From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: torvalds@osdl.org, linux-serial@vger.kernel.org
Subject: [PATCH 12/75] Add DEVPTS_MULTIPLE_INSTANCES config token
Date: Fri, 02 Jan 2009 13:41:54 +0000 [thread overview]
Message-ID: <20090102134152.13472.85810.stgit@localhost.localdomain> (raw)
In-Reply-To: <20090102133822.13472.53912.stgit@localhost.localdomain>
From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Alan Cox <alan@redhat.com>
---
drivers/char/Kconfig | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index c602b54..c52a167 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
next prev parent reply other threads:[~2009-01-02 13:41 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-02 13:40 [PATCH 00/75] TTY updates for 2.6.29-rc Alan Cox
2009-01-02 13:40 ` [PATCH 01/75] Blackfin Serial Driver: updates kgdb over Blackfin serial driver with kgdb framework Alan Cox
2009-01-02 13:40 ` [PATCH 02/75] Blackfin Serial Driver: fix bug - SIR driver stop receiving randomly Alan Cox
2009-01-02 13:40 ` [PATCH 03/75] Blackfin Serial Driver: Clean serial console and early prink code Alan Cox
2009-01-02 13:40 ` [PATCH 04/75] Blackfin Serial Driver: Fix bug - BF527-EZKIT unable to receive large files over UART in DMA mode Alan Cox
2009-01-02 13:40 ` [PATCH 05/75] Blackfin Serial Driver: Remove BI status for known_good_char Alan Cox
2009-01-02 13:40 ` [PATCH 06/75] n_tty: Fix loss of echoed characters and remove bkl from n_tty Alan Cox
2009-01-02 13:41 ` [PATCH 07/75] n_tty: clean up coding style Alan Cox
2009-01-02 13:41 ` [PATCH 08/75] Remove devpts_root global Alan Cox
2009-01-02 13:41 ` [PATCH 09/75] Per-mount allocated_ptys Alan Cox
2009-01-02 19:47 ` Michał Mirosław
2009-01-02 13:41 ` [PATCH 10/75] Per-mount 'config' object Alan Cox
2009-01-02 13:41 ` [PATCH 11/75] Extract option parsing to new function Alan Cox
2009-01-02 13:41 ` Alan Cox [this message]
2009-01-02 13:42 ` [PATCH 13/75] Define mknod_ptmx() Alan Cox
2009-01-02 13:42 ` [PATCH 14/75] Define get_init_pts_sb() Alan Cox
2009-01-02 13:42 ` [PATCH 15/75] Enable multiple instances of devpts Alan Cox
2009-01-02 13:42 ` [PATCH 16/75] Document usage of multiple-instances " Alan Cox
2009-01-02 13:42 ` [PATCH 17/75] devpts: Coding style clean up Alan Cox
2009-01-02 13:42 ` [PATCH 18/75] sierra: Fix formatting Alan Cox
2009-01-02 13:43 ` [PATCH 19/75] tty: Fix sparse static warning for tty_driver_lookup_tty Alan Cox
2009-01-02 13:43 ` [PATCH 20/75] pty: simplify resize Alan Cox
2009-01-02 13:43 ` [PATCH 21/75] n_tty: Fix handling of control characters and continuations Alan Cox
2009-01-02 13:43 ` [PATCH 22/75] n_tty: Fix hanfling of buffer full corner cases Alan Cox
2009-01-02 13:43 ` [PATCH 23/75] n_tty: Output bells immediately on a full buffer Alan Cox
2009-01-02 13:44 ` [PATCH 24/75] tty: Fix close races in USB serial Alan Cox
2009-01-02 13:44 ` [PATCH 25/75] devpts: fix unused function warning Alan Cox
2009-01-02 13:44 ` [PATCH 26/75] Convert the oxsemi tornado special cases to use the quirk interface and not Alan Cox
2009-01-02 13:44 ` [PATCH 27/75] And here's a patch (to be applied on top of the last) which prevents Alan Cox
2009-01-02 13:44 ` [PATCH 28/75] Add device function for USB serial console Alan Cox
2009-01-02 13:44 ` [PATCH 29/75] CRED: Wrap task credential accesses in the devpts filesystem Alan Cox
2009-01-02 13:44 ` [PATCH 30/75] tty: Fix PPP hang under load Alan Cox
2009-01-02 13:45 ` [PATCH 31/75] tty_port: Add a port level carrier detect operation Alan Cox
2009-01-02 13:45 ` [PATCH 32/75] rio: Kill off ckmalloc Alan Cox
2009-01-02 13:45 ` [PATCH 33/75] tty: Pull the dtr raise into tty port Alan Cox
