Commit 2cce9591 authored by H. Peter Anvin (Intel)'s avatar H. Peter Anvin (Intel) Committed by Thomas Gleixner
Browse files

x86/fred: Add Kconfig option for FRED (CONFIG_X86_FRED) 



Add the configuration option CONFIG_X86_FRED to enable FRED.

Signed-off-by: default avatarH. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: default avatarXin Li <xin3.li@intel.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarShan Kang <shan.kang@intel.com>
Link: https://lore.kernel.org/r/20231205105030.8698-6-xin3.li@intel.com
parent 51383e74

arch/x86/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -496,6 +496,15 @@ config X86_CPU_RESCTRL 


	  Say N if unsure.



config X86_FRED

	bool "Flexible Return and Event Delivery"

	depends on X86_64

	help

	  When enabled, try to use Flexible Return and Event Delivery

	  instead of the legacy SYSCALL/SYSENTER/IDT architecture for

	  ring transitions and exception/interrupt handling if the

	  system supports.



if X86_32

config X86_BIGSMP

	bool "Support for big SMP systems with more than 8 CPUs"