linuxkit/kernel/patches-4.14.x-rt/0318-power-use-generic-rwsem-on-rt.patch
Tiejun Chen 9a88a5e986 Upgrade -rt patches to v4.14.29-rt25
Signed-off-by: Tiejun Chen <tiejun.china@gmail.com>
2018-03-30 21:10:01 -07:00

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Diff

From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: powerpc: Use generic rwsem on RT
Use generic code which uses rtmutex
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/powerpc/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -111,10 +111,11 @@ config LOCKDEP_SUPPORT
config RWSEM_GENERIC_SPINLOCK
bool
+ default y if PREEMPT_RT_FULL
config RWSEM_XCHGADD_ALGORITHM
bool
- default y
+ default y if !PREEMPT_RT_FULL
config GENERIC_LOCKBREAK
bool