linux-kernel - [patch] preempt: select PREEMPT_DYNAMIC under PREEMPTION instead of PREEMPT

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Message-ID: <7d129a84b0858fd7fbc3e38ede62a848fbec536e.camel@gmx.de>
Date:   Tue, 09 Feb 2021 14:45:37 +0100
From:   Mike Galbraith <efault@....de>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Michal Hocko <mhocko@...nel.org>
Subject: [patch] preempt: select PREEMPT_DYNAMIC under PREEMPTION instead of
 PREEMPT


PREEMPT_RT and PREEMPT both needs PREEMPT_DYNAMIC to build, so move
selection of PREEMPT_DYNAMIC to the common denominator, PREEMPTION.

Signed-off-by: Mike Galbraith <efault@....de>
---
 kernel/Kconfig.preempt |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -40,7 +40,6 @@ config PREEMPT
 	depends on !ARCH_NO_PREEMPT
 	select PREEMPTION
 	select UNINLINE_SPIN_UNLOCK if !ARCH_INLINE_SPIN_UNLOCK
-	select PREEMPT_DYNAMIC if HAVE_PREEMPT_DYNAMIC
 	help
 	  This option reduces the latency of the kernel by making
 	  all kernel code (that is not executing in a critical section)
@@ -81,6 +80,7 @@ config PREEMPT_COUNT
 config PREEMPTION
        bool
        select PREEMPT_COUNT
+       select PREEMPT_DYNAMIC if HAVE_PREEMPT_DYNAMIC

 config PREEMPT_DYNAMIC
 	bool