config ARCH_HAS_MEMBARRIER_SYNC_CORE
bool
+config RSEQ
+ bool "Enable rseq() system call" if EXPERT
+ default y
+ depends on HAVE_RSEQ
+ select MEMBARRIER
+ help
+ Enable the restartable sequences system call. It provides a
+ user-space cache for the current CPU number value, which
+ speeds up getting the current CPU number from user-space,
+ as well as an ABI to speed up user-space operations on
+ per-CPU data.
+
+ If unsure, say Y.
+
+config DEBUG_RSEQ
+ default n
+ bool "Enabled debugging of rseq() system call" if EXPERT
+ depends on RSEQ && DEBUG_KERNEL
+ help
+ Enable extra debugging checks for the rseq system call.
+
+ If unsure, say N.
+
config EMBEDDED
bool "Embedded system"
option allnoconfig_y