linuxkit/kernel/patches-4.19.x-rt/0053-mips-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

23 lines
705 B
Diff

Subject: mips: Disable highmem on RT
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:10:12 +0200
The current highmem handling on -RT is not compatible and needs fixups.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/mips/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2517,7 +2517,7 @@ config MIPS_CRC_SUPPORT
#
config HIGHMEM
bool "High Memory Support"
- depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
+ depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA && !PREEMPT_RT_FULL
config CPU_SUPPORTS_HIGHMEM
bool