[PATCH 5/9] Add DEVPTS_MULTIPLE_INSTANCES config token
Sukadev Bhattiprolu
sukadev at linux.vnet.ibm.com
Fri Oct 10 07:54:42 PDT 2008
Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
Acked-by: Serge Hallyn <serue at us.ibm.com>
---
drivers/char/Kconfig | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 700ff96..0d3ea89 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -443,6 +443,17 @@ config UNIX98_PTYS
All modern Linux systems use the Unix98 ptys. Say Y unless
you're on an embedded system and want to conserve memory.
+config DEVPTS_MULTIPLE_INSTANCES
+ bool "Support multiple instances of devpts"
+ depends on UNIX98_PTYS
+ default n
+ ---help---
+ Enable support for multiple instances of devpts filesystem.
+ If you want to have isolated PTY namespaces (eg: in containers),
+ say Y here. Otherwise, say N. If enabled, each mount of devpts
+ filesystem with the '-o newinstance' option will create an
+ independent PTY namespace.
+
config LEGACY_PTYS
bool "Legacy (BSD) PTY support"
default y
--
1.5.2.5
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