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authorRusty Russell <rusty@rustcorp.com.au>2014-04-28 11:34:33 +0930
committerRusty Russell <rusty@rustcorp.com.au>2014-04-28 11:48:34 +0930
commit51e158c12aca3c9ac63988611a97c05109b14dc9 (patch)
tree579ef4259a17200a77ec111c6a6ca082d43a368d /Documentation/rt-mutex-design.txt
parent2ee41e62ba5b952e9d9fcba6f7079a0c608bb849 (diff)
param: hand arguments after -- straight to init
The kernel passes any args it doesn't need through to init, except it assumes anything containing '.' belongs to the kernel (for a module). This change means all users can clearly distinguish which arguments are for init. For example, the kernel uses debug ("dee-bug") to mean log everything to the console, where systemd uses the debug from the Scandinavian "day-boog" meaning "fail to boot". If a future versions uses argv[] instead of reading /proc/cmdline, this confusion will be avoided. eg: test 'FOO="this is --foo"' -- 'systemd.debug="true true true"' Gives: argv[0] = '/debug-init' argv[1] = 'test' argv[2] = 'systemd.debug=true true true' envp[0] = 'HOME=/' envp[1] = 'TERM=linux' envp[2] = 'FOO=this is --foo' Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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