[PATCH v6 00/25] x86: Enhance MTRR functionality to support multiple CPUs

Bin Meng bmeng.cn at gmail.com
Mon Jul 20 03:46:02 CEST 2020

On Fri, Jul 17, 2020 at 10:48 PM Simon Glass <sjg at chromium.org> wrote:
> At present MTRRs are mirrored to the secondary CPUs only once, as those
> CPUs are started up. But U-Boot may add more MTRRs later, e.g. if it
> decides that a video console must be set up.
> This series enhances the x86 multi-processor support to allow MTRRs to
> be updated at any time. It also updates the 'mtrr' command to support
> setting the MTRRs on CPUs other than the boot CPU.
> Changes in v6:
> - Rebase to x86/master
> Changes in v5:
> - Drop timing in mp_park_aps()

series applied to u-boot-x86, thanks!

More information about the U-Boot mailing list