus is explored */ > - bus->bus_roothold = root_mount_hold(device_get_nameunit(dev)); > + if (usb_no_boot_wait == 0) { > + /* delay vfs_mountroot until the bus is explored */ > + bus->bus_roothold = root_mount_hold(device_get_nameunit(dev)); > + } > > if (usb_post_init_called) { > mtx_lock(&Giant); -- Robert Noland <rnoland@FreeBSD.org> FreeBSD
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