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authorFeng Tang <feng.tang@intel.com>2011-03-22 16:34:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 17:44:12 -0700
commitfe3d8ad31cf51b062bbb8a9609eeb1d0c41a7f30 (patch)
treef0e0f85582a695d0da7bae97897835ee51a0ab09 /kernel/module.c
parent7bf693951a8e5f7e600a45b74d91d962a453146e (diff)
downloadlinux-fe3d8ad31cf51b062bbb8a9609eeb1d0c41a7f30.tar.bz2
console: prevent registered consoles from dumping old kernel message over again
For a platform with many consoles like: "console=tty1 console=ttyMFD2 console=ttyS0 earlyprintk=mrst" Each time when the non "selected_console" (tty1 and ttyMFD2 here) get registered, the existing kernel message will be printed out on registered consoles again, the "mrst" early console will get some same message for 3 times, and "tty1" will get some for twice. As suggested by Andrew Morton, every time a new console is registered, it will be set as the "exclusive" console which will dump the already existing kernel messages. Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: Greg KH <gregkh@suse.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/module.c')
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