Messages in this thread | | | Subject | Re: [PATCH RFC] x86: avoid atomic operation in test_and_set_bit_lock if possible | From | Eric Dumazet <> | Date | Fri, 25 Mar 2011 06:47:20 +0100 |
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Le vendredi 25 mars 2011 à 00:56 +0100, Andi Kleen a écrit : > > never EVER seen any good explanation of why that particular sh*t > > argument would b true. It seems to be purely about politics, where > > some idiotic vendor (namely HP) has convinced Intel that they really > > need it. To the point where some engineers seem to have bought into > > the whole thing and actually believe that fairy tale ("firmware can do > > better" - hah! They must be feeding people some bad drugs at the > > cafeteria) > > For the record I don't think it's a good idea for the BIOS to do > this (and I'm not aware of any engineer who does), > but I think Linux should do better than just disabling PMU use when > this happens. > > However I suspect taking over SCI would cause endless problems > and is very likely not a good idea.
I tried many different changes in BIOS and all failed (the machine is damn slow at boot, this takes age).
I am stuck :(
Thanks
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