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/linux/tools/power/cpupower/utils/helpers/ |
H A D | msr.c | diff 029e9f73667f9b4661ac9886f706d75d26850260 Thu Jul 21 11:54:54 CEST 2011 Thomas Renninger <trenn@suse.de> 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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H A D | cpuid.c | diff 029e9f73667f9b4661ac9886f706d75d26850260 Thu Jul 21 11:54:54 CEST 2011 Thomas Renninger <trenn@suse.de> 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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H A D | misc.c | diff 029e9f73667f9b4661ac9886f706d75d26850260 Thu Jul 21 11:54:54 CEST 2011 Thomas Renninger <trenn@suse.de> 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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H A D | helpers.h | diff 029e9f73667f9b4661ac9886f706d75d26850260 Thu Jul 21 11:54:54 CEST 2011 Thomas Renninger <trenn@suse.de> 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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