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Date: Sat, 18 Aug 2012 01:15:29 -0700 From: "Fenghua Yu" <fenghua.yu@...el.com> To: "H Peter Anvin" <hpa@...or.com>, "Ingo Molnar" <mingo@...e.hu>, "Thomas Gleixner" <tglx@...utronix.de>, "Asit K Mallick" <asit.k.mallick@...el.com>, "Tigran Aivazian" <tigran@...azian.fsnet.co.uk>, "Andreas Herrmann" <andreas.herrmann3@....com>, "Borislav Petkov" <borislav.petkov@....com>, "linux-kernel" <linux-kernel@...r.kernel.org>, "x86" <x86@...nel.org> Cc: "Fenghua Yu" <fenghua.yu@...el.com> Subject: [PATCH 11/11] x86/Kconfig: Configurations to enable/disable the feature From: Fenghua Yu <fenghua.yu@...el.com> MICROCODE_INTEL_LIB, MICROCODE_INTEL_EARLY, and MICROCODE_EARLY are three new configurations to enable or disable the feature. Signed-off-by: Fenghua Yu <fenghua.yu@...el.com> --- arch/x86/Kconfig | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 50c660d..32caa77 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1035,6 +1035,7 @@ config MICROCODE_INTEL depends on MICROCODE default MICROCODE select FW_LOADER + select MICROCODE_INTEL_LIB ---help--- This options enables microcode patch loading support for Intel processors. @@ -1055,6 +1056,27 @@ config MICROCODE_OLD_INTERFACE def_bool y depends on MICROCODE +config MICROCODE_EARLY + def_bool y + depends on MICROCODE_INTEL_EARLY + +config MICROCODE_INTEL_LIB + def_bool y + depends on MICROCODE_INTEL_EARLY + +config MICROCODE_INTEL_EARLY + bool "Early load microcode" + depends on MICROCODE_INTEL && BLK_DEV_INITRD + default y + select FW_LOADER + select MICROCODE_EARLY + select MICROCODE_INTEL_LIB + help + This option provides functionality to read additional microcode data + at the beginning of initrd image. The data tells kernel to load + microcode to CPU's as early as possible. No functional change if no + microcode data is glued to the initrd, therefore it's safe to say Y. + config X86_MSR tristate "/dev/cpu/*/msr - Model-specific register support" ---help--- -- 1.7.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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