From: Sukadev Bhattiprolu Date: Fri, 2 Jan 2009 13:41:54 +0000 (+0000) Subject: Add DEVPTS_MULTIPLE_INSTANCES config token X-Git-Tag: firefly_0821_release~16445^2~63 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e4adca27bcbb8a73c4cf1dfa71392654cfa33345;p=firefly-linux-kernel-4.4.55.git Add DEVPTS_MULTIPLE_INSTANCES config token Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index c602b547cc6e..c52a167227e7 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