[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: [PATCH 0/2] x86/microcode: support for microcode update in Xen dom0
On Wed, Feb 02, 2011 at 11:52:22AM -0800, H. Peter Anvin wrote: > 3. Arguably on native hardware we should still load the microcode into > RAM in the boot loader, and install it on the very early CPU bringup > path. That means locking down some (currently) 400K of RAM to handle > different combinations of CPUs, or the additional complexity of > jettisoning microcode which cannot be used while still be able to deal > with hotplug. I think there is a strong case for this model, which > would mean moving the microcode into /boot anyway. /me like it, sounds very nifty. So how do we want to do that, we add a field to the real-mode kernel header that tells us where to find the microcode image and we take it and apply the ucode somewhere in do_boot_cpu() path? -- Regards/Gruss, Boris. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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