2009-01-02 13:45 ` [PATCH 34/75] isicom: redo locking to use tty port locks Alan Cox
2009-01-02 13:45 ` [PATCH 35/75] tty: relock generic_serial Alan Cox
2009-01-02 13:45 ` [PATCH 36/75] tty: rocketport uses different port flags to everyone else Alan Cox
2009-01-02 13:45 ` [PATCH 37/75] tty: relock riscom8 using port locks Alan Cox
2009-01-02 13:45 ` [PATCH 38/75] tty: relock the mxser driver Alan Cox
2009-01-02 13:46 ` [PATCH 39/75] tty: Introduce a tty_port generic block_til_ready Alan Cox
2009-01-02 13:46 ` [PATCH 40/75] tty: Rework istallion to use the tty port changes Alan Cox
2009-01-02 13:46 ` [PATCH 41/75] tty: rework stallion to use the tty_port bits Alan Cox
2009-01-02 13:46 ` [PATCH 42/75] tty: ESP has been broken for locking etc forver Alan Cox
2009-01-02 13:46 ` [PATCH 43/75] tty: tty port zero baud open Alan Cox
2009-01-02 13:46 ` [PATCH 44/75] tty: Introduce some close helpers for ports Alan Cox
2009-01-02 13:46 ` [PATCH 45/75] serial: set correct baud_base for Oxford Semiconductor Ltd EXSYS EX-41092 Dual 16950 Serial adapter Alan Cox
2009-01-02 13:47 ` [PATCH 46/75] tty: USB tty devices can block in tcdrain when unplugged Alan Cox
2009-01-02 13:47 ` [PATCH 47/75] tty: N_TTY SIGIO only works for read Alan Cox
2009-01-02 13:47 ` [PATCH 48/75] tty: PTYs set TTY_DO_WRITE_WAKEUP when they don't need to Alan Cox
2009-01-02 13:47 ` [PATCH 49/75] tty: Remove some pointless casts Alan Cox
2009-01-02 13:47 ` [PATCH 50/75] tty: kref nozomi Alan Cox
2009-01-02 13:47 ` [PATCH 51/75] hso: net driver using tty without locking Alan Cox
2009-01-02 13:47 ` [PATCH 52/75] tty: Fix the HSO termios handling a bit Alan Cox
2009-01-02 13:47 ` [PATCH 53/75] tty: Modem functions for the HSO driver Alan Cox
2009-01-02 13:47 ` [PATCH 54/75] tty: relock epca Alan Cox
2009-01-02 13:48 ` [PATCH 55/75] tty: refcount the epca driver Alan Cox
2009-01-02 13:48 ` [PATCH 56/75] tty: Make epca use the port helpers Alan Cox
2009-01-02 13:48 ` [PATCH 57/75] tty: Redo the rocket driver locking Alan Cox
2009-01-02 13:48 ` [PATCH 58/75] tty: make rocketport use standard port->flags Alan Cox
2009-01-02 13:48 ` [PATCH 59/75] tty: kref the rocket driver Alan Cox
2009-01-02 13:48 ` [PATCH 60/75] tty: use port methods for " Alan Cox
2009-01-02 13:48 ` [PATCH 61/75] synclink_cs: Convert to tty_port Alan Cox
2009-01-02 13:48 ` [PATCH 62/75] tty: Drop the lock_kernel in the private ioctl hook Alan Cox
2009-01-02 13:49 ` [PATCH 63/75] serial: RS485 ioctl structure uses __u32 include linux/types.h Alan Cox
2009-01-02 13:49 ` [PATCH 64/75] __FUNCTION__ is gcc-specific, use __func__ Alan Cox
2009-01-02 13:49 ` [PATCH 65/75] tty: We want the port object to be persistent Alan Cox
2009-01-02 13:49 ` [PATCH 66/75] fix for tty-serial-move-port Alan Cox
2009-01-02 13:49 ` [PATCH 67/75] 8250: Don't clobber spinlocks Alan Cox
2009-01-02 13:49 ` [PATCH 68/75] 8250: Serial driver changes to support future Cavium OCTEON serial patches Alan Cox
2009-01-02 13:49 ` [PATCH 69/75] Serial: Allow port type to be specified when calling serial8250_register_port Alan Cox
2009-01-02 13:50 ` [PATCH 70/75] Serial: UART driver changes for Cavium OCTEON Alan Cox
2009-01-02 13:50 ` [PATCH 71/75] drivers/char/cyclades.c: cy_pci_probe: fix error path Alan Cox
2009-01-02 13:50 ` [PATCH 72/75] tty: Fix an ircomm warning and note another bug Alan Cox
2009-01-05 17:42 ` Wolfram Sang
2009-01-05 18:01 ` Alan Cox
2009-01-02 13:50 ` [PATCH 73/75] hso modem detect fix patch against Alan Cox'es tty tree Alan Cox
2009-01-02 13:50 ` [PATCH 74/75] hso maintainers update patch Alan Cox
2009-01-02 13:50 ` [PATCH 75/75] serial_8250: support for Sealevel Systems Model 7803 COMM+8 Alan Cox
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