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sys/conf/options.amd64
# $FreeBSD$ | # $FreeBSD$ | ||||
# Options specific to AMD64 platform kernels | # Options specific to AMD64 platform kernels | ||||
AUTO_EOI_1 opt_auto_eoi.h | AUTO_EOI_1 opt_auto_eoi.h | ||||
AUTO_EOI_2 opt_auto_eoi.h | AUTO_EOI_2 opt_auto_eoi.h | ||||
COUNT_XINVLTLB_HITS opt_smp.h | COUNT_XINVLTLB_HITS opt_smp.h | ||||
COUNT_IPIS opt_smp.h | COUNT_IPIS opt_smp.h | ||||
KERNEL_PROTECTION opt_pmap.h | |||||
kib: I do not see a need in the kernel option. This should work or not be done at all.
In fact, I… | |||||
jtlAuthorUnsubmitted Not Done Inline ActionsI decided we might need a tunable for debugging purposes. In particular, one way to set breakpoints is to modify instructions. Or, there might be a need to modify random memory as part of debugging. I'm perfectly fine with removing the kernel option and activating it by default. jtl: I decided we might need a tunable for debugging purposes. In particular, one way to set… | |||||
kibUnsubmitted Not Done Inline ActionsI did not added the option when I set NX on DMAP, see r316767. kib: I did not added the option when I set NX on DMAP, see r316767. | |||||
jhbUnsubmitted Not Done Inline ActionsAgreed on only adding a tunable (and defaulting to new behavior) and not adding the kernel option. jhb: Agreed on only adding a tunable (and defaulting to new behavior) and not adding the kernel… | |||||
MAXMEM | MAXMEM | ||||
MPTABLE_FORCE_HTT | MPTABLE_FORCE_HTT | ||||
MP_WATCHDOG | MP_WATCHDOG | ||||
NKPT opt_pmap.h | NKPT opt_pmap.h | ||||
PV_STATS opt_pmap.h | PV_STATS opt_pmap.h | ||||
# Options for emulators. These should only be used at config time, so | # Options for emulators. These should only be used at config time, so | ||||
# they are handled like options for static filesystems | # they are handled like options for static filesystems | ||||
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I do not see a need in the kernel option. This should work or not be done at all.
In fact, I do not see a need in the tunable. Perhaps only as the opt-out on machines where the feature appeared buggy. But it should be fixed.