Messages in this thread | | | Date | Thu, 04 Jul 2013 18:21:49 +0800 | From | Alex Shi <> | Subject | Re: [PATCH 1/3] clocksource: clean up clocksource_select |
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> We need this check and it is completely unrelated to the problem > you're trying to solve. > > Assume the following: > > System boots with clocksource A and switches into highres mode. > Now clocksource B gets registered and B is not highres capable. > > clocksource_find_best() selects again A, but we have > clocksource=B on the kernel command line to override the kernel > decision. > > By removing the check, you install he non highres capable clocksource > B and kill the machine. >
You'r right. my bad, Sorry!
BTW, why we allow user override a second best clocksource? I mean user can override the tsc with hpet. because undetected unstable tsc?
-- Thanks Alex
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