RPI-RT: add preempt-RT to openEuler 5.10.0-99.0.0

Signed-off-by: zhangyuanhang <zhangyuanhang@kylinos.cn>

0002-modify-bcm2711_defconfig-for-rt-rpi-kernel.patch

@@ -0,0 +1,34 @@
+From 5b8683729aea03fb81092be5817f80365f49eee6 Mon Sep 17 00:00:00 2001
+From: zhangyuanhang <zhangyuanhang@kylinos.cn>
+Date: Fri, 29 Apr 2022 16:57:28 +0800
+Subject: [PATCH 2/2] modify bcm2711_defconfig for rt rpi kernel
+
+Signed-off-by: zhangyuanhang <zhangyuanhang@kylinos.cn>
+---
+ arch/arm64/configs/bcm2711_defconfig | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/arch/arm64/configs/bcm2711_defconfig b/arch/arm64/configs/bcm2711_defconfig
+index 75333e69e..11a7eeb8d 100644
+--- a/arch/arm64/configs/bcm2711_defconfig
++++ b/arch/arm64/configs/bcm2711_defconfig
+@@ -6,6 +6,7 @@ CONFIG_GENERIC_IRQ_DEBUGFS=y
+ CONFIG_NO_HZ=y
+ CONFIG_HIGH_RES_TIMERS=y
+ CONFIG_PREEMPT=y
++CONFIG_PREEMPT_RT=y
+ CONFIG_BSD_PROCESS_ACCT=y
+ CONFIG_BSD_PROCESS_ACCT_V3=y
+ CONFIG_TASK_XACCT=y
+@@ -55,7 +56,7 @@ CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
+ CONFIG_CPUFREQ_DT=y
+ CONFIG_ARM_RASPBERRYPI_CPUFREQ=y
+ CONFIG_RASPBERRYPI_FIRMWARE=y
+-CONFIG_VIRTUALIZATION=y
++# CONFIG_VIRTUALIZATION is not set
+ CONFIG_KVM=y
+ CONFIG_CRYPTO_AES_ARM64_BS=m
+ CONFIG_JUMP_LABEL=y
+-- 
+2.33.0
+

_multibuild

@@ -1,4 +1,5 @@
 <multibuild>
   <flavor>raspberrypi-kernel</flavor>
   <flavor>kernel-rt</flavor>
+  <flavor>raspberrypi-kernel-rt</flavor>
 </multibuild>