kernelversion:
stable - 6.5.12
mainline - 4.19.299
mainline - 5.4.261
mainline - 6.1.63
mainline - 5.10.201
mainline - 5.15.139
mainline - 6.6.2
mainline - 4.14.330
mainline - 6.7-rc2
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architecture:
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sparc
ia64
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nds32
m68k
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CONFIG_NULL_CHAN is not available for the default architecture x86.
Result is shown for architecture um
null channel support
modulename: null.ko
configname: CONFIG_NULL_CHAN
Linux Kernel Configuration
└─> UML Character Devices
└─> null channel support
In linux kernel since version 2.6.12
This option enables support for attaching UML consoles and serial
lines to a device similar to /dev/null. Data written to it disappears
and there is never any data to be read.
source code:
arch/um/drivers/null.c
lines to a device similar to /dev/null. Data written to it disappears
and there is never any data to be read.