1 files changed, 32 insertions, 0 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index 72f2fa189cc5..a62965d057f6 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -222,6 +222,19 @@ config HAVE_PERF_EVENTS_NMI
           subsystem.  Also has support for calculating CPU cycle events
           to determine how many clock cycles in a given period.
 
+config HAVE_PERF_REGS
+        bool
+        help
+          Support selective register dumps for perf events. This includes
+          bit-mapping of each registers and a unique architecture id.
+
+config HAVE_PERF_USER_STACK_DUMP
+        bool
+        help
+          Support user stack dumps for perf event samples. This needs
+          access to the user stack pointer which is not unified across
+          architectures.
+
 config HAVE_ARCH_JUMP_LABEL
         bool
 
@@ -281,4 +294,23 @@ config SECCOMP_FILTER
 
           See Documentation/prctl/seccomp_filter.txt for details.
 
+config HAVE_RCU_USER_QS
+        bool
+        help
+          Provide kernel entry/exit hooks necessary for userspace
+          RCU extended quiescent state. Syscalls need to be wrapped inside
+          rcu_user_exit()-rcu_user_enter() through the slow path using
+          TIF_NOHZ flag. Exceptions handlers must be wrapped as well. Irqs
+          are already protected inside rcu_irq_enter/rcu_irq_exit() but
+          preemption or signal handling on irq exit still need to be protected.
+
+config HAVE_VIRT_CPU_ACCOUNTING
+        bool
+
+config HAVE_IRQ_TIME_ACCOUNTING
+        bool
+        help
+          Archs need to ensure they use a high enough resolution clock to
+          support irq time accounting and then call enable_sched_clock_irqtime().
+
 source "kernel/gcov/Kconfig"