2013/4/25 Ingo Molnar <mi...@kernel.org>: > > * Frederic Weisbecker <fweis...@gmail.com> wrote: > >> 2013/4/25 Ingo Molnar <mi...@kernel.org>: >> > >> > * Frederic Weisbecker <fweis...@gmail.com> wrote: >> > >> >> > depends on VIRT_CPU_ACCOUNTING_GEN >> >> > >> >> > It should _really_ select both the RCU and the CPU time accounting model >> >> > automatically! >> >> >> >> Yeah I know. I have yet to fix that in Kconfig (it's a Kconfig >> >> limitation). >> > >> > Why cannot we simply select it and its dependencies, explicitly, for the >> > time being? Something like: >> > >> > depends on 64BIT >> > select VIRT_CPU_ACCOUNTING >> > select VIRT_CPU_ACCOUNTING_GEN >> > >> > 90% of the .config's have VIRT_CPU_ACCOUNTING_GEN turned off, because it's >> > a default-off feature - so dynticks-full is effectively hidden from the >> > large majority of testers... >> >> Whatever we do, it seems that select does not work with choices. >> >> Michal, we are running into an issue where a Kconfig option needs to >> select CONFIG_VIRT_CPU_ACCOUNTING_GEN but this latter option is part of >> a choice menu so it doesn't work. As a result we are forced to use a >> "depends on" and this hides the high level option we are interested in >> (here full dynticks) behind its low level dependency. How hard do you >> think it would be to fix this? I tried something that worked half-way >> but I quickly got lost in the Kconfig maze. > > While it's not an ideal solution, we could try to create three bools out > of the choice options, as a workaround?
I thought about that yeah, at least for a temporary solution. Let's try it, I'll see what I can get. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
