On Tuesday, 17 October 2023 19:07:30 CEST Ben Hutchings wrote: > > > > I think it should be explicitly enabled (or disabled) and not be it > > > > dependent on some other, possibly unrelated, Kconfig option being > > > > enabled > > > > It seems an important difference between your view and mine is that you > > look at the end result, while I look at what's configured in the Debian > > kernel repo. > > > > While some options are enabled in the end result, NONE is configured in > > the Debian kernel repo. And that could have major, unwanted, consequences. > > Where are you seeing that? [salsa.d.o/kernel-team/linux]$ grep -r PREEMPT_DYNAMIC debian/config/ [0 results] > We enable CONFIG_PREEMPT_VOLUNTARY in debian/config/config. > That's replaced with CONFIG_PREEMPT_RT for the RT featureset, and with > CONFIG_PREEMPT for loongson-3 (as a bug workaround). > > The actual kernel configurations for 6.4 and 6.5 seem to be consistent > with this, except for the addition of CONFIG_PREEMPT_DYNAMIC on x86 > non-RT configurations. Yes, that's what I meant with 'end result': [amd64]$ grep PREEMPT_DYNAMIC /boot/config-6.5.0-2-amd64 CONFIG_PREEMPT_DYNAMIC=y CONFIG_HAVE_PREEMPT_DYNAMIC=y CONFIG_HAVE_PREEMPT_DYNAMIC_CALL=y [arm64]$ grep PREEMPT_DYNAMIC /boot/config-6.1.0-13-arm64 # CONFIG_PREEMPT_DYNAMIC is not set CONFIG_HAVE_PREEMPT_DYNAMIC=y CONFIG_HAVE_PREEMPT_DYNAMIC_KEY=y (I don't think the kernel version difference matters in this case)
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