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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-05-07 09:43:57 +0000 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-05-07 09:43:57 +0000 |
| commit | 8c750837ad114000d0751e8410357ba32f481661 (patch) | |
| tree | 34165d7c65a1f366e51918b0338ba80a4ab7037e | |
| parent | ae5f05ef2049b9761519e5c6843c4657871996c1 (diff) | |
| download | xen-8c750837ad114000d0751e8410357ba32f481661.tar.gz xen-8c750837ad114000d0751e8410357ba32f481661.tar.bz2 xen-8c750837ad114000d0751e8410357ba32f481661.zip | |
bitkeeper revision 1.1159.258.113 (427c8dddgGYSerAwRWcC_vwqkNujiQ)
Add legacy pty support to domu config.
Signed-off-by: Keir Fraser <keir@xensource.com>
| -rw-r--r-- | linux-2.6.11-xen-sparse/arch/xen/Kconfig.drivers | 37 | ||||
| -rw-r--r-- | linux-2.6.11-xen-sparse/arch/xen/configs/xenU_defconfig | 6 |
2 files changed, 43 insertions, 0 deletions
diff --git a/linux-2.6.11-xen-sparse/arch/xen/Kconfig.drivers b/linux-2.6.11-xen-sparse/arch/xen/Kconfig.drivers index 8158f26fd0..cb30533783 100644 --- a/linux-2.6.11-xen-sparse/arch/xen/Kconfig.drivers +++ b/linux-2.6.11-xen-sparse/arch/xen/Kconfig.drivers @@ -49,9 +49,46 @@ source "drivers/infiniband/Kconfig" endif if !XEN_PHYSDEV_ACCESS + +menu "Character devices" + config UNIX98_PTYS bool default y + +config LEGACY_PTYS + bool "Legacy (BSD) PTY support" + default y + ---help--- + A pseudo terminal (PTY) is a software device consisting of two + halves: a master and a slave. The slave device behaves identical to + a physical terminal; the master device is used by a process to + read data from and write data to the slave, thereby emulating a + terminal. Typical programs for the master side are telnet servers + and xterms. + + Linux has traditionally used the BSD-like names /dev/ptyxx + for masters and /dev/ttyxx for slaves of pseudo + terminals. This scheme has a number of problems, including + security. This option enables these legacy devices; on most + systems, it is safe to say N. + + +config LEGACY_PTY_COUNT + int "Maximum number of legacy PTY in use" + depends on LEGACY_PTYS + range 1 256 + default "256" + ---help--- + The maximum number of legacy PTYs that can be used at any one time. + The default is 256, and should be more than enough. Embedded + systems may want to reduce this to save memory. + + When not in use, each legacy PTY occupies 12 bytes on 32-bit + architectures and 24 bytes on 64-bit architectures. + +endmenu + endif endmenu diff --git a/linux-2.6.11-xen-sparse/arch/xen/configs/xenU_defconfig b/linux-2.6.11-xen-sparse/arch/xen/configs/xenU_defconfig index 3279d25fb9..37fce4937e 100644 --- a/linux-2.6.11-xen-sparse/arch/xen/configs/xenU_defconfig +++ b/linux-2.6.11-xen-sparse/arch/xen/configs/xenU_defconfig @@ -331,6 +331,12 @@ CONFIG_NETDEVICES=y # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# Character devices +# # # File systems |