Commit d2d6422f authored by Sebastian Andrzej Siewior's avatar Sebastian Andrzej Siewior Committed by Thomas Gleixner
Browse files

x86: Allow to enable PREEMPT_RT. 



It is really time.

x86 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 x86.

Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240906111841.562402-2-bigeasy@linutronix.de
parent c903327d

arch/x86/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -122,6 +122,7 @@ config X86 
	select ARCH_USES_CFI_TRAPS		if X86_64 && CFI_CLANG

	select ARCH_SUPPORTS_LTO_CLANG

	select ARCH_SUPPORTS_LTO_CLANG_THIN

	select ARCH_SUPPORTS_RT

	select ARCH_USE_BUILTIN_BSWAP

	select ARCH_USE_CMPXCHG_LOCKREF		if X86_CMPXCHG64

	select ARCH_USE_MEMTEST