[PATCH v6 19/25] x86: mtrr: Update MTRRs on all CPUs
bmeng.cn at gmail.com
Mon Jul 20 03:27:40 CEST 2020
On Fri, Jul 17, 2020 at 10:49 PM 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>
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