Re: [PATCH] perf/x86: check ucode before disabling PEBS onSandyBridge

[Borislav Petkov]

On Tue, Jun 12, 2012 at 09:33:34PM +0200, Peter Zijlstra wrote:
> On Tue, 2012-06-12 at 21:07 +0200, Borislav Petkov wrote:
> > Nice, this is the initrd cpio thing, cool, no changes needed for the
> > bootloader. Ping me when you have something ready so that I can start
> > testing it here too. 
> 
> What do people like me do that don't use initrd like nonsense?

I haven't seen the code yet but I'd assume you could add only the ucode
as an initrd image to the bootloader using "initrd... ". Then you'd only
need to be able to load initrds.

Also, I'd assume we need some of the current functionality to be able to
load ucode without rebooting the box.

But why, do you see a better option for how to tell the kernel to load a
binary blob early at boot?

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Boris.

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