The microcode_ctl utility is a companion to the Linux IA32 microcode driver present in recent kernels (2.2.18+ / 2.4.x / 2.6.x). It decodes and sends new microcode to the kernel driver to be uploaded to Intel IA32 family processors.
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The microcode data file has been updated again. A stack of cleanups and fixes from Tigran have been pulled in, including support for the x86_64 architecture in 2.6.x.
