From 2638e4e6b18233d7ec54edb953f253ae9515bac2 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Fri, 6 Sep 2024 12:59:06 +0200 Subject: [PATCH] riscv: Allow to enable PREEMPT_RT. It is really time. riscv has all the required architecture related changes, that have been identified over time, in order to enable PREEMPT_RT. With the recent printk changes, the last known road block has been addressed. Allow to enable PREEMPT_RT on riscv. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Thomas Gleixner Tested-by: Nam Cao # Visionfive 2 Link: https://lore.kernel.org/all/20240906111841.562402-4-bigeasy@linutronix.de --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 86d1f1cea571..82724bc95b74 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -65,6 +65,7 @@ config RISCV select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000 select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU select ARCH_SUPPORTS_PER_VMA_LOCK if MMU + select ARCH_SUPPORTS_RT select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK select ARCH_USE_CMPXCHG_LOCKREF if 64BIT select ARCH_USE_MEMTEST