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authorThomas Renninger <trenn@suse.de>2011-07-21 11:54:54 +0200
committerDominik Brodowski <linux@dominikbrodowski.net>2011-07-29 19:37:27 +0200
commit029e9f73667f9b4661ac9886f706d75d26850260 (patch)
tree4dd812e1de53d07695ce9b889482b032471a6889 /MAINTAINERS
parent8fb2e440b223b966f74a04a48f6f71f288fa671b (diff)
downloadvexpress-lsk-029e9f73667f9b4661ac9886f706d75d26850260.tar.gz
cpupower: Do detect IDA (opportunistic processor performance) via cpuid
IA32-Intel Devel guide Volume 3A - 14.3.2.1 ------------------------------------------- ... Opportunistic processor performance operation can be disabled by setting bit 38 of IA32_MISC_ENABLES. This mechanism is intended for BIOS only. If IA32_MISC_ENABLES[38] is set, CPUID.06H:EAX[1] will return 0. Better detect things via cpuid, this cleans up the code a bit and the MSR parts were not working correctly anyway. Signed-off-by: Thomas Renninger <trenn@suse.de> CC: lenb@kernel.org CC: linux@dominikbrodowski.net CC: cpufreq@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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