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authorSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>2009-01-02 13:41:54 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 10:19:35 -0800
commite4adca27bcbb8a73c4cf1dfa71392654cfa33345 (patch)
tree7dc3963660c7cc0ff985457b3f01b5aec16ce1a0 /drivers/char/Kconfig
parent53af8ee4094d80ddaac7efefb572b1c22ae49367 (diff)
downloadlinux-e4adca27bcbb8a73c4cf1dfa71392654cfa33345.tar.gz
Add DEVPTS_MULTIPLE_INSTANCES config token
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/Kconfig')
-rw-r--r--drivers/char/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index c602b547cc6..c52a167227e 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