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Groups > linux.kernel > #1333013
| From | Yang Shi <yang.shi@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] lib/Kconfig: make PREEMPT_COUNT depend on PREEMPT in DEBUG_ATOMIC_SLEEP |
| Date | 2016-02-12 19:40 +0100 |
| Message-ID | <r1qNl-2ew-29@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
When building non-preempt kernel (PREEMPT_NONE), PREEMPT_COUNT is still enabled if DEBUG_ATOMIC_SLEEP is enabled. But, it sounds not make sense to have PREEMPT_COUNT set in non-preempt kernel. So, make PREEMPT_COUNT depend on PREEMPT here. Signed-off-by: Yang Shi <yang.shi@linaro.org> --- lib/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index ecb9e75..a5b6e11 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1075,7 +1075,7 @@ config DEBUG_LOCKDEP config DEBUG_ATOMIC_SLEEP bool "Sleep inside atomic section checking" - select PREEMPT_COUNT + select PREEMPT_COUNT if PREEMPT depends on DEBUG_KERNEL help If you say Y here, various routines which may sleep will become very -- 2.0.2
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[PATCH] lib/Kconfig: make PREEMPT_COUNT depend on PREEMPT in DEBUG_ATOMIC_SLEEP Yang Shi <yang.shi@linaro.org> - 2016-02-12 19:40 +0100 Re: [PATCH] lib/Kconfig: make PREEMPT_COUNT depend on PREEMPT in DEBUG_ATOMIC_SLEEP Peter Zijlstra <peterz@infradead.org> - 2016-02-13 13:20 +0100
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