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| author | Allan Graves <allan.graves@gmail.com> | 2007-02-28 20:13:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-01 14:53:38 -0800 |
| commit | cf2775f175128fc9fd7ffb88981e068d27bc85db (patch) | |
| tree | 559429e98ec7acbdb1fe4d43beb1f0f119b4c62d /arch/um/Kconfig.char | |
| parent | 77904fd64eb9131c337dd068e4196d25c2f9de7e (diff) | |
| download | kernel-common-cf2775f175128fc9fd7ffb88981e068d27bc85db.tar.gz kernel-common-cf2775f175128fc9fd7ffb88981e068d27bc85db.tar.bz2 kernel-common-cf2775f175128fc9fd7ffb88981e068d27bc85db.zip | |
[PATCH] uml: enable RAW
Add the RAW device driver options to the UML Kconfig.char file so that you may
use them in UML.
Signed-off-by: Allan Graves<allan.graves@gmail.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/Kconfig.char')
| -rw-r--r-- | arch/um/Kconfig.char | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char index e03e40c7aac3..a5b079d5e865 100644 --- a/arch/um/Kconfig.char +++ b/arch/um/Kconfig.char @@ -146,6 +146,25 @@ config LEGACY_PTYS security. This option enables these legacy devices; on most systems, it is safe to say N. +config RAW_DRIVER + tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)" + help + The raw driver permits block devices to be bound to /dev/raw/rawN. + Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O. + See the raw(8) manpage for more details. + + The raw driver is deprecated and will be removed soon. + Applications should simply open the device (eg /dev/hda1) + with the O_DIRECT flag. + +config MAX_RAW_DEVS + int "Maximum number of RAW devices to support (1-8192)" + depends on RAW_DRIVER + default "256" + help + The maximum number of RAW devices that are supported. + Default is 256. Increase this number in case you need lots of + raw devices. config LEGACY_PTY_COUNT int "Maximum number of legacy PTY in use" |