On Sun, 15 Mar 2009, Robert Watson wrote:
Remove IFF_NEEDSGIANT, a compatibility infrastructure introduced
in FreeBSD 5.x to allow network device drivers to run with Giant
despite the network stack being Giant-free. This significantly
simplifies calls into ioctl() on network interfaces, especially
in the multicast code, as well as eliminates deferred invocation
of interface if_start routines.
Disable the build on device drivers still depending on
IFF_NEEDSGIANT as they no longer compile. They will be removed
in a few weeks if they haven't been made MPSAFE in that time.
Disabled drivers:
if_ar
if_axe
if_aue
if_cdce
if_cue
if_kue
if_ray
if_rue
if_rum
if_sr
if_udav
if_ural
if_zyd
Drivers that were already disabled because of tty changes:
if_ppp
if_sl
On or around 1 April, I will remove these drivers from the repository if they
haven't been updated. Most of the above drivers have already been replaced by
the usb2 drivers of similar names. The only real exceptions are if_ar and
if_sr, which currently don't have MPSAFE variants but were still being
compiled.
Robert N M Watson
Computer Laboratory
University of Cambridge
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