author: Linus Torvalds <torvalds@linux-foundation.org> 2021-02-22 17:15:30 -0800
committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-02-22 17:15:30 -0800
commit: 4b5f9254e4f4375ac845cb17f1732037dd8adeeb
parent: 7b0b78df9cca7344960decf3a16805e8378a43b7
Commit Summary:
Diffstat:
1 file changed, 10 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 096e1af5c586..47a3d6502fbd 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1193,6 +1193,7 @@ endif # NAMESPACES
config CHECKPOINT_RESTORE
bool "Checkpoint/restore support"
select PROC_CHILDREN
+ select KCMP
default n
help
Enables additional kernel features in a sake of checkpoint/restore.
@@ -1736,6 +1737,16 @@ config ARCH_HAS_MEMBARRIER_CALLBACKS
config ARCH_HAS_MEMBARRIER_SYNC_CORE
bool
+config KCMP
+ bool "Enable kcmp() system call" if EXPERT
+ help
+ Enable the kernel resource comparison system call. It provides
+ user-space with the ability to compare two processes to see if they
+ share a common resource, such as a file descriptor or even virtual
+ memory space.
+
+ If unsure, say N.
+
config RSEQ
bool "Enable rseq() system call" if EXPERT
default y