On Mon, 18 Apr 2011, John Baldwin wrote:
On Monday, April 18, 2011 4:02:10 pm Warner Losh wrote:
The problem is that this is a technical solution that precludes me from saying
"look, I know that this will be OK, so let me do it" I know
nothing has changed that would cause a problem.
We could easily support some sort of cpp #define to disable the automatic
MODULE_DEPEND() on the kernel. Then you could use
'make DEBUG_FLAGS="-DDISABLE_KERNEL_VERSION"'
or whatever the variable is called when building your kernel modules. You
could even have a DISABLE_KERNEL_VERSION make variable that adds that to
CFLAGS in bsd.kmod.mk and then set it to yes in your /etc/make.conf.
However, for normal users I think the precaution against loading an 8.x kld
on 7 is worth it.
I prefer never loading an a.x kld on b and wouldn't mind if it were
enforced (rm -rf /sys/modules...) :-). FreeBSD cluster machines all
do this (by expletively undeleting the definition of NO_MODULES so
that /boot/kernel has no modules). Modules may still be useful for
debugging.
Bruce
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