Commit e4adca27 authored by Sukadev Bhattiprolu's avatar Sukadev Bhattiprolu Committed by Linus Torvalds
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Add DEVPTS_MULTIPLE_INSTANCES config token 



Signed-off-by: default avatarSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 53af8ee4

drivers/char/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -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