linuxkit/kernel/patches-4.19.x-rt/0052-power-disable-highmem-on-rt.patch
Tiejun Chen 92ebe10a62 enable 4.19.x-rt with preempt-rt Linux 4.19.15
Signed-off-by: Tiejun Chen <tiejun.china@gmail.com>
2019-03-04 13:43:55 -08:00

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Diff

Subject: powerpc: Disable highmem on RT
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:08:34 +0200
The current highmem handling on -RT is not compatible and needs fixups.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/powerpc/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -398,7 +398,7 @@ menu "Kernel options"
config HIGHMEM
bool "High memory support"
- depends on PPC32
+ depends on PPC32 && !PREEMPT_RT_FULL
source kernel/Kconfig.hz