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| author | Kay Sievers <kay.sievers@vrfy.org> | 2010-12-01 18:51:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-16 16:15:34 -0800 |
| commit | fbc92a3455577ab17615cbcb91826399061bd789 (patch) | |
| tree | 0f47703d9d3b40969e007a6d27a1b603cdff43da /block | |
| parent | 35c64e5d13c3d7d8c4ad061ad5e20498b9160c24 (diff) | |
| download | linux-fbc92a3455577ab17615cbcb91826399061bd789.tar.gz linux-fbc92a3455577ab17615cbcb91826399061bd789.tar.xz | |
tty: add 'active' sysfs attribute to tty0 and console device
tty: add 'active' sysfs attribute to tty0 and console device
Userspace can query the actual virtual console, and the configured
console devices behind /dev/tt0 and /dev/console.
The last entry in the list of devices is the active device, analog
to the console= kernel command line option.
The attribute supports poll(), which is raised when the virtual
console is changed or /dev/console is reconfigured.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
index 0000000..b138b66
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