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authorClark Williams <williams@redhat.com>2011-07-30 21:55:53 -0500
committerClark Williams <williams@redhat.com>2012-02-15 10:33:02 -0600
commit0684414d4ca3bcee9f44a24df2f839c1aa6c0f97 (patch)
treebc309900cf1b596739962a3f2488b4756e995402 /arch
parent2ca20219dd35e770e4dff7dd657ddf3dd13d7c9c (diff)
add /sys/kernel/realtime entry
Add a /sys/kernel entry to indicate that the kernel is a realtime kernel. Clark says that he needs this for udev rules, udev needs to evaluate if its a PREEMPT_RT kernel a few thousand times and parsing uname output is too slow or so. Are there better solutions? Should it exist and return 0 on !-rt? Signed-off-by: Clark Williams <williams@redhat.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Diffstat (limited to 'arch')
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