[PATCH v4 19/25] x86: mtrr: Update MTRRs on all CPUs

[Bin Meng]

On Wed, Jul 8, 2020 at 9:37 AM Simon Glass <sjg at chromium.org> wrote:
>
> When the boot CPU MTRRs are updated, perform the same update on all other
> CPUs so they are kept in sync.
>
> This avoids kernel warnings about mismatched MTRRs.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Wolfgang Wallner <wolfgang.wallner at br-automation.com>
> ---
>
> (no changes since v2)
>
> Changes in v2:
> - Rename function to mtrr_write_all()
>
>  arch/x86/cpu/mtrr.c | 57 +++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 57 insertions(+)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